Consolidated Statements of Income - USD ($)		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
NET SALES		$ 1,731,169,929	$ 1,688,189,405	$ 1,858,897,406
COST OF GOODS SOLD		1,111,462,082	1,082,745,885	1,170,589,437
Gross profit		619,707,847	605,443,520	688,307,969
OPERATING EXPENSES:
Engineering, research and development		117,763,676	115,935,047	114,687,309
Selling, general and administrative		92,162,193	89,952,381	85,083,056
Total operating expenses		209,925,869	205,887,428	199,770,365
Income from operations		409,781,978	399,556,092	488,537,604
OTHER INCOME:
Investment income		3,589,798	6,986,303	11,230,696
Other income, net		2,979,960	5,270,534	647,034
Total other income		6,569,758	12,256,837	11,877,730
Income before provision for income taxes		416,351,736	411,812,929	500,415,334
PROVISION FOR INCOME TAXES		55,554,504	64,249,308	75,731,395
NET INCOME		$ 360,797,232	$ 347,563,621	$ 424,683,939
EARNINGS PER SHARE:
Basic (in dollars per share)	[1]	$ 1.51	$ 1.41	$ 1.67
Diluted (in dollars per share)	[1]	1.50	1.41	1.66
Cash Dividends Declared per Share (in dollars per share)		$ 0.480	$ 0.48	$ 0.46

[1] (1) Earnings Per Share has been adjusted to exclude the portion of net income allocated to participating securities as a result of share-based payment awards