$GNTX
GENTEX CORP Stock $gntx

$gntx Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-K Financial Statement

#000035581118000009 Filed on February 21, 2018

Income Statement

Concept	2017 Q4	2017 Q3	2017
Revenue	$459.6M	$438.6M	$1.795B
YoY Change	9.44%	2.09%	6.91%
Cost Of Revenue	$279.3M	$267.4M	$1.100B
YoY Change	11.41%	4.53%	8.89%
Gross Profit	$180.3M	$171.2M	$694.5M
YoY Change	6.58%	-1.49%	3.9%
Gross Profit Margin	39.23%	39.04%	38.7%
Selling, General & Admin	$21.70M	$17.39M	$71.44M
YoY Change	29.94%	8.5%	14.36%
% of Gross Profit	12.04%	10.15%	10.29%
Research & Development	$24.60M	$24.77M	$99.73M
YoY Change	0.41%	5.03%	5.82%
% of Gross Profit	13.64%	14.47%	14.36%
Depreciation & Amortization	$24.70M	$24.50M	$99.57M
YoY Change	25.38%	6.06%	12.4%
% of Gross Profit	13.7%	14.31%	14.34%
Operating Expenses	$46.30M	$42.16M	$171.2M
YoY Change	12.11%	6.43%	9.23%
Operating Profit	$134.0M	$129.1M	$523.4M
YoY Change	4.74%	-3.83%	2.27%
Interest Expense	$3.400M	$1.400M	$6.400M
YoY Change	161.54%	1300.0%	392.31%
% of Operating Profit	2.54%	1.08%	1.22%
Other Income/Expense, Net	$800.0K	$1.759M	$8.438M
YoY Change	-500.0%	1420.64%	-813.81%
Pretax Income	$138.2M	$130.8M	$531.8M
YoY Change	7.05%	-2.6%	4.16%
Income Tax	-$29.50M	$40.60M	$125.0M
% Of Pretax Income	-21.35%	31.03%	23.51%
Net Earnings	$130.5M	$90.23M	$406.8M
YoY Change	46.99%	-1.99%	17.03%
Net Earnings / Revenue	28.39%	20.57%	22.66%
Basic Earnings Per Share	$0.46	$0.32	$1.42
Diluted Earnings Per Share	$0.46	$0.31	$1.41
COMMON SHARES
Basic Shares Outstanding	283.9M shares	284.7M shares	285.9M shares
Diluted Shares Outstanding		287.0M shares	288.2M shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2017
SHORT-TERM ASSETS
Cash & Short-Term Investments	$722.3M	$740.7M	$722.3M
YoY Change	-0.17%	7.85%	-0.17%
Cash & Equivalents	$569.7M	$562.0M	$569.7M
Short-Term Investments	$152.5M	$178.7M	$152.5M
Other Short-Term Assets	$14.40M	$16.00M	$14.40M
YoY Change	-52.94%	18.52%	-52.94%
Inventory	$216.8M	$206.7M	$216.8M
Prepaid Expenses
Receivables	$231.1M	$240.5M	$231.1M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.185B	$1.204B	$1.185B
YoY Change	2.56%	8.57%	2.56%
LONG-TERM ASSETS
Property, Plant & Equipment	$492.5M	$493.7M	$492.5M
YoY Change	5.72%	9.51%	5.73%
Goodwill	$307.4M	$307.4M
YoY Change	0.0%	0.01%
Intangibles	$289.0M	$293.8M
YoY Change	-6.26%	-6.16%
Long-Term Investments	$57.80M	$51.70M	$57.80M
YoY Change	15.83%	-10.09%	15.83%
Other Assets	$675.0M	$674.1M
YoY Change	-2.0%	-3.52%
Total Long-Term Assets	$1.167B	$1.168B	$1.168B
YoY Change	1.11%	1.59%	1.12%
TOTAL ASSETS
Total Short-Term Assets	$1.185B	$1.204B	$1.185B
Total Long-Term Assets	$1.167B	$1.168B	$1.168B
Total Assets	$2.352B	$2.372B	$2.352B
YoY Change	1.84%	5.02%	1.84%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$89.90M	$79.90M	$89.90M
YoY Change	12.42%	12.54%	12.38%
Accrued Expenses	$75.75M	$185.0M	$47.40M
YoY Change	8.38%	116.45%	32.03%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$78.00M
YoY Change			940.0%
Long-Term Debt Due	$78.00M
YoY Change	940.0%
Total Short-Term Liabilities	$243.6M	$264.9M	$243.6M
YoY Change	62.59%	69.3%	62.51%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change	-100.0%	-100.0%	-100.0%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$0.00	$0.00	$0.00
YoY Change	-100.0%	-100.0%	-100.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$243.6M	$264.9M	$243.6M
Total Long-Term Liabilities	$0.00	$0.00	$0.00
Total Liabilities	$302.5M	$345.4M	$302.5M
YoY Change	-24.21%	-14.09%	-24.22%
SHAREHOLDERS EQUITY
Retained Earnings	$1.302B	$1.290B
YoY Change	7.52%	8.91%
Common Stock	$740.3M	$730.7M
YoY Change	5.65%	8.64%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.050B	$2.026B	$2.050B
YoY Change
Total Liabilities & Shareholders Equity	$2.352B	$2.372B	$2.352B
YoY Change	1.84%	5.02%	1.84%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2017
OPERATING ACTIVITIES
Net Income	$130.5M	$90.23M	$406.8M
YoY Change	46.99%	-1.99%	17.03%
Depreciation, Depletion And Amortization	$24.70M	$24.50M	$99.57M
YoY Change	25.38%	6.06%	12.4%
Cash From Operating Activities	$148.4M	$89.00M	$501.0M
YoY Change	23.05%	-12.14%	5.02%
INVESTING ACTIVITIES
Capital Expenditures	-$17.90M	-$29.90M	-$104.0M
YoY Change	-47.81%	-18.75%	-18.88%
Acquisitions
YoY Change
Other Investing Activities	$20.70M	$6.700M	$26.30M
YoY Change	-223.21%	-46.83%	-121.35%
Cash From Investing Activities	$2.900M	-$23.30M	-$77.71M
YoY Change	-105.68%	-3.72%	-69.09%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$183.6M
YoY Change			123.75%
Debt Paid & Issued, Net			$107.6M
YoY Change			126.58%
Cash From Financing Activities	-143.5M	-84.30M	-$400.0M
YoY Change	149.13%	100.71%	73.41%
NET CHANGE
Cash From Operating Activities	148.4M	89.00M	$501.0M
Cash From Investing Activities	2.900M	-23.30M	-$77.71M
Cash From Financing Activities	-143.5M	-84.30M	-$400.0M
Net Change In Cash	7.800M	-18.60M	$23.26M
YoY Change	-34.45%	-152.99%	-557.78%
FREE CASH FLOW
Cash From Operating Activities	$148.4M	$89.00M	$501.0M
Capital Expenditures	-$17.90M	-$29.90M	-$104.0M
Free Cash Flow	$166.3M	$118.9M	$605.0M
YoY Change	7.36%	-13.9%	-0.04%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2017	dei	Amendment Flag AmendmentFlag	false
CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-12-31
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0000355811
CY2018Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	274421032	shares
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q2	dei	Entity Public Float EntityPublicFloat	5284326964	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	GENTEX CORP
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2016	gntx	Allowance For Obsolete And Slow Moving Inventories AllowanceForObsoleteAndSlowMovingInventories	6100000	USD
CY2017	gntx	Allowance For Obsolete And Slow Moving Inventories AllowanceForObsoleteAndSlowMovingInventories	6600000	USD
CY2017Q4	gntx	Allowance For Obsolete And Slow Moving Inventories Percent AllowanceForObsoleteAndSlowMovingInventoriesPercent	0.03
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CY2017Q4	gntx	Effectof One Percentage Point Increaseon Borrowing Rateto Interest Expense EffectofOnePercentagePointIncreaseonBorrowingRatetoInterestExpense	100000	USD
CY2015Q3	gntx	Effectof One Percentage Point Increaseon Borrowing Rateto Interest Expense EffectofOnePercentagePointIncreaseonBorrowingRatetoInterestExpense	100000	USD
CY2015	gntx	Gain On Disposition On Assets GainOnDispositionOnAssets	10900	USD
CY2016	gntx	Gain On Disposition On Assets GainOnDispositionOnAssets	146261	USD
CY2017	gntx	Gain On Disposition On Assets GainOnDispositionOnAssets	188150	USD
CY2015	gntx	Issuance Of Common Stock And Tax Benefit Of Stock Plan Transactions Value IssuanceOfCommonStockAndTaxBenefitOfStockPlanTransactionsValue	33006225	USD
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CY2017	gntx	Loss On Disposition Of Assets LossOnDispositionOfAssets	299174	USD
CY2017Q4	gntx	Number Of Customers Which Individually Accounted For10 Percent Or More Of Net Sales NumberOfCustomersWhichIndividuallyAccountedFor10PercentOrMoreOfNetSales	4	automotive_customer
CY2016Q4	gntx	Patentsand Other Assets Net PatentsandOtherAssetsNet	23273129	USD
CY2017Q4	gntx	Patentsand Other Assets Net PatentsandOtherAssetsNet	20887496	USD
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CY2015	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	20700000	USD
CY2016	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	22100000	USD
CY2017	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	24600000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	129379597	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	132563597	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	140469497	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	139590194	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2908000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	136124497	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	133166194	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	276000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	540000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2440000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3805000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3984000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	12558000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	22500000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-14585412	USD
CY2016Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	26908776	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	16821087	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	13058458	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	22498361	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-14996179	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	98121395	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	75709731	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	26908776	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	16821087	USD
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3924945	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3679680	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	18701361	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	8594640	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	4282470	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	4546767	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	71212620	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	58888644	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Patent Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedPatentCosts	23225969	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Patent Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedPatentCosts	18972334	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	5368886	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	4172726	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2449012	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4347885	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	1435322	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	2093105	USD
CY2015	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	5700000	USD
CY2016	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	6500000	USD
CY2017	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	7700000	USD
CY2015	us-gaap	Depreciation Depreciation	58100000	USD
CY2016	us-gaap	Depreciation Depreciation	66300000	USD
CY2017	us-gaap	Depreciation Depreciation	77000000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	80599167	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	88587430	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	99570908	USD
CY2016	us-gaap	Derivative Net Hedge Ineffectiveness Gain Loss DerivativeNetHedgeIneffectivenessGainLoss	0	USD
CY2017	us-gaap	Derivative Net Hedge Ineffectiveness Gain Loss DerivativeNetHedgeIneffectivenessGainLoss	-100000	USD
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	98130083	USD
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	102268251	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	110946799	USD
CY2016Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	25896376	USD
CY2017Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	28028132	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.09
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.21
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.34
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.42
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.08
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.28
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.30
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.19
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.33
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.41
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.3130
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.3190
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.2350
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.0000
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.0000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.0720
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0.0280
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0.0270
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0.0280
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0010
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0010
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.0050
CY2015	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0040
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0050
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0050
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.0000
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.0000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.0080
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.0080
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.0080
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.0080
CY2016Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	12378007	USD
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	18502209	USD
CY2017Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	0	USD
CY2015	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	9666482	USD
CY2016	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	4239895	USD
CY2017	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	1309166	USD
CY2016Q4	us-gaap	Goodwill Goodwill	307365845	USD
CY2017Q4	us-gaap	Goodwill Goodwill	307365845	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2017	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	0	USD
CY2017	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	0	USD
CY2015	us-gaap	Gross Profit GrossProfit	603776052	USD
CY2016Q1	us-gaap	Gross Profit GrossProfit	158691000	USD
CY2016Q2	us-gaap	Gross Profit GrossProfit	166773000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	171230000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	180290000	USD
CY2017	us-gaap	Gross Profit GrossProfit	694528266	USD
CY2016	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2016Q3	us-gaap	Gross Profit GrossProfit	173822000	USD
CY2016Q4	us-gaap	Gross Profit GrossProfit	169167000	USD
CY2016	us-gaap	Gross Profit GrossProfit	668452244	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	175801000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	167208000	USD
CY2017	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	463591456	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	510560773	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	531796704	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	145121597	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	162969497	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	125004782	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	138000000	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	144100000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	126000000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-5103209	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	13609856	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	9934837	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	27960696	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	15622345	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	19530043	USD
CY2015	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	2904940	USD
CY2016	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	10793540	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	12947597	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	32937525	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	14616026	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	27454146	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2842635	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	7278166	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2646029	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	9530002	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4399366	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-16183673	USD
CY2016Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	308275000	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	288975000	USD
CY2016Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	41702500	USD
CY2017Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	47012262	USD
CY2016Q4	us-gaap	Inventory Net InventoryNet	189311437	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	216765583	USD
CY2016Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	115099569	USD
CY2017Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	139272129	USD
CY2016Q4	us-gaap	Liabilities Liabilities	399195599	USD
CY2017Q4	us-gaap	Liabilities Liabilities	302535651	USD
CY2016Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	226915559	USD
CY2017Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	207120473	USD
CY2016Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	32509368	USD
CY2017Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	30481192	USD
CY2015	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	4990811	USD
CY2016	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	4787128	USD
CY2017	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	9442387	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2309619833	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2352053912	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	149857979	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	243647007	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	178125000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	0	USD
CY2016Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	7500000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	78000000	USD
CY2016Q4	us-gaap	Long Term Investments LongTermInvestments	49894363	USD
CY2017Q4	us-gaap	Long Term Investments LongTermInvestments	57782418	USD
CY2015	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	2705601	USD
CY2016	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	3919698	USD
CY2017	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	375388	USD
CY2016Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	721713250	USD
CY2017Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	790833278	USD
CY2015	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1400000	USD
CY2016	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1900000	USD
CY2017	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2600000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-210550768	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-230682529	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-400032789	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-89737661	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-251446108	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-77712570	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	354416152	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	477048185	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	501002780	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	318469859	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	80280000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	86485000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	92065000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	88761000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	347591276	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	97557000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	88536000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	90230000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	130469000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	406791922	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	4825017	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1182162	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	8438352	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	145009613	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	156709309	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	171169914	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	458766439	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	120849000	USD
CY2016Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	128746000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	134212000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	127936000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	511742935	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	134427000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	125865000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	129073000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	133994000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	523358352	USD
CY2016Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	11614716	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	14197321	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	688808337	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	675010759	USD
CY2015	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-18364260	USD
CY2016	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	1301328	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	11133661	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-1448808	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-2818090	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	3508029	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-12443851	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-140469	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	8464688	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12443851	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-140469	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	8464688	USD
CY2015	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-5920409	USD
CY2016	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	1441798	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	2668973	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-1471736	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	1105468	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	1721933	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-15443716	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	3013951	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	5903699	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-165794	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-5969290	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	216670674	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	29874960	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1004035	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	111228825	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	47513972	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	163361221	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	231363216	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	96990439	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	101131356	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	108815040	USD
CY2015	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	97941762	USD
CY2016	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	120955614	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	104040919	USD
CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2016Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	30587575	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	14403902	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	30168496	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	81310048	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	47770467	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	5500000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	23100000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	58517164	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	87293155	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	30207523	USD
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	43544	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	665191	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	249757	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1047053772	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1144262514	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	465822467	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	492479330	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	32500000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	47500000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	107625000	USD
CY2015	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	88392919	USD
CY2016	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	94238032	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	99726438	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1210984825	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1301997327	USD
CY2016Q3	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	429643000	USD
CY2016Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	419913000	USD
CY2016	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1678924756	USD
CY2017Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	453535000	USD
CY2015	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1543617706	USD
CY2016Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	405568000	USD
CY2016Q2	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	423801000	USD
CY2017Q2	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	443139000	USD
CY2017Q3	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	438628000	USD
CY2017Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	459570000	USD
CY2017	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1794872578	USD
CY2015	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	56616694	USD
CY2016	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	62471277	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	71443476	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	21430991	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	19192699	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	18376965	USD
CY2016Q4	us-gaap	Short Term Investments ShortTermInvestments	177021197	USD
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	152538054	USD
CY2015	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	111228825	USD
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	163361221	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	231363216	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	1571412445	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	1722516761	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	1910424234	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	2049518261	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	8288000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5375000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3408000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4435000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	336000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2949000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	63000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	4162000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1765000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	756000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	941000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	428000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	487000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	289000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	277000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	433000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	608000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	261000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	140000	USD
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3141687	shares
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2638544	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2361092	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	296237899	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	291072316	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	288226089	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	293096212	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	288433772	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	285864997	shares
CY2017	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:10px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;text-decoration:underline;">Estimates</font></div><div style="line-height:120%;padding-top:10px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0000355811-18-000009-index-headers.html	Edgar Link	pending
0000355811-18-000009-index.html	Edgar Link	pending
0000355811-18-000009.txt	Edgar Link	pending
0000355811-18-000009-xbrl.zip	Edgar Link	pending
chart-a92b28ce28055fe49a0.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gntx-20171231.xml	Edgar Link	completed
gntx-20171231.xsd	Edgar Link	pending
gntx-20171231_cal.xml	Edgar Link	unprocessable
gntx-20171231_def.xml	Edgar Link	unprocessable
gntx-20171231_lab.xml	Edgar Link	unprocessable
gntx-20171231_pre.xml	Edgar Link	unprocessable
gntx12312017-10k.htm	Edgar Link	pending
gntx12312017-ex1019.htm	Edgar Link	pending
gntx12312017-ex1020.htm	Edgar Link	pending
gntx12312017-ex1021.htm	Edgar Link	pending
gntx12312017-ex1022.htm	Edgar Link	pending
gntx12312017-ex21.htm	Edgar Link	pending
gntx12312017-ex231.htm	Edgar Link	pending
gntx12312017-ex311.htm	Edgar Link	pending
gntx12312017-ex312.htm	Edgar Link	pending
gntx12312017-ex32.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$GNTX
GENTEX CORP Stock $gntx

2017 Q4 Form 10-K Financial Statement

#000035581118000009 Filed on February 21, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GNTX GENTEX CORP Stock $gntx

2017 Q4 Form 10-K Financial Statement

#000035581118000009 Filed on February 21, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GNTX
GENTEX CORP Stock $gntx