$GNTX
GENTEX CORP Stock $gntx

$gntx Overview Financials Valuation SEC Filings Company Website

2019 Q1 Form 10-Q Financial Statement

#000035581119000020 Filed on May 03, 2019

Income Statement

Concept	2019 Q1	2018 Q1
Revenue	$468.6M	$465.4M
YoY Change	0.68%	2.62%
Cost Of Revenue	$298.9M	$292.8M
YoY Change	2.1%	5.42%
Gross Profit	$169.6M	$172.6M
YoY Change	-1.73%	-1.8%
Gross Profit Margin	36.2%	37.09%
Selling, General & Admin	$19.96M	$18.06M
YoY Change	10.49%	11.36%
% of Gross Profit	11.77%	10.46%
Research & Development	$28.09M	$26.05M
YoY Change	7.83%	3.57%
% of Gross Profit	16.56%	15.09%
Depreciation & Amortization	$28.10M	$28.05M
YoY Change	0.19%	11.38%
% of Gross Profit	16.56%	16.25%
Operating Expenses	$48.05M	$44.11M
YoY Change	8.92%	6.62%
Operating Profit	$121.6M	$128.5M
YoY Change	-5.38%	-4.4%
Interest Expense	$3.300M	$1.500M
YoY Change	120.0%	150.0%
% of Operating Profit	2.71%	1.17%
Other Income/Expense, Net	$3.312M	$3.245M
YoY Change	2.08%	641.14%
Pretax Income	$124.9M	$131.8M
YoY Change	-5.2%	-2.3%
Income Tax	$20.63M	$20.51M
% Of Pretax Income	16.51%	15.57%
Net Earnings	$104.3M	$111.2M
YoY Change	-6.26%	14.03%
Net Earnings / Revenue	22.25%	23.9%
Basic Earnings Per Share	$0.40	$0.40
Diluted Earnings Per Share	$0.40	$0.40
COMMON SHARES
Basic Shares Outstanding	257.8M shares	274.8M shares
Diluted Shares Outstanding	259.1M shares	277.5M shares

Balance Sheet

Concept	2019 Q1	2018 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$402.0M	$676.5M
YoY Change	-40.58%	-8.12%
Cash & Equivalents	$221.7M	$524.3M
Short-Term Investments	$180.3M	$152.2M
Other Short-Term Assets	$14.80M	$11.50M
YoY Change	28.7%	-1.71%
Inventory	$225.3M	$207.2M
Prepaid Expenses
Receivables	$244.3M	$246.4M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$886.4M	$1.142B
YoY Change	-22.36%	-4.43%
LONG-TERM ASSETS
Property, Plant & Equipment	$492.6M	$496.3M
YoY Change	-0.74%	4.89%
Goodwill	$307.4M	$307.4M
YoY Change	0.0%	0.0%
Intangibles	$264.9M	$284.2M
YoY Change	-6.79%	-6.36%
Long-Term Investments	$126.5M	$3.200M
YoY Change	3853.13%	-94.8%
Other Assets	$721.4M	$616.4M
YoY Change	17.03%	-11.39%
Total Long-Term Assets	$1.214B	$1.113B
YoY Change	9.11%	-4.8%
TOTAL ASSETS
Total Short-Term Assets	$886.4M	$1.142B
Total Long-Term Assets	$1.214B	$1.113B
Total Assets	$2.100B	$2.254B
YoY Change	-6.83%	-4.61%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$90.12M	$77.31M
YoY Change	16.57%	-0.52%
Accrued Expenses	$94.38M	$100.9M
YoY Change	-6.43%	-48.71%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$50.00M
YoY Change	-100.0%
Long-Term Debt Due		$50.00M
YoY Change
Total Short-Term Liabilities	$184.5M	$228.2M
YoY Change	-19.14%	-16.83%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change		-100.0%
Other Long-Term Liabilities	$5.509M
YoY Change
Total Long-Term Liabilities	$5.509M	$0.00
YoY Change		-100.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$184.5M	$228.2M
Total Long-Term Liabilities	$5.509M	$0.00
Total Liabilities	$243.3M	$284.4M
YoY Change	-14.45%	-26.81%
SHAREHOLDERS EQUITY
Retained Earnings	$1.093B	$1.209B
YoY Change	-9.55%	-3.66%
Common Stock	$764.0M	$758.9M
YoY Change	0.67%	5.52%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.857B	$1.970B
YoY Change
Total Liabilities & Shareholders Equity	$2.100B	$2.254B
YoY Change	-6.83%	-4.61%

Cashflow Statement

Concept	2019 Q1	2018 Q1
OPERATING ACTIVITIES
Net Income	$104.3M	$111.2M
YoY Change	-6.26%	14.03%
Depreciation, Depletion And Amortization	$28.10M	$28.05M
YoY Change	0.19%	11.38%
Cash From Operating Activities	$133.8M	$147.4M
YoY Change	-9.23%	12.39%
INVESTING ACTIVITIES
Capital Expenditures	-$16.80M	-$26.20M
YoY Change	-35.88%	-5.42%
Acquisitions
YoY Change
Other Investing Activities	$1.900M	$55.70M
YoY Change	-96.59%	-732.95%
Cash From Investing Activities	-$14.90M	$29.47M
YoY Change	-150.55%	-180.74%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$85.75M	$166.3M
YoY Change	-48.44%	1109.57%
Debt Paid & Issued, Net	$0.00	$28.00M
YoY Change	-100.0%	-33.13%
Cash From Financing Activities	-$114.3M	-$222.3M
YoY Change	-48.6%	172.73%
NET CHANGE
Cash From Operating Activities	$133.8M	$147.4M
Cash From Investing Activities	-$14.90M	$29.47M
Cash From Financing Activities	-$114.3M	-$222.3M
Net Change In Cash	$4.663M	-$45.41M
YoY Change	-110.27%	-444.84%
FREE CASH FLOW
Cash From Operating Activities	$133.8M	$147.4M
Capital Expenditures	-$16.80M	-$26.20M
Free Cash Flow	$150.6M	$173.6M
YoY Change	-13.25%	9.29%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019Q1	dei	Entity Registrant Name EntityRegistrantName	GENTEX CORPORATION
CY2019Q1	dei	Document Type DocumentType	10-Q
CY2019Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000355811
CY2019Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2019Q1	dei	Amendment Flag AmendmentFlag	false
CY2019Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2019Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019Q1	dei	Document Period End Date DocumentPeriodEndDate	2019-03-31
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.110
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.115
CY2019Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	255581668	shares
CY2019Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	221688575	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	217025278	USD
CY2019Q1	us-gaap	Short Term Investments ShortTermInvestments	180313222	USD
CY2018Q4	us-gaap	Short Term Investments ShortTermInvestments	169412999	USD
CY2019Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	244266296	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	213537799	USD
CY2019Q1	us-gaap	Inventory Net InventoryNet	225303042	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	225281599	USD
CY2019Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	14824876	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	25672579	USD
CY2019Q1	us-gaap	Assets Current AssetsCurrent	886396011	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	850930254	USD
CY2019Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	492613112	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	498473766	USD
CY2019Q1	us-gaap	Goodwill Goodwill	307365845	USD
CY2018Q4	us-gaap	Goodwill Goodwill	307365845	USD
CY2019Q1	us-gaap	Long Term Investments LongTermInvestments	126528508	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	0	USD
CY2019Q1	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	53287636	USD
CY2018Q4	us-gaap	Long Term Investments LongTermInvestments	137979082	USD
CY2019Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	264850000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	269675000	USD
CY2019Q1	gntx	Patentand Other Assets Net PatentandOtherAssetsNet	22612152	USD
CY2018Q4	gntx	Patentand Other Assets Net PatentandOtherAssetsNet	21010121	USD
CY2019Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	721356505	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	736030048	USD
CY2019Q1	us-gaap	Assets Assets	2100365628	USD
CY2018Q4	us-gaap	Assets Assets	2085434068	USD
CY2019Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	90117496	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	92810316	USD
CY2019Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	94376376	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	76350603	USD
CY2019Q1	us-gaap	Liabilities Current LiabilitiesCurrent	184493872	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	169160919	USD
CY2019Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5509373	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	54521489	USD
CY2019Q1	us-gaap	Liabilities Liabilities	243290881	USD
CY2018Q4	us-gaap	Liabilities Liabilities	223682408	USD
CY2019Q1	us-gaap	Common Stock Value CommonStockValue	15335060	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	15559717	USD
CY2019Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	748641461	USD
CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	745324144	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1093373960	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1102468137	USD
CY2019Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-275734	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1600338	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	1857074747	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1861751660	USD
CY2019Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2100365628	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2085434068	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	468588997	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	465420105	USD
CY2019Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	298944494	USD
CY2018Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	292791704	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	169644503	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	172628401	USD
CY2019Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	28089181	USD
CY2018Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	26049258	USD
CY2019Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	19958991	USD
CY2018Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	18063810	USD
CY2019Q1	us-gaap	Operating Expenses OperatingExpenses	48048172	USD
CY2018Q1	us-gaap	Operating Expenses OperatingExpenses	44113068	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	121596331	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	128515333	USD
CY2019Q1	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	3262741	USD
CY2018Q1	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	2037605	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	49469	USD
CY2018Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1206993	USD
CY2019Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	3312210	USD
CY2018Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	3244598	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	124908541	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	131759931	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20628130	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20511188	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	104280411	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	111248743	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.115
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.110
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	104280411	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	111248743	USD
CY2019Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	298999	USD
CY2018Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	1626178	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	0	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	67047	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	1298236	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-21280	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	1597235	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	1671945	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	272631	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	9611	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1324604	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1662334	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	105605015	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	112911077	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	2049518261	USD
CY2018Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	36267047	USD
CY2018Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	202572378	USD
CY2018Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3977471	USD
CY2018Q1	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	0	USD
CY2018Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	30123981	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	111248743	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1662333	USD
CY2018Q1	us-gaap	Stockholders Equity StockholdersEquity	1969977496	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1861751660	USD
CY2019Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	10514554	USD
CY2019Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	96267229	USD
CY2019Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4862947	USD
CY2019Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	29392200	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	104280411	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1324604	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	1857074747	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	104280411	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	111248743	USD
CY2019Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	28098804	USD
CY2018Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	28046434	USD
CY2019Q1	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	43338	USD
CY2018Q1	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	4374	USD
CY2019Q1	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-122296	USD
CY2018Q1	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-8677	USD
CY2019Q1	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	88576	USD
CY2018Q1	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	1245075	USD
CY2019Q1	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
CY2018Q1	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-529484	USD
CY2019Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1233853	USD
CY2018Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2746797	USD
CY2019Q1	us-gaap	Share Based Compensation ShareBasedCompensation	4862947	USD
CY2018Q1	us-gaap	Share Based Compensation ShareBasedCompensation	3977471	USD
CY2019Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	30728497	USD
CY2018Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	15305451	USD
CY2019Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	21443	USD
CY2018Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-9532631	USD
CY2019Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-10847705	USD
CY2018Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2872873	USD
CY2019Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2692820	USD
CY2018Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-12590570	USD
CY2019Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	20436582	USD
CY2018Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	23125002	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	133840218	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	147449048	USD
CY2019Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	17139689	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	53822052	USD
CY2019Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	3000000	USD
CY2018Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	3000000	USD
CY2019Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	18475158	USD
CY2018Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1213405	USD
CY2019Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	16844301	USD
CY2018Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	26247890	USD
CY2019Q1	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	117455	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	67400	USD
CY2019Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-164215	USD
CY2018Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-45322	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-14898100	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	29473479	USD
CY2019Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2018Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	28000000	USD
CY2019Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	10514554	USD
CY2018Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	36267047	USD
CY2019Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	28526146	USD
CY2018Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	28028132	USD
CY2019Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	96267229	USD
CY2018Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	202572378	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-114278821	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-222333463	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	4663297	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-45410936	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	217025278	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	569734496	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	221688575	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	524323560	USD
CY2018Q4	us-gaap	Goodwill Goodwill	307400000	USD
CY2019Q1	us-gaap	Goodwill Goodwill	307400000	USD
CY2019Q1	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	371000000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	106150000	USD
CY2019Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	264850000	USD
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	371000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	101325000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	22000000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	269675000	USD
CY2019Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5600000	USD
CY2018Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5700000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	22000000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	22000000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	21000000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	19000000	USD
CY2015	gntx	Cost Method Investment Ownership Percentage CostMethodInvestmentOwnershipPercentage	0.20
CY2019Q1	us-gaap	Cost Method Investments CostMethodInvestments	4100000	USD
CY2018Q4	us-gaap	Cost Method Investments CostMethodInvestments	3850000	USD
CY2019Q1	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	221688575	USD
CY2019Q1	us-gaap	Investments And Cash InvestmentsAndCash	524430305	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	217025278	USD
CY2018Q4	us-gaap	Investments And Cash InvestmentsAndCash	520567359	USD
CY2019Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	69283	USD
CY2019Q1	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	301641575	USD
CY2019Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1169438	USD
CY2019Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	69283	USD
CY2019Q1	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	302741730	USD
CY2018Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	303467531	USD
CY2018Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	440807	USD
CY2018Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	366257	USD
CY2018Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	303542081	USD
CY2019Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	69283	USD
CY2019Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	20786455	USD
CY2019Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2019Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2019Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	20786455	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	365824	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	68722980	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	433	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	3000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	366257	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	71722980	USD
CY2018Q1	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2019Q1	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2019Q1	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	103198478	USD
CY2019Q1	us-gaap	Inventory Raw Materials InventoryRawMaterials	143533414	USD
CY2018Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	139058541	USD
CY2019Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	35811334	USD
CY2018Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	35386615	USD
CY2019Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	45958294	USD
CY2018Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	50836443	USD
CY2019Q1	us-gaap	Inventory Net InventoryNet	225303042	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	225281599	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	104280411	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	111248743	USD
CY2019Q1	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1081933	USD
CY2018Q1	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	833316	USD
CY2018Q1	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	110415427	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	257822836	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	274759516	shares
CY2019Q1	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	103198478	USD
CY2018Q1	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	110415427	USD
CY2019Q1	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	3813	USD
CY2018Q1	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	6011	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	103202291	USD
CY2018Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	110421438	USD
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	257822836	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	274759516	shares
CY2019Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1282396	shares
CY2018Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2749912	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	259105232	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	277509428	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0256
CY2019Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y2M8D
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2019Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1799477	shares
CY2018Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	156467	shares
CY2019Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4786794	USD
CY2018Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3901316	USD
CY2019Q1	us-gaap	Share Based Goods And Nonemployee Services Transaction Capitalized Cost ShareBasedGoodsAndNonemployeeServicesTransactionCapitalizedCost	295973	USD
CY2018Q1	us-gaap	Share Based Goods And Nonemployee Services Transaction Capitalized Cost ShareBasedGoodsAndNonemployeeServicesTransactionCapitalizedCost	258651	USD
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0203
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0202
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2356
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2326
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0223
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.18
CY2018Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y2M8D
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.69
CY2019Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-275734	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2212989	USD
CY2018Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	500000	USD
CY2019Q1	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	4700000	shares
CY2019Q1	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	1000000.0	shares
CY2019Q1	gntx	Net Decreasein Common Stock Sharesfrom Shares Issuedin Share Based Compensationand Shares Repurchased NetDecreaseinCommonStockSharesfromSharesIssuedinShareBasedCompensationandSharesRepurchased	3700000	shares
CY2019Q1	gntx	Increase In Cash Dividend Rate IncreaseInCashDividendRate	0.005
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.115
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.110
CY2019Q1	us-gaap	Dividends Dividends	29400000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	468588997	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	465420105	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	121596331	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	128515333	USD
CY2019Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.165
CY2018Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.156
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	468588997	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	465420105	USD
CY2019Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y
CY2019Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.032
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1154357	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	558695	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	181979	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	53786	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	13687	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	15982	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1978486	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	29772	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	1948714	USD
CY2019Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1305696	USD
CY2019Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	643018	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	1948714	USD

Files In Submission

Name	View Source	Status
0000355811-19-000020-index-headers.html	Edgar Link	pending
0000355811-19-000020-index.html	Edgar Link	pending
0000355811-19-000020.txt	Edgar Link	pending
0000355811-19-000020-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gentexdeferredcomp.htm	Edgar Link	pending
gentexrabbitrust1.htm	Edgar Link	pending
gntx-20190331.htm	Edgar Link	pending
gntx-20190331.xsd	Edgar Link	pending
gntx-20190331_cal.xml	Edgar Link	unprocessable
gntx-20190331_def.xml	Edgar Link	unprocessable
gntx-20190331_htm.xml	Edgar Link	completed
gntx-20190331_lab.xml	Edgar Link	unprocessable
gntx-20190331_pre.xml	Edgar Link	unprocessable
gntx10q03312019-exx311.htm	Edgar Link	pending
gntx10q03312019-exx312.htm	Edgar Link	pending
gntx10q03312019-exx32.htm	Edgar Link	pending
image1.jpg	Edgar Link	pending
image2.gif	Edgar Link	pending
image3.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$GNTX
GENTEX CORP Stock $gntx

2019 Q1 Form 10-Q Financial Statement

#000035581119000020 Filed on May 03, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GNTX GENTEX CORP Stock $gntx

2019 Q1 Form 10-Q Financial Statement

#000035581119000020 Filed on May 03, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GNTX
GENTEX CORP Stock $gntx