Document And Entity Information - shares |
6 Months Ended | |
|---|---|---|
Jun. 30, 2017 |
Jul. 21, 2017 |
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| Document And Entity Information [Abstract] | ||
| Entity Registrant Name | GENTEX CORPORATION | |
| Entity Central Index Key | 0000355811 | |
| Current Fiscal Year End Date | --12-31 | |
| Entity Filer Category | Large Accelerated Filer | |
| Document Type | 10-Q | |
| Document Period End Date | Jun. 30, 2017 | |
| Document Fiscal Year Focus | 2017 | |
| Document Fiscal Period Focus | Q2 | |
| Amendment Flag | false | |
| Trading Symbol | gntx | |
| Entity Common Stock, Shares Outstanding | 285,549,444 |
| X | ||||||||||
- Definition If the value is true, then the document is an amendment to previously-filed/accepted document. No definition available.
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| X | ||||||||||
- Definition End date of current fiscal year in the format --MM-DD. No definition available.
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- Definition This is focus fiscal period of the document report. For a first quarter 2006 quarterly report, which may also provide financial information from prior periods, the first fiscal quarter should be given as the fiscal period focus. Values: FY, Q1, Q2, Q3, Q4, H1, H2, M9, T1, T2, T3, M8, CY. No definition available.
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| X | ||||||||||
- Definition This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006. No definition available.
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| X | ||||||||||
- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. No definition available.
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| X | ||||||||||
- Definition The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word "Other". No definition available.
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| X | ||||||||||
- Definition A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument. No definition available.
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| X | ||||||||||
- Definition Indicate whether the registrant is one of the following: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, (4) Smaller Reporting Company (Non-accelerated) or (5) Smaller Reporting Accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure. No definition available.
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- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Trading symbol of an instrument as listed on an exchange. No definition available.
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- Definition Document and Entity Information [Abstract] No definition available.
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Unaudited Condensed Consolidated Balance Sheets - USD ($) |
Jun. 30, 2017 |
Dec. 31, 2016 |
[1] | ||
|---|---|---|---|---|---|
| CURRENT ASSETS | |||||
| Cash and cash equivalents | $ 580,579,352 | $ 546,477,075 | |||
| Short-term investments | 184,553,242 | 177,021,197 | |||
| Accounts receivable, net | 229,250,339 | 211,591,745 | |||
| Inventories | 196,540,222 | 189,311,437 | |||
| Prepaid expenses and other | 13,775,396 | 30,587,575 | |||
| Total current assets | 1,204,698,551 | 1,154,989,029 | |||
| PLANT AND EQUIPMENT—NET | 482,588,291 | 465,822,467 | |||
| OTHER ASSETS | |||||
| Goodwill | 307,365,845 | 307,365,845 | |||
| Long-term investments | 49,260,381 | 49,894,363 | |||
| Intangible Assets, net | 298,625,000 | 308,275,000 | |||
| Patents and other assets, net | 21,555,728 | 23,273,129 | |||
| Total other assets | 676,806,954 | 688,808,337 | |||
| Total assets | 2,364,093,796 | 2,309,619,833 | |||
| CURRENT LIABILITIES | |||||
| Accounts payable | 82,920,929 | 79,963,630 | |||
| Accrued liabilities and current portion of long-term debt | 188,219,588 | 69,894,349 | |||
| Total current liabilities | 271,140,517 | 149,857,979 | |||
| LONG TERM DEBT | 9,375,000 | 178,125,000 | |||
| DEFERRED INCOME TAXES | 79,641,856 | 71,212,620 | |||
| TOTAL LIABILITIES | 360,157,373 | 399,195,599 | |||
| SHAREHOLDERS’ INVESTMENT | |||||
| Common stock | 17,172,517 | 17,264,251 | |||
| Additional paid-in capital | 706,680,885 | 683,446,463 | |||
| Retained earnings | 1,276,901,865 | 1,210,984,825 | |||
| Accumulated other comprehensive income | 3,181,156 | (1,271,305) | |||
| Total shareholders’ investment | 2,003,936,423 | 1,910,424,234 | |||
| Total liabilities and shareholders’ investment | $ 2,364,093,796 | $ 2,309,619,833 | |||
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| X | ||||||||||
- Definition Patents and Other Assets Net No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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Unaudited Condensed Consolidated Statements of Income - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
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| Income Statement [Abstract] | ||||
| NET SALES | $ 443,139,073 | $ 423,800,778 | $ 896,674,323 | $ 829,368,564 |
| COST OF GOODS SOLD | 275,931,278 | 257,028,219 | 553,665,743 | 503,905,217 |
| Gross profit | 167,207,795 | 166,772,559 | 343,008,580 | 325,463,347 |
| OPERATING EXPENSES: | ||||
| Engineering, research and development | 25,243,410 | 23,071,788 | 50,395,667 | 46,162,997 |
| Selling, general & administrative | 16,099,871 | 14,955,050 | 32,321,279 | 29,705,639 |
| Total operating expenses | 41,343,281 | 38,026,838 | 82,716,946 | 75,868,636 |
| Income from operations | 125,864,514 | 128,745,721 | 260,291,634 | 249,594,711 |
| OTHER INCOME (LOSS) | ||||
| Investment income | 1,736,138 | 774,102 | 3,208,665 | 1,564,143 |
| Other Loss, net | 343,111 | (1,911,113) | (691,632) | (3,980,532) |
| Total Other Income (Loss) | 2,079,249 | (1,137,011) | 2,517,033 | (2,416,389) |
| Income before provision for income taxes | 127,943,763 | 127,608,710 | 262,808,667 | 247,178,322 |
| PROVISION FOR INCOME TAXES | 39,407,816 | 41,123,468 | 76,715,979 | 80,413,086 |
| NET INCOME | $ 88,535,947 | $ 86,485,242 | $ 186,092,688 | $ 166,765,236 |
| EARNINGS PER SHARE: | ||||
| Basic (in dollars per share) | $ 0.31 | $ 0.30 | $ 0.65 | $ 0.58 |
| Diluted (in dollars per share) | 0.31 | 0.30 | 0.64 | 0.57 |
| Cash Dividends Declared per Share (in dollars per share) | $ 0.10 | $ 0.09 | $ 0.19 | $ 0.175 |
| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total costs related to goods produced and sold during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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| X | ||||||||||
- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
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| Statement of Comprehensive Income [Abstract] | ||||
| Net income | $ 88,535,947 | $ 86,485,242 | $ 186,092,688 | $ 166,765,236 |
| Other comprehensive income (loss) before tax: | ||||
| Foreign currency translation adjustments | 1,495,210 | (1,753,823) | 1,683,800 | (1,428,979) |
| Unrealized gains (losses) on derivatives | 494,885 | (120,474) | 1,136,860 | (1,472,031) |
| Unrealized gains on available-for sales securities, net | 952,365 | 382,485 | 3,122,619 | 63,136 |
| Other comprehensive income (loss), before tax | 2,942,460 | (1,491,812) | 5,943,279 | (2,837,874) |
| Expense (Benefit) for income taxes related to components of other comprehensive income (loss) | 506,538 | 91,704 | 1,490,818 | (493,112) |
| Other comprehensive income (loss), net of tax | 2,435,922 | (1,583,516) | 4,452,461 | (2,344,762) |
| Comprehensive Income | $ 90,971,869 | $ 84,901,726 | $ 190,545,149 | $ 164,420,474 |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount before tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of other assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale. No definition available.
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in operating assets classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in prepaid expenses, and assets classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- References No definition available.
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash outflow to reacquire common stock during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash inflow associated with maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash inflow (outflow) from long-term debt, including capital lease obligations and mandatory redeemable capital securities. No definition available.
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Basis of Presentation |
6 Months Ended |
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Jun. 30, 2017 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Basis of Presentation | Basis of Presentation The unaudited condensed consolidated financial statements included herein have been prepared by the Company, pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States have been condensed or omitted pursuant to such rules and regulations, although the Company believes that the disclosures are adequate to make the information presented not misleading. It is suggested that these unaudited condensed consolidated financial statements be read in conjunction with the financial statements and notes thereto included in the Company's 2016 annual report on Form 10-K. In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments, consisting of only a normal and recurring nature, necessary to present fairly the financial position of the Company as of June 30, 2017, and the results of operations and cash flows for the interim periods presented. |
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- References No definition available.
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- Definition The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Adoption of New Accounting Standards |
6 Months Ended |
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Jun. 30, 2017 | |
| New Accounting Pronouncements and Changes in Accounting Principles [Abstract] | |
| Adoption of New Accounting Standards | Adoption of New Accounting Standards In May 2014, the Financial Accounting Standards Board (FASB) issued the Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers (Topic 606), that will supersede nearly all existing revenue recognition guidance under US GAAP. The core principle of the guidance is that an entity should recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods or services. The standard was originally to be effective for public entities for annual and interim periods beginning after December 15, 2016. On July 9, 2015, the FASB decided to defer by one year the effective dates of the new standard for both public and nonpublic entities reporting under US GAAP. Early adoption would be permitted for all entities, but not before the original public entity effective date (i.e. annual and interim periods beginning after December 15, 2016). The Company will adopt ASU 2014-09 in the first quarter of 2018 and apply the modified retrospective approach. Under this method, the Company will recognize the cumulative effect of initially applying the new standard as an adjustment to the opening balance of retained earnings at the date of initial application. The new revenue standard will be applied to contracts that are in progress at the date of initial application. The Company is currently evaluating the impact of this standard on its operations, consolidated financial statements and footnote disclosures. The assessment phase of this evaluation has included the identification of the key revenue streams and the comparison of historical accounting policies and practices to the requirements of the new standard by revenue stream. The implementation team has also made substantial progress in the contract review phase of this evaluation, which includes identifying the population of contracts for a deeper analysis of the potential accounting impact due to the new standard for individual contracts. As a result, the Company expects to continue recognizing revenue at a particular point in time for the majority of our contracts with customers, which is generally when products are either shipped or delivered. The new standard may also impact how the Company accounts for pre-production activities, such as customer funded tooling and engineering design and development cost recoveries. Additionally, the Company anticipates testing the new controls and processes designed to comply with the standard in 2017 to permit the Company’s adoption on January 1, 2018. In February 2016, the FASB issued ASU 2016-02, Leases, which provides guidance for lease accounting. The new guidance contained in the ASU stipulates that lessees will need to recognize a right-of-use asset and a lease liability for substantially all leases (other than leases that meet the definition of a short-term lease). The liability will be equal to the present value of lease payments. Treatment in the consolidated statements of earnings will be similar to the current treatment of operating and capital leases. The new guidance is effective on a modified retrospective basis for the Company in the first quarter of its fiscal year ending December 31, 2019. The Company is currently in the process of evaluating the impact of adoption of this standard on its consolidated financial statements. Upon adoption, the Company does not anticipate a material impact on the Company's Consolidated Financial Statements. In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting, which amends Accounting Standards Codification ("ASC") Topic 718, Compensation - Stock Compensation. ASU 2016-09 simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. Under previous guidance, excess tax benefits and deficiencies from stock-based compensation arrangements were recorded in equity when the awards vested or were settled. ASU 2016-09 requires prospective recognition of excess tax benefits and deficiencies in the income statement as a component of the income tax provision. In addition, under ASU 2016-09, excess income tax benefits from stock-based compensation arrangements are classified as cash flow from operations, rather than as cash flow from financing activities. ASU 2016-09 also allows for the Company to make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest or account for forfeitures when they occur. The Company will continue to apply its existing entity-wide policy to estimate the number of awards expected to be forfeited. Impact to Consolidated Statements of Income One of the more significant impacts of adopting ASU 2016-09 is the required change in how the Company recognizes the excess tax benefits or deficiencies related to share-based compensation. For example, prior to adopting ASU 2016-09 such benefits and deficiencies were credited or charged, respectively, to additional paid-in capital in the Company’s Consolidated Balance Sheets. Under ASU 2016-09, these benefits and deficiencies are recognized as a discrete tax benefit or discrete tax expense, in the Company’s Consolidated Statements of Income. For the three and six months ended June 30, 2017, the Company recognized a discrete tax benefit of $0.2 million and $2.0 million respectively, related to net tax benefits from share-based compensation. ASU 2016-09 requires companies to adopt the amendment related to accounting for benefits and deficiencies on a prospective basis only. As a result, no change has been made to the Consolidated Statements of Income for the three and six months ended June 30, 2016 related to the $0.3 million of net tax benefit and $0.1 million of net tax expense the Company recognized as additional paid-in capital during each respective period. Net tax benefit of $0.3 million and net tax expense of $0.1 million recognized as additional paid-in-capital during the three and six months ended June 30, 2016 includes gross tax benefits of $0.8 million net of $0.5 million tax expense for the three months ended June 30, 2016, and gross tax benefits of $1.0 million net of $1.1 million tax expense for the six months ended June 30, 2016. In consideration of the impact of the adoption of this standard to earnings per share, the total impact of adoption of this standard to the earnings per share calculation was less than $.01 for each of the three and six month periods ending June 30, 2017. Impact to Consolidated Statements of Cash Flows In addition to the income tax consequences described above, under ASU 2016-09 all tax benefits related to share-based payments are reported as cash flows from operating activities along with all other income tax cash flows. Previously, tax benefits from share-based payment arrangements were reported as cash flows from financing activities. With respect to the classification of tax benefits on the statement of cash flows, ASU 2016-09 allows companies to elect either a prospective or retrospective application. The Company has elected to apply this classification amendment retrospectively. As a result, the Company elected to reclassify $1.7 million of tax expense previously reported as cash flows from financing activities on the Company’s Consolidated Statement of Cash Flows for the six months ended June 30, 2016 as cash flows from operating activities. In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows, which updates the guidance as to how certain cash receipts and cash payments should be presented and classified within the statement of cash flows. The update is intended to reduce the existing diversity in practice. The amended guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017, with early adoption permitted, including adoption in an interim period. The Company is in the process of assessing the potential effect the new standard will have on its consolidated financial statements. |
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- References No definition available.
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- Definition The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Goodwill and Other Intangible Assets |
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Goodwill and Other Intangible Assets | Goodwill and Other Intangible Assets Goodwill represents the cost of an acquisition in excess of the fair values assigned to identifiable net assets acquired. The Company recorded Goodwill of $307.4 million as part of the HomeLink® acquisition. The carrying value of Goodwill as of December 31, 2016 and June 30, 2017 was $307.4 million. In addition to annual impairment testing, which is performed as of the first day of the fourth quarter, the Company continuously monitors for events and circumstances that could negatively impact the key assumptions in determining fair value thus resulting in the need for interim impairment testing, including long-term revenue growth projections, profitability, discount rates, recent market valuations from transactions by comparable companies, volatility in the Company's market capitalization, and general industry, market and macroeconomic conditions. No such events or circumstances in the most recently completed quarter indicated the need for interim impairment testing. The patents and intangible assets and related change in carrying values are set forth in the tables below: As of June 30, 2017:
As of December 31, 2016:
Amortization expense on patents and intangible assets was approximately $5.7 million and $11.3 million, respectively, during the three and six month periods ended June 30, 2017, compared to approximately $5.6 million and $11.1 million, respectively, for the same periods ended June 30, 2016. Excluding the impact of any future acquisitions, the Company continues to estimate amortization expense for each of the years ended December 31, 2017, 2018, 2019, 2020 and 2021 to be approximately $22 million annually. |
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- References No definition available.
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- Definition The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Investments |
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| Investments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investments | Investments The Company follows the provisions of ASC 820, “Fair Value Measurements and Disclosures” for its financial assets and liabilities, and for its non-financial assets and liabilities subject to fair value measurements. ASC 820 provides a framework for measuring the fair value of assets and liabilities. This framework is intended to provide increased consistency in how fair value determinations are made under various existing accounting standards that permit, or in some cases, require estimates of fair-market value. This standard also expanded financial statement disclosure requirements about a company’s use of fair-value measurements, including the effect of such measure on earnings. The cost of securities sold is based on the specific identification method. The Company’s common stocks and certain mutual funds are classified as available for sale and are stated at fair value based on quoted market prices, and as such are classified as Level 1 assets. The Company determines the fair value of its government securities, corporate bonds, and certain mutual funds by utilizing monthly valuation statements that are provided by its broker. The broker determines the investment valuation by utilizing the bid price in the market and also refers to third party sources to validate valuations, and as such are classified as Level 2 assets. The Company's certificates of deposit have remaining maturities of less than one year and are classified as available for sale, and are considered as Level 1 assets. These investments are carried at cost, which approximates fair value. Assets or liabilities that have recurring fair value measurements are shown below as of June 30, 2017, and December 31, 2016: As of June 30, 2017:
The amortized cost, unrealized gains and losses, and market value of investment securities are shown as of June 30, 2017, and December 31, 2016: As of June 30, 2017:
As of December 31, 2016:
Unrealized losses on investments as of June 30, 2017, are as follows:
Unrealized losses on investments as of December 31, 2016, are as follows:
ASC 320, “Accounting for Certain Investments in Debt and Equity Securities”, as amended, provides guidance on determining when an investment is other than temporarily impaired. The Company reviews its equity investment portfolio for any unrealized losses that would be deemed other-than-temporary and require the recognition of an impairment loss in income. If the cost of an investment exceeds its fair value, the Company evaluates, among other factors, general market conditions, the duration and extent to which the fair value is less than cost, and the Company’s intent and ability to hold the investments. Management also considers the type of security, related-industry and sector performance, as well as published investment ratings and analyst reports, to evaluate its portfolio. Once a decline in fair value is determined to be other than temporary, an impairment charge is recorded and a new cost basis in the investment is established. If market, industry, and/or investee conditions deteriorate, the Company may incur future impairments. No equity investment losses were considered to be other than temporary during the periods presented. The Company additionally has the intention and current ability to hold its debt investments until the amortized cost basis has been recovered. Fixed income securities as of June 30, 2017, have contractual maturities as follows:
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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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Inventories |
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Jun. 30, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Inventory Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Inventories | Inventories Inventories consisted of the following at the respective balance sheet dates:
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- References No definition available.
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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Earnings Per Share |
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| Earnings Per Share [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Earnings Per Share | Earnings Per Share The following table reconciles the numerators and denominators used in the calculation of basic and diluted earnings per share (EPS):
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- References No definition available.
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- Definition The entire disclosure for earnings per share. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Stock-Based Compensation Plans |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Stock-Based Compensation Plans | Stock-Based Compensation Plans As of June 30, 2017, the Company had four equity incentive plans which include two stock option plans, a restricted stock plan and an employee stock purchase plan. All plans and any prior material amendments thereto have previously been approved by shareholders. Readers should refer to Note 5 of our consolidated financial statements in our Annual Report on Form 10-K for the calendar year ended December 31, 2016, for additional information related to these stock-based compensation plans. The Company recognized compensation expense for share-based payments of $3,406,371 and $6,890,611 for the three and six months ended June 30, 2017, respectively, and $3,811,300 and $7,833,682 for the three and six months ended June 30, 2016, respectively. Compensation cost capitalized as part of inventory as of June 30, 2017 and 2016 was $225,613 and $282,786, respectively. Employee Stock Option Plan The Company has an employee stock option plan covering 24,000,000 shares of common stock. The purpose of the plan is to provide an opportunity to use stock options as a means of recruiting new managerial and technical personnel and as a means for retaining certain employees of the Company and allow them to purchase shares of common stock of the Corporation and thereby have an additional incentive to contribute to the prosperity of the Company. The fair value of each option grant in the employee stock option plan was estimated on the date of grant using the Black-Scholes option pricing model with the following weighted-average assumptions for the indicated periods:
(1)Represents the Company’s estimated cash dividend yield over the expected term of option grant.
Under the employee stock option plan, the option exercise price equals the stock’s market price on date of grant. The options vest after one to five years, and expire after five to seven years. As of June 30, 2017, there was $14,050,223 of unrecognized compensation cost related to share-based payments which is expected to be recognized over the vesting periods. Non-employee Director Stock Option Plan The Company has a non-employee director stock option plan covering 1,000,000 shares of common stock. As of June 30, 2017, there was $194,729 unrecognized compensation cost under the non-employee director plan related to share-based payments. The Company has granted options on 427,000 shares under the non-employee director plan through June 30, 2017. Under the non-employee director plan, the option exercise price equals the stock’s market price on the date of grant. The options vest after six months, and expire after ten years. Employee Stock Purchase Plan The Company has an employee stock purchase plan covering 2,000,000 shares of common stock. Under the plan, the Company sells shares at 85% of the stock’s market price at date of purchase. Under ASC 718, the 15% discounted value is recognized as compensation expense. As of June 30, 2017, the Company has granted 709,595 shares under this plan. Restricted Stock Plan The Company has a restricted stock plan covering 9,000,000 shares of common stock. The purpose of the restricted stock plan is to permit grants of shares, subject to restrictions, to employees of the Company as a means of retaining and rewarding them for performance and to increase their ownership in the Company. Shares awarded under the restricted stock plan entitle the shareholder to all rights of common stock ownership except that the shares may not be sold, transferred, pledged, exchanged or otherwise disposed of during the restriction period. The restriction period is determined by the Compensation Committee, appointed by the Board of Directors, but may not exceed ten years under the terms of the plan. As of June 30, 2017, the Company had unearned stock-based compensation of $18,588,951 associated with these restricted stock grants. The unearned stock-based compensation related to these grants is being amortized to compensation expense over the applicable restriction periods. Amortization expense from restricted stock grants in the three and six months ended June 30, 2017 was $1,285,847 and $2,226,658, respectively. |
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| X | ||||||||||
- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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Comprehensive Income |
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| Equity [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive Income | Comprehensive Income Comprehensive income reflects the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources. For the Company, comprehensive income represents net income adjusted for unrealized gains and losses on certain investments, foreign currency translation adjustments, and derivatives. The following table presents the net changes in the Company's accumulated other comprehensive income (loss) by component: (All amounts shown are net of tax).
The following table presents details of reclassifications out of other comprehensive income for the six months ended June 30, 2017 and 2016.
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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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Debt and Financing Arrangements |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt and Financing Arrangements | Debt and Financing Arrangements Credit Agreement On September 27, 2013, the Company entered into a Credit Agreement (“Credit Agreement”) with certain banks and agents. Pursuant to the Credit Agreement, the Company is borrower under a $150 million senior revolving credit facility (“Revolver”) and a $150 million term loan facility (“Term Loan”). Under the terms of the Credit Agreement, the Company is entitled, to further request an additional aggregate principal amount of up to $75 million, subject to the satisfaction of certain conditions. In addition, the Company is entitled to the benefit of swing loans from amounts otherwise available under the Revolver in the aggregate principal amount of up to $20 million and to request Letters of Credit from amounts otherwise available under the Revolver in the aggregate principle amount up to $20 million, both subject to certain conditions. The obligations of the Company under the Credit Agreement are not secured, but are subject to certain covenants. The Revolver expires and the Term Loan matures on September 27, 2018. During the three and six months ended June 30, 2017, the Company made principal repayments of $26.9 million and $68.8 million respectively, plus accrued interest, on the Term Loan and Revolver. The aforementioned payments include a payment made by the Company of $20.0 million to pay down the remaining balance on the Revolver and $5.0 million on the Term Loan during the second quarter of 2017, which was in addition to scheduled amounts due. The Company used cash and cash equivalents to fund the payments. During the first quarter of 2017, the Company additionally reclassified $100 million of long-term debt to short-term debt as a result of the Company's current plans to make accelerated debt payments over the course of the next year. As of June 30, 2017, there was no outstanding balance on the Revolver. Under current terms of the Term Loan, the Company is required to make principal repayments of $7.5 million annually, but currently intends to make accelerated debt repayments through the maturity date of the Term Loan. As of June 30, 2017, $116.9 million was outstanding under the Term Loan. As of June 30, 2017, the borrowing rate on both its Term Loan and Revolver are derived from the one month LIBOR, and based on the Company's leverage ratio as of June 30, 2017, the interest rate on its borrowings is equal to 2.23%. Interest expense is netted within the "Other, net" section of the Condensed Consolidated Statements of Income, and interest expense associated with the Term Loan and Revolver was $0.7 million and $1.6 million during the three and six months ended June 30, 2017, respectively, and $0.8 million and $1.7 million during the three and six months ended June 30, 2016, respectively. The Credit Agreement contains customary representations and warranties and certain covenants that place certain limitations on the Company. As of June 30, 2017, the Company was in compliance with its covenants under the Credit Agreement. Interest Rate Swap On October 1, 2014 the Company entered into an interest rate swap transaction with a bank (“Counterparty”). The Counterparty is among the syndicate of lenders under the existing Credit Agreement entered into on September 27, 2013. The Company entered into the interest rate swap transaction to mitigate the Company’s floating rate interest risk on an aggregate of $150 million of the Company’s debt that is currently outstanding under the Credit Agreement. The interest rate swap has an effective date of July 31, 2015 and a termination date of September 27, 2018 (which is the expiration date of the Credit Agreement). The Company is required to make certain monthly fixed rate payments to the Counterparty calculated on a notional amount of $150 million for the rate swap, while the Counterparty is obligated to make monthly floating rate payments to the Company referencing the same notional amount. The interest rate swap transaction has the effect of fixing the annual interest rate payable on $150 million of the Company’s outstanding debt under its existing credit facility to 1.89%, as of the effective date. The notional amounts of the interest rate swap agreement are used to measure interest to be paid or received and do not represent the amount of exposure to credit loss. This derivative instrument has been designated as a cash flow hedge of the variable interest payments on the related debt. Interest expense is netted within the "Other, net" section of the Condensed Consolidated Statements of Income, and interest expense associated with the interest rate swap was $0.4 million and $0.9 million during the three and six months ended June 30, 2017, respectively, and $0.6 million and $1.1 million during the three and six months ended June 30, 2016, respectively. Notwithstanding the terms of the interest rate swap transaction, the Company is ultimately obligated for all amounts due and payable under its existing Credit Agreement. The notional amount of the Company's derivative instruments are as follows:
The following table sets forth financial assets and liabilities measured at fair value related to the interest rate swap agreement and the respective pricing levels to which the fair value measurements are classified within the fair value hierarchy. The Company uses the market approach to derive the value of its level 2 fair value measurements. Interest rate swaps are valued using publicized swap curves.
Based on loan balances as of June 30, 2017 and the effective interest swap date of July 31, 2015, a one percent increase in the Company's borrowing rate would increase net interest expense paid by the Company on its borrowings by less than $0.1 million dollars on an annual basis. |
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Equity |
6 Months Ended |
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Jun. 30, 2017 | |
| Equity [Abstract] | |
| Equity | Equity The decrease in common stock during the six months ended June 30, 2017, was primarily due to the repurchases of 3,655,278 shares pursuant to the Company's previously announced share repurchase plan, of which was partially offset by the issuance of 2,126,386 shares of the Company’s common stock under the Company’s stock-based compensation plans, for a net decrease of 1,528,892 shares. The Company announced a $.01 per share increase in its quarterly cash dividend rate during the second quarter of 2017. As such, the Company recorded a cash dividend of $0.10 during the second quarter of 2017 as compared to a cash dividend of $.090 per share during the second quarter of 2016. The second quarter 2017 dividend of $28.6 million, was declared on May 18, 2017, and was paid on July 19, 2017. |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Contingencies |
6 Months Ended |
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Jun. 30, 2017 | |
| Commitments and Contingencies Disclosure [Abstract] | |
| Contingencies | Contingencies The Company is periodically involved in legal proceedings, legal actions and claims arising in the normal course of business, including proceedings relating to product liability, intellectual property, safety and health, employment and other matters. Such matters are subject to many uncertainties and outcomes are not predictable. The Company does not believe, however, that at the current time any of these matters constitute material pending legal proceedings that will have a material adverse effect on the financial position or future results of operations of the Company. |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The entire disclosure for commitments and contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Segment Reporting |
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| Segment Reporting [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Segment Reporting | Segment Reporting The Company's automotive segment develops and manufactures electro-optic products and electronics, including: automatic-dimming rearview mirrors with and without electronic features; non-auto dimming rearview mirrors with and without electronic features; and other electronics. The Company also develops and manufactures variably dimming windows for the aerospace industry and fire protection products for the commercial construction industry, which are combined into the "Other" segment shown below.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Income Taxes |
6 Months Ended |
|---|---|
Jun. 30, 2017 | |
| Income Tax Disclosure [Abstract] | |
| Income Taxes | Income Taxes The effective tax rate was 29.2% in the six months ended June 30, 2017 compared to 32.5% for the same period in 2016. Effective tax rates for these periods differ from statutory federal income tax rates, due to the domestic manufacturing deduction, provisions for state and local income taxes and permanent tax differences. The decrease in the effective tax rate for the six months ended June 30, 2017 compared to the same period of 2016 is primarily due to favorable discrete items that impacted the Company's tax provision in the amount of $5.8 million, of which $3.8 million was related to a change in tax method and $2.0 million was related to the first quarter adoption of ASU 2016-09, which requires prospective recognition of excess tax benefits and deficiencies from stock-based compensation arrangements in the income statement as a component of the income tax provision. Of this $2.0 million related to the adoption of ASU 2016-09, $1.8 million was related to the first quarter 2017, and $0.2 million was related to the second quarter 2017. The new ASU and its impacts on the Company's Consolidated Statements of Income and Statements of Cash Flows are further described in Note 2 of the Notes to the Consolidated Financial Statements in this Form 10-Q. |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Adoption of New Accounting Standards (Policies) |
6 Months Ended |
|---|---|
Jun. 30, 2017 | |
| New Accounting Pronouncements and Changes in Accounting Principles [Abstract] | |
| Adoption of new Accounting Standards | Adoption of New Accounting Standards In May 2014, the Financial Accounting Standards Board (FASB) issued the Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers (Topic 606), that will supersede nearly all existing revenue recognition guidance under US GAAP. The core principle of the guidance is that an entity should recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods or services. The standard was originally to be effective for public entities for annual and interim periods beginning after December 15, 2016. On July 9, 2015, the FASB decided to defer by one year the effective dates of the new standard for both public and nonpublic entities reporting under US GAAP. Early adoption would be permitted for all entities, but not before the original public entity effective date (i.e. annual and interim periods beginning after December 15, 2016). The Company will adopt ASU 2014-09 in the first quarter of 2018 and apply the modified retrospective approach. Under this method, the Company will recognize the cumulative effect of initially applying the new standard as an adjustment to the opening balance of retained earnings at the date of initial application. The new revenue standard will be applied to contracts that are in progress at the date of initial application. The Company is currently evaluating the impact of this standard on its operations, consolidated financial statements and footnote disclosures. The assessment phase of this evaluation has included the identification of the key revenue streams and the comparison of historical accounting policies and practices to the requirements of the new standard by revenue stream. The implementation team has also made substantial progress in the contract review phase of this evaluation, which includes identifying the population of contracts for a deeper analysis of the potential accounting impact due to the new standard for individual contracts. As a result, the Company expects to continue recognizing revenue at a particular point in time for the majority of our contracts with customers, which is generally when products are either shipped or delivered. The new standard may also impact how the Company accounts for pre-production activities, such as customer funded tooling and engineering design and development cost recoveries. Additionally, the Company anticipates testing the new controls and processes designed to comply with the standard in 2017 to permit the Company’s adoption on January 1, 2018. In February 2016, the FASB issued ASU 2016-02, Leases, which provides guidance for lease accounting. The new guidance contained in the ASU stipulates that lessees will need to recognize a right-of-use asset and a lease liability for substantially all leases (other than leases that meet the definition of a short-term lease). The liability will be equal to the present value of lease payments. Treatment in the consolidated statements of earnings will be similar to the current treatment of operating and capital leases. The new guidance is effective on a modified retrospective basis for the Company in the first quarter of its fiscal year ending December 31, 2019. The Company is currently in the process of evaluating the impact of adoption of this standard on its consolidated financial statements. Upon adoption, the Company does not anticipate a material impact on the Company's Consolidated Financial Statements. In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting, which amends Accounting Standards Codification ("ASC") Topic 718, Compensation - Stock Compensation. ASU 2016-09 simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. Under previous guidance, excess tax benefits and deficiencies from stock-based compensation arrangements were recorded in equity when the awards vested or were settled. ASU 2016-09 requires prospective recognition of excess tax benefits and deficiencies in the income statement as a component of the income tax provision. In addition, under ASU 2016-09, excess income tax benefits from stock-based compensation arrangements are classified as cash flow from operations, rather than as cash flow from financing activities. ASU 2016-09 also allows for the Company to make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest or account for forfeitures when they occur. The Company will continue to apply its existing entity-wide policy to estimate the number of awards expected to be forfeited. Impact to Consolidated Statements of Income One of the more significant impacts of adopting ASU 2016-09 is the required change in how the Company recognizes the excess tax benefits or deficiencies related to share-based compensation. For example, prior to adopting ASU 2016-09 such benefits and deficiencies were credited or charged, respectively, to additional paid-in capital in the Company’s Consolidated Balance Sheets. Under ASU 2016-09, these benefits and deficiencies are recognized as a discrete tax benefit or discrete tax expense, in the Company’s Consolidated Statements of Income. For the three and six months ended June 30, 2017, the Company recognized a discrete tax benefit of $0.2 million and $2.0 million respectively, related to net tax benefits from share-based compensation. ASU 2016-09 requires companies to adopt the amendment related to accounting for benefits and deficiencies on a prospective basis only. As a result, no change has been made to the Consolidated Statements of Income for the three and six months ended June 30, 2016 related to the $0.3 million of net tax benefit and $0.1 million of net tax expense the Company recognized as additional paid-in capital during each respective period. Net tax benefit of $0.3 million and net tax expense of $0.1 million recognized as additional paid-in-capital during the three and six months ended June 30, 2016 includes gross tax benefits of $0.8 million net of $0.5 million tax expense for the three months ended June 30, 2016, and gross tax benefits of $1.0 million net of $1.1 million tax expense for the six months ended June 30, 2016. In consideration of the impact of the adoption of this standard to earnings per share, the total impact of adoption of this standard to the earnings per share calculation was less than $.01 for each of the three and six month periods ending June 30, 2017. Impact to Consolidated Statements of Cash Flows In addition to the income tax consequences described above, under ASU 2016-09 all tax benefits related to share-based payments are reported as cash flows from operating activities along with all other income tax cash flows. Previously, tax benefits from share-based payment arrangements were reported as cash flows from financing activities. With respect to the classification of tax benefits on the statement of cash flows, ASU 2016-09 allows companies to elect either a prospective or retrospective application. The Company has elected to apply this classification amendment retrospectively. As a result, the Company elected to reclassify $1.7 million of tax expense previously reported as cash flows from financing activities on the Company’s Consolidated Statement of Cash Flows for the six months ended June 30, 2016 as cash flows from operating activities. In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows, which updates the guidance as to how certain cash receipts and cash payments should be presented and classified within the statement of cash flows. The update is intended to reduce the existing diversity in practice. The amended guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017, with early adoption permitted, including adoption in an interim period. The Company is in the process of assessing the potential effect the new standard will have on its consolidated financial statements. |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact. No definition available.
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Goodwill and Other Intangible Assets (Tables) |
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Intangible Assets | The patents and intangible assets and related change in carrying values are set forth in the tables below: As of June 30, 2017:
As of December 31, 2016:
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- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Investments (Tables) |
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| Investments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Securities Stated at Fair Value | Assets or liabilities that have recurring fair value measurements are shown below as of June 30, 2017, and December 31, 2016: As of June 30, 2017:
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| Schedule of Amortized Cost, Unrealized Gains And Losses, And Market Value of Investment Securities | The amortized cost, unrealized gains and losses, and market value of investment securities are shown as of June 30, 2017, and December 31, 2016: As of June 30, 2017:
As of December 31, 2016:
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| Schedule of Unrealized Loss on Investments | Unrealized losses on investments as of June 30, 2017, are as follows:
Unrealized losses on investments as of December 31, 2016, are as follows:
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| Investments Classified by Contractual Maturity Date | Fixed income securities as of June 30, 2017, have contractual maturities as follows:
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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. No definition available.
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| X | ||||||||||
- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Tabular disclosure of unrealized gains and losses on investments. No definition available.
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Inventories (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Inventory Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Inventories | Inventories consisted of the following at the respective balance sheet dates:
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- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Earnings Per Share (Tables) |
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| Earnings Per Share [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Earnings Per Share Basic And Diluted | The following table reconciles the numerators and denominators used in the calculation of basic and diluted earnings per share (EPS):
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Stock-Based Compensation Plans (Tables) |
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Jun. 30, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Weighted-Average Assumptions For The Employee Stock Option Plan | The fair value of each option grant in the employee stock option plan was estimated on the date of grant using the Black-Scholes option pricing model with the following weighted-average assumptions for the indicated periods:
(1)Represents the Company’s estimated cash dividend yield over the expected term of option grant.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Comprehensive Income (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Equity [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of net changes in the Company's accumulated other comprehensive income by component | The following table presents the net changes in the Company's accumulated other comprehensive income (loss) by component: (All amounts shown are net of tax).
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| Schedule of reclassifications out of other comprehensive income | The following table presents details of reclassifications out of other comprehensive income for the six months ended June 30, 2017 and 2016.
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| X | ||||||||||
- References No definition available.
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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Debt and Financing Arrangements (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of notional amount of the Company's derivative instruments | The notional amount of the Company's derivative instruments are as follows:
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| Schedule of financial assets and liabilities measured at fair value in the consolidated balance sheets | The Company uses the market approach to derive the value of its level 2 fair value measurements. Interest rate swaps are valued using publicized swap curves.
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- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Tabular disclosure of the notional amounts of outstanding derivative positions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Segment Reporting (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Segment Reporting [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Automotive and Other Segment Reporting | The Company also develops and manufactures variably dimming windows for the aerospace industry and fire protection products for the commercial construction industry, which are combined into the "Other" segment shown below.
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| X | ||||||||||
- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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Adoption of New Accounting Standards (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2017 |
Mar. 31, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
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| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Recognized a discrete tax benefit | $ 200,000 | $ 1,800,000 | $ 2,000,000 | ||
| Tax benefit (expense) recognized as additional paid-in capital | $ 300,000 | $ (100,000) | |||
| Reclassified tax benefits to operating activities | 172,173,180 | 131,076,603 | |||
| Cash flows from operating activities | $ 263,557,719 | 255,129,954 | |||
| Additional Paid-in Capital [Member] | |||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Tax benefit (expense) recognized as additional paid-in capital | 300,000 | (100,000) | |||
| Tax benefit recognized as additional paid-in capital | 800,000 | 1,000,000 | |||
| Tax expense recognized as additional paid-in capital | $ 500,000 | 1,100,000 | |||
| Accounting Standards Update 2016-09 [Member] | |||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Reclassified tax benefits to operating activities | 1,700,000 | ||||
| Cash flows from operating activities | $ 1,700,000 | ||||
| Effect on earnings per share (in dollars per share) | $ 0.01 | $ 0.01 | |||
| X | ||||||||||
- Definition Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP). No definition available.
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| X | ||||||||||
- Definition Amount of decrease in additional paid in capital (APIC) resulting from a tax deficiency associated with a share-based compensation plan other than an employee stock ownership plan (ESOP). No definition available.
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| X | ||||||||||
- Definition Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of the effect of a change in accounting principle on basic earnings per share. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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Goodwill and Other Intangible Assets (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Dec. 31, 2016 |
Sep. 27, 2013 |
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| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||||||
| Goodwill | $ 307,365,845 | $ 307,365,845 | $ 307,365,845 | [1] | |||||
| Amortization expense, 2017 | 22,000,000 | 22,000,000 | |||||||
| Amortization expense, 2018 | 22,000,000 | 22,000,000 | |||||||
| Amortization expense, 2019 | 22,000,000 | 22,000,000 | |||||||
| Amortization expense, 2020 | 22,000,000 | 22,000,000 | |||||||
| Amortization expense, 2021 | 22,000,000 | 22,000,000 | |||||||
| HomeLink® | |||||||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||||||
| Goodwill | $ 307,400,000 | ||||||||
| Accumulated amortization | 72,375,000 | 72,375,000 | 62,725,000 | ||||||
| Gentex Patents | |||||||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||||||
| Accumulated amortization | 17,473,999 | 17,473,999 | 16,481,728 | ||||||
| Patents and Other Intangible Assets | |||||||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||||||
| Accumulated amortization | 89,848,999 | 89,848,999 | $ 79,206,728 | ||||||
| Patents and Other Intangible Assets | HomeLink® | |||||||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||||||
| Amortization expense | $ 5,700,000 | $ 5,600,000 | $ 11,300,000 | $ 11,100,000 | |||||
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| X | ||||||||||
- Definition [Line Items] for Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Table] No definition available.
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| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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| X | ||||||||||
- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) |
6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2017 |
Dec. 31, 2016 |
||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||
| Intangible assets, net | $ 298,625,000 | $ 308,275,000 | [1] | ||
| Gentex Patents | |||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||
| Finite-lived intangible assets, gross | 33,939,953 | 33,002,468 | |||
| Finite-lived intangible assets, accumulated amortization | (17,473,999) | (16,481,728) | |||
| Finite-lived intangible assets, net | 16,465,954 | 16,520,740 | |||
| Patents and Other Intangible Assets | |||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||
| Finite-lived intangible assets, accumulated amortization | (89,848,999) | (79,206,728) | |||
| Intangible assets, gross | 404,939,953 | 404,002,468 | |||
| Intangible assets, net | 315,090,954 | 324,795,740 | |||
| HomeLink® | |||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||
| Finite-lived intangible assets, accumulated amortization | (72,375,000) | (62,725,000) | |||
| Intangible assets, gross | 371,000,000 | 371,000,000 | |||
| Intangible assets, net | 298,625,000 | 308,275,000 | |||
| HomeLink® | Homelink Technology | |||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||
| Finite-lived intangible assets, gross | 180,000,000 | 180,000,000 | |||
| Finite-lived intangible assets, accumulated amortization | (56,250,000) | (48,750,000) | |||
| Finite-lived intangible assets, net | $ 123,750,000 | $ 131,250,000 | |||
| HomeLink® | Homelink Technology | Minimum [Member] | |||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||
| Finite-lived intangible asset, useful life | 12 years | 12 years | |||
| HomeLink® | Existing Customer Platforms | |||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||
| Finite-lived intangible assets, gross | $ 43,000,000 | $ 43,000,000 | |||
| Finite-lived intangible assets, accumulated amortization | (16,125,000) | (13,975,000) | |||
| Finite-lived intangible assets, net | $ 26,875,000 | $ 29,025,000 | |||
| Finite-lived intangible asset, useful life | 10 years | 10 years | |||
| HomeLink® | HomeLink Trade Names and Trademarks | |||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||
| Indefinite-lived intangible assets | $ 52,000,000 | $ 52,000,000 | |||
| HomeLink® | Exclusive Licensing Agreement | |||||
| Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] | |||||
| Indefinite-lived intangible assets | $ 96,000,000 | $ 96,000,000 | |||
| |||||
| X | ||||||||||
- Definition [Line Items] for Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Table] No definition available.
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| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. No definition available.
|
| X | ||||||||||
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Investments (Schedule of Amortized Cost, Unrealized Gains And Losses, And Market Value of Investment Securities) (Details) - USD ($) |
Jun. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cash & Cash Equivalents | $ 580,579,352 | $ 546,477,075 |
| Cost | 226,400,273 | 222,624,828 |
| Unrealized Gains | 8,032,632 | 5,209,434 |
| Unrealized Losses | (619,282) | (918,703) |
| Market Value | 233,813,623 | 226,915,559 |
| Investments and Cash | 814,392,975 | 773,392,634 |
| Short-term Investments [Member] | Certificates of Deposit [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 130,000,000 | 130,000,000 |
| Unrealized Gains | 0 | 0 |
| Unrealized Losses | 0 | 0 |
| Market Value | 130,000,000 | 130,000,000 |
| Short-term Investments [Member] | Government Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 17,058,035 | 14,003,644 |
| Unrealized Gains | 0 | 0 |
| Unrealized Losses | (29,435) | (10,164) |
| Market Value | 17,028,600 | 13,993,480 |
| Short-term Investments [Member] | Mutual Funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 26,326,674 | |
| Unrealized Gains | 27,459 | |
| Unrealized Losses | (237,452) | |
| Market Value | 26,525,181 | 26,116,681 |
| Short-term Investments [Member] | Corporate Bond Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 10,761,522 | 6,706,721 |
| Unrealized Gains | 1,839 | 0 |
| Unrealized Losses | (6,073) | (8,339) |
| Market Value | 10,757,288 | 6,698,382 |
| Short-term Investments [Member] | Other Debt Obligations [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 242,173 | 212,653 |
| Unrealized Gains | 0 | 0 |
| Unrealized Losses | 0 | 0 |
| Market Value | 242,173 | 212,653 |
| Short-term Investments [Member] | Mutual Funds – Equity [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 26,611,888 | |
| Unrealized Gains | 51,791 | |
| Unrealized Losses | (138,498) | |
| Market Value | 26,525,181 | |
| Long-Term Investments [Member] | Government Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 5,519,668 | |
| Unrealized Gains | 661 | |
| Unrealized Losses | (9,539) | |
| Market Value | 5,510,790 | |
| Long-Term Investments [Member] | Mutual Funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 27,329,164 | |
| Unrealized Gains | 1,830,992 | |
| Unrealized Losses | (288,146) | |
| Market Value | 28,872,010 | |
| Long-Term Investments [Member] | Corporate Bond Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 3,034,367 | 1,955,292 |
| Unrealized Gains | 4,183 | 0 |
| Unrealized Losses | 0 | (6,736) |
| Market Value | 3,038,550 | 1,948,556 |
| Long-Term Investments [Member] | Common Stocks [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 10,455,462 | 9,825,550 |
| Unrealized Gains | 3,809,668 | 3,349,962 |
| Unrealized Losses | (445,276) | (326,505) |
| Market Value | 13,819,854 | 12,849,007 |
| Long-Term Investments [Member] | Mutual Funds – Equity [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 27,491,364 | |
| Unrealized Gains | 4,123,947 | |
| Unrealized Losses | 0 | |
| Market Value | 31,615,311 | |
| Long-Term Investments [Member] | Preferred Stock [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 745,462 | 745,462 |
| Unrealized Gains | 41,204 | 360 |
| Unrealized Losses | 0 | (31,822) |
| Market Value | 786,666 | 714,000 |
| Fair Value, Inputs, Level 1 [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cash & Cash Equivalents | 580,579,352 | 546,477,075 |
| Investments and Cash | 757,043,356 | 719,124,745 |
| Fair Value, Inputs, Level 1 [Member] | Short-term Investments [Member] | Certificates of Deposit [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 130,000,000 | 130,000,000 |
| Fair Value, Inputs, Level 1 [Member] | Short-term Investments [Member] | Government Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 1 [Member] | Short-term Investments [Member] | Mutual Funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 1 [Member] | Short-term Investments [Member] | Corporate Bond Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 1 [Member] | Short-term Investments [Member] | Other Debt Obligations [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 242,173 | 212,653 |
| Fair Value, Inputs, Level 1 [Member] | Long-Term Investments [Member] | Government Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | |
| Fair Value, Inputs, Level 1 [Member] | Long-Term Investments [Member] | Mutual Funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 28,872,010 | |
| Fair Value, Inputs, Level 1 [Member] | Long-Term Investments [Member] | Corporate Bond Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 1 [Member] | Long-Term Investments [Member] | Common Stocks [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 13,819,854 | 12,849,007 |
| Fair Value, Inputs, Level 1 [Member] | Long-Term Investments [Member] | Mutual Funds – Equity [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 31,615,311 | |
| Fair Value, Inputs, Level 1 [Member] | Long-Term Investments [Member] | Preferred Stock [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 786,666 | 714,000 |
| Fair Value, Inputs, Level 2 [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cash & Cash Equivalents | 0 | 0 |
| Investments and Cash | 57,349,619 | 54,267,889 |
| Fair Value, Inputs, Level 2 [Member] | Short-term Investments [Member] | Certificates of Deposit [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 2 [Member] | Short-term Investments [Member] | Government Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 17,028,600 | 13,993,480 |
| Fair Value, Inputs, Level 2 [Member] | Short-term Investments [Member] | Mutual Funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 26,525,181 | 26,116,681 |
| Fair Value, Inputs, Level 2 [Member] | Short-term Investments [Member] | Corporate Bond Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 10,757,288 | 6,698,382 |
| Fair Value, Inputs, Level 2 [Member] | Short-term Investments [Member] | Other Debt Obligations [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 2 [Member] | Long-Term Investments [Member] | Government Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 5,510,790 | |
| Fair Value, Inputs, Level 2 [Member] | Long-Term Investments [Member] | Mutual Funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | |
| Fair Value, Inputs, Level 2 [Member] | Long-Term Investments [Member] | Corporate Bond Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 3,038,550 | 1,948,556 |
| Fair Value, Inputs, Level 2 [Member] | Long-Term Investments [Member] | Common Stocks [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 2 [Member] | Long-Term Investments [Member] | Mutual Funds – Equity [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | |
| Fair Value, Inputs, Level 2 [Member] | Long-Term Investments [Member] | Preferred Stock [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cash & Cash Equivalents | 0 | 0 |
| Investments and Cash | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | Short-term Investments [Member] | Certificates of Deposit [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | Short-term Investments [Member] | Government Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | Short-term Investments [Member] | Mutual Funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | Short-term Investments [Member] | Corporate Bond Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | Short-term Investments [Member] | Other Debt Obligations [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | Long-Term Investments [Member] | Government Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | |
| Fair Value, Inputs, Level 3 [Member] | Long-Term Investments [Member] | Mutual Funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | |
| Fair Value, Inputs, Level 3 [Member] | Long-Term Investments [Member] | Corporate Bond Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | Long-Term Investments [Member] | Common Stocks [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | Long-Term Investments [Member] | Mutual Funds – Equity [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | 0 | |
| Fair Value, Inputs, Level 3 [Member] | Long-Term Investments [Member] | Preferred Stock [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Market Value | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. No definition available.
|
| X | ||||||||||
- Definition Sum of investments and unrestricted cash as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
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Investments (Schedule of Unrealized Loss on Investments) (Details) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2017 |
Dec. 31, 2016 |
|
| Investments [Abstract] | ||
| Aggregate Unrealized Losses, Less than one year | $ 511,290 | $ 767,612 |
| Aggregate Fair Value, Less than one year | 46,054,905 | 55,574,292 |
| Aggregate Unrealized Losses, Greater than one year | 107,992 | 151,091 |
| Aggregate Fair Value, Greater than one year | 268,074 | 358,120 |
| Aggregate Unrealized Losses, Total | 619,282 | 918,703 |
| Aggregate Fair Value, Total | 46,322,979 | 55,932,412 |
| Equity investment losses were considered to be other than temporary | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
Investments (Investments Classified by Contractual Maturity Date) (Details) - Fixed Income Securities [Member] |
Jun. 30, 2017
USD ($)
|
|---|---|
| Schedule of Available-for-sale Securities [Line Items] | |
| Due within one year | $ 157,785,888 |
| Due between one and five years | 3,825,216 |
| Due over five years | 0 |
| Total | $ 161,611,104 |
| X | ||||||||||
- Definition Available-for-sale Securities, Debt Maturities, after Five Years, Fair Value No definition available.
|
| X | ||||||||||
- Definition Fair value of available-for-sale debt securities maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Fair value of available-for-sale debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of debt securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
Inventories (Schedule of Inventories) (Details) - USD ($) |
Jun. 30, 2017 |
Dec. 31, 2016 |
|||
|---|---|---|---|---|---|
| Inventory Disclosure [Abstract] | |||||
| Raw materials | $ 122,567,049 | $ 115,099,569 | |||
| Work-in-process | 34,716,262 | 32,509,368 | |||
| Finished goods | 39,256,911 | 41,702,500 | |||
| Total Inventory | $ 196,540,222 | $ 189,311,437 | [1] | ||
| |||||
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
Earnings Per Share (Schedule of Earnings Per Share, Basic And Diluted) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Numerators [Abstract] | ||||
| Numerator for both basic and diluted EPS, net income | $ 88,535,947 | $ 86,485,242 | $ 186,092,688 | $ 166,765,236 |
| Denominators [Abstract] | ||||
| Denominator for basic EPS, weighted-average shares outstanding | 286,722,482 | 288,803,045 | 286,956,367 | 288,943,030 |
| Potentially dilutive shares resulting from stock plans | 3,120,420 | 2,660,838 | 3,581,875 | 2,429,695 |
| Denominator for diluted EPS | 289,842,902 | 291,463,883 | 290,538,242 | 291,372,725 |
| Shares related to stock plans not included in diluted average common shares outstanding because their effect would be anti-dilutive | 873,937 | 4,330,316 | 109,597 | 6,563,404 |
| X | ||||||||||
- Definition Denominators [Abstract] No definition available.
|
| X | ||||||||||
- Definition Numerators [Abstract] No definition available.
|
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
Stock-Based Compensation Plans (Narrative) (Details) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2017
USD ($)
plan
shares
|
Jun. 30, 2016
USD ($)
|
Jun. 30, 2017
USD ($)
plan
shares
|
Jun. 30, 2016
USD ($)
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Compensation expense for share-based payments | $ | $ 3,406,371 | $ 3,811,300 | $ 6,890,611 | $ 7,833,682 |
| Compensation cost capitalized as part of inventory | $ | $ 225,613 | $ 282,786 | ||
| Employee Stock Option Plan [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Number of shares available for grant (in shares) | shares | 24,000,000 | 24,000,000 | ||
| Unrecognized compensation cost | $ | $ 14,050,223 | $ 14,050,223 | ||
| Employee Stock Option Plan [Member] | Minimum [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Option vesting period | 1 year | |||
| Option expiration period | 5 years | |||
| Employee Stock Option Plan [Member] | Maximum [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Option vesting period | 5 years | |||
| Option expiration period | 7 years | |||
| Non-Employee Director Stock Option Plan [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Option vesting period | 6 months | |||
| Option expiration period | 10 years | |||
| Number of shares authorized (in shares) | shares | 1,000,000 | 1,000,000 | ||
| Unrecognized compensation cost | $ | $ 194,729 | $ 194,729 | ||
| Options granted (in shares) | shares | 427,000 | |||
| Employee Stock Purchase Plan [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Shares approved (in shares) | shares | 2,000,000 | 2,000,000 | ||
| ESPP discount rate | 85.00% | |||
| Shares granted (in shares) | shares | 709,595 | 709,595 | ||
| ESPP discount rate recognized as compensation expense | 15.00% | |||
| Restricted Stock Plan [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Number of shares authorized (in shares) | shares | 9,000,000 | 9,000,000 | ||
| Restricted period, maximum, in years | 10 years | |||
| Unearned stock-based compensation | $ | $ 18,588,951 | $ 18,588,951 | ||
| Amortization expense | $ | $ 1,285,847 | $ 2,226,658 | ||
| Equity Incentive Plans [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Number of plans (in plans) | plan | 4 | 4 | ||
| Stock Options [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Number of plans (in plans) | plan | 2 | 2 | ||
| X | ||||||||||
- Definition Share-based compensation arrangement by share-based payment award discount recognized as compensation expense. No definition available.
|
| X | ||||||||||
- Definition Share-based compensation, restricted period. No definition available.
|
| X | ||||||||||
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans No definition available.
|
| X | ||||||||||
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Value of stock issued under share-based plans to employees or officers which is the unearned portion, accounted for under the fair value method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The shares or units in an ESOP trust that have been assigned to individual participant accounts based on a known formula. IRS rules require allocations to be nondiscriminatory generally based on compensation, length of service, or a combination of both. For any particular participant such shares or units may be vested, unvested, or partially vested. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Discount rate from fair value on purchase date that participants pay for shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
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| X | ||||||||||
- Definition The amount by which an asset or assets increased resulting from the transaction in which equity securities were issued to pay for goods or nonemployee services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Stock-Based Compensation Plans (Weighted-Average Assumptions for the ESOP) (Details) - $ / shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | ||||
| Dividend yield | 2.15% | 2.18% | 2.17% | 2.17% |
| Expected volatility | 28.02% | 34.14% | 29.21% | 34.34% |
| Risk-free interest rate | 1.89% | 1.01% | 2.03% | 1.20% |
| Expected term of options | 4 years 2 months 27 days | 4 years 2 months 53 days | 4 years 52 days | 4 years 90 days |
| Weighted-avg. grant-date fair value (in dollars per share) | $ 3.86 | $ 3.64 | $ 4.29 | $ 3.66 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Comprehensive Income (AOCI Rollforward) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|||
| AOCI Attributable to Parent, Net of Tax [Roll Forward] | ||||||
| Balance at beginning of period | [1] | $ 1,910,424,234 | ||||
| Comprehensive Income | $ 90,971,869 | $ 84,901,726 | 190,545,149 | $ 164,420,474 | ||
| Balance at end of period | 2,003,936,423 | 2,003,936,423 | ||||
| Accumulated other comprehensive income (loss), end of period | 3,181,156 | (3,475,598) | 3,181,156 | (3,475,598) | ||
| Foreign currency translation adjustments | ||||||
| AOCI Attributable to Parent, Net of Tax [Roll Forward] | ||||||
| Balance at beginning of period | (2,674,409) | 279,935 | (2,862,999) | (44,909) | ||
| Other Comprehensive income (loss) before reclassifications | 1,495,210 | (1,753,823) | 1,683,800 | (1,428,979) | ||
| Comprehensive Income | 1,495,210 | (1,753,823) | 1,683,800 | (1,428,979) | ||
| Balance at end of period | (1,179,199) | (1,473,888) | (1,179,199) | (1,473,888) | ||
| Unrealized gains on available-for-sale securities: | ||||||
| AOCI Attributable to Parent, Net of Tax [Roll Forward] | ||||||
| Balance at beginning of period | 4,199,640 | 622,330 | 2,788,975 | 829,907 | ||
| Other Comprehensive income (loss) before reclassifications | 1,164,243 | 232,539 | 2,739,626 | (275,809) | ||
| Amounts reclassified from accumulated other comprehensive income | (545,206) | 16,076 | (709,924) | 316,847 | ||
| Comprehensive Income | 619,037 | 248,615 | 2,029,702 | 41,038 | ||
| Balance at end of period | 4,818,677 | 870,945 | 4,818,677 | 870,945 | ||
| Unrealized gains (losses) on derivatives | ||||||
| AOCI Attributable to Parent, Net of Tax [Roll Forward] | ||||||
| Balance at beginning of period | (779,997) | (2,794,347) | (1,197,281) | (1,915,834) | ||
| Other Comprehensive income (loss) before reclassifications | (23,617) | (437,811) | 123,701 | (1,675,287) | ||
| Amounts reclassified from accumulated other comprehensive income | 345,292 | 359,503 | 615,258 | 718,466 | ||
| Comprehensive Income | 321,675 | (78,308) | 738,959 | (956,821) | ||
| Balance at end of period | $ (458,322) | $ (2,872,655) | $ (458,322) | $ (2,872,655) | ||
| ||||||
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent. No definition available.
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Comprehensive Income (Reclassification Out of Accumulated Other Comprehensive Income) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Reclassification Out of Accumulated Other Comprehensive Income [Line Items] | ||||
| Provision for Income Taxes | $ (39,407,816) | $ (41,123,468) | $ (76,715,979) | $ (80,413,086) |
| Amounts Reclassified from Other Comprehensive Income | ||||
| Reclassification Out of Accumulated Other Comprehensive Income [Line Items] | ||||
| Total reclassifications for the period | 199,914 | (375,579) | 94,666 | (1,035,313) |
| Amounts Reclassified from Other Comprehensive Income | Unrealized gains on available-for-sale securities: | ||||
| Reclassification Out of Accumulated Other Comprehensive Income [Line Items] | ||||
| Realized gain (loss) on sale of securities | 838,778 | (24,733) | 1,092,191 | (487,457) |
| Provision for Income Taxes | (293,572) | 8,657 | (382,267) | 170,610 |
| Total reclassifications for the period | 545,206 | (16,076) | 709,924 | (316,847) |
| Amounts Reclassified from Other Comprehensive Income | Unrealized gains (losses) on derivatives | ||||
| Reclassification Out of Accumulated Other Comprehensive Income [Line Items] | ||||
| Realized gain (loss) on sale of securities | (531,219) | (553,083) | (946,552) | (1,105,333) |
| Provision for Income Taxes | 185,927 | 193,580 | 331,294 | 386,867 |
| Total reclassifications for the period | $ (345,292) | $ (359,503) | $ (615,258) | $ (718,466) |
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- Definition This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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Debt and Financing Arrangements (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Oct. 01, 2014 |
Sep. 27, 2013 |
||||
| Debt Instrument [Line Items] | |||||||||||
| Long-term debt | $ 9,375,000 | $ 9,375,000 | $ 178,125,000 | [1] | |||||||
| Financial Liabilities: | |||||||||||
| Effect of 1% in increase on borrowing rate (less than) | 100,000 | 100,000 | |||||||||
| Interest Rate Swap [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Amount of hedged item | $ 150,000,000 | ||||||||||
| Notional amount of derivative | 150,000,000 | 150,000,000 | 150,000,000 | $ 150,000,000 | |||||||
| Fixed interest rate of derivative | 1.89% | ||||||||||
| Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] | |||||||||||
| Financial assets: | |||||||||||
| Interest Rate Swap Asset | 0 | 0 | 0 | ||||||||
| Financial Liabilities: | |||||||||||
| Interest Rate Swap Liability (Other Accrued Liabilities) | 904,955 | 904,955 | $ 1,841,970 | ||||||||
| Other, Net [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Payments of financing costs | 700,000 | $ 800,000 | 1,600,000 | $ 1,700,000 | |||||||
| Other, Net [Member] | Interest Rate Swap [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Interest expense | 400,000 | $ 600,000 | $ 900,000 | $ 1,100,000 | |||||||
| LIBOR Rate [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Basis spread on variable rate | 2.23% | ||||||||||
| Term Loan and Revolving Facility [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Partial repayment of debt | 26,900,000 | $ 68,800,000 | |||||||||
| Revolving Facility [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Partial repayment of debt | 20,000,000 | ||||||||||
| Term Loan [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Partial repayment of debt | 5,000,000 | ||||||||||
| Credit Agreement [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Short-term debt | $ 100,000,000 | ||||||||||
| Credit Agreement [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Additional principal amount available | $ 75,000,000 | ||||||||||
| Revolving Facility [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Principal amount | 150,000,000 | ||||||||||
| Long-term debt | 0 | 0 | |||||||||
| Term Loan [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Principal amount | 150,000,000 | ||||||||||
| Long-term debt | 116,900,000 | 116,900,000 | |||||||||
| Annual principal repayments | $ 7,500,000 | $ 7,500,000 | |||||||||
| Swing Loans [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Additional principal amount available | 20,000,000 | ||||||||||
| Letters of Credit [Member] | |||||||||||
| Debt Instrument [Line Items] | |||||||||||
| Additional principal amount available | $ 20,000,000 | ||||||||||
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- Definition Debt Instrument, Additional Borrowings Available Face Amount No definition available.
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| X | ||||||||||
- Definition Effect of One Percentage Point Increase on Borrowing Rate to Interest Expense No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of the total principal payments made during the annual reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument. No definition available.
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| X | ||||||||||
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fixed interest rate related to the interest rate derivative. No definition available.
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Nominal or face amount used to calculate payments on the derivative liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Gross amount of debt extinguished. No definition available.
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- References No definition available.
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The cash outflow for loan and debt issuance costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Equity (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Equity [Abstract] | ||||
| Common stock issued under stock compensation plan (in shares) | 2,126,386 | |||
| Stock repurchased (in shares) | 3,655,278 | |||
| Net decrease in period (in shares) | 1,528,892 | |||
| Increase in quarterly cash dividend rate (in dollars per share) | $ 0.01 | |||
| Dividends declared (in dollars per share) | $ 0.10 | $ 0.09 | $ 0.19 | $ 0.175 |
| Dividends declared | $ 28.6 | |||
| X | ||||||||||
- Definition Increase In Cash Dividend Rate No definition available.
|
| X | ||||||||||
- Definition Net Decrease in Common Stock Shares from Shares Issued in Share Based Compensation and Shares Repurchased No definition available.
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| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Segment Reporting (Schedule Of Automotive And Other Segment Reporting) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Segment Reporting Information [Line Items] | ||||
| Revenue | $ 443,139,073 | $ 423,800,778 | $ 896,674,323 | $ 829,368,564 |
| Income from operations | 125,864,514 | 128,745,721 | 260,291,634 | 249,594,711 |
| Automotive Products | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenue | 433,922,260 | 414,403,115 | 879,574,835 | 808,372,062 |
| Income from operations | 123,222,811 | 125,571,809 | 255,727,768 | 241,552,426 |
| Other | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenue | 9,216,813 | 9,397,663 | 17,099,488 | 20,996,502 |
| Income from operations | $ 2,641,703 | $ 3,173,912 | $ 4,563,866 | $ 8,042,285 |
| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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| X | ||||||||||
- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Mar. 31, 2017 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Income Tax Disclosure [Abstract] | ||||
| Effective income tax rate | 29.20% | 32.50% | ||
| Favorable discrete items | $ 5.8 | |||
| Change in tax method | 3.8 | |||
| Recognized a discrete tax benefit | $ 0.2 | $ 1.8 | $ 2.0 | |
| X | ||||||||||
- Definition Effective Income Tax Rate Reconciliation, Change in Tax Method, Amount No definition available.
|
| X | ||||||||||
- Definition Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount No definition available.
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| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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