Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Schedule of Automotive and Other Segment Reporting

	2018		2017		2016
Revenue:
Automotive Products
United States	$	583,672,971	$	567,492,812	$	554,945,912
Germany	333,002,878		351,123,204		328,208,190
Japan	209,311,790		185,261,067		154,005,299
Other Countries	665,210,657		654,250,385		602,532,841
Other	42,865,401		36,745,110		39,232,514
Total	$	1,834,063,697	$	1,794,872,578	$	1,678,924,756
Income (Loss) from Operations:
Automotive Products	$	495,471,799	$	512,895,699	$	497,753,966
Other	12,653,748		10,462,653		13,988,969
Total	$	508,125,547	$	523,358,352	$	511,742,935
Assets:
Automotive Products	$	1,449,910,935	$	1,472,061,650	$	1,457,989,335
Other	14,333,098		9,576,514		9,384,154
Corporate	621,190,035		870,415,748		842,246,344
Total	$	2,085,434,068	$	2,352,053,912	$	2,309,619,833
Depreciation & Amortization:
Automotive Products	$	97,279,052	$	95,378,100	$	86,567,248
Other	422,844		300,935		290,296
Corporate	4,484,918		3,891,873		1,729,886
Total	$	102,186,814	$	99,570,908	$	88,587,430
Capital Expenditures:
Automotive Products	$	84,337,455	$	82,703,576	$	99,811,083
Other	1,447,494		170,357		200,262
Corporate	205,621		21,166,986		20,944,269
Total	$	85,990,570	$	104,040,919	$	120,955,614

Schedule of Major Product Line Revenues

Other includes Dimmable Aircraft Windows and Fire Protection Products. Major product line revenues included within these segments are as follows:

	2018		2017		2016
Automotive Products
Automotive Mirrors	$	1,598,589,777	$	1,573,222,820	$	1,456,963,758
HomeLink® Modules*	192,608,519		184,904,648		182,728,485
Total Automotive Products	$	1,791,198,296	$	1,758,127,468	$	1,639,692,243
Other Products Revenue	$	42,865,401	$	36,745,110	$	39,232,513
Total Revenue	$	1,834,063,697	$	1,794,872,578	$	1,678,924,756

*Excludes HomeLink^® revenue integrated into automotive mirrors.

Schedule of Automotive Customers Individually Accounted For 10% or More of Net Sales

In 2018, the Company had three automotive customers (including direct sales to OEM customers and sales through their Tier 1 suppliers), which individually accounted for 10% or more of net sales as follows:

	Toyota Motor Company		Volkswagen Group		Ford Motor Company		Daimler Group
2018	13	%	15	%	#		10	%
2017	12	%	15	%	10	%	10	%
2016	11	%	14	%	11	%	#

# - Less than 10 percent.