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OPERATING SEGMENT INFORMATION (Schedule of Operating Segment Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net Sales	$ 178,246	$ 145,705	$ 562,694	$ 399,608
Income (Loss) Before Income Taxes	48,024	32,894	160,680	78,404
Identifiable Assets	420,061		420,061		$ 348,258
Firearms [Member]
Segment Reporting Information [Line Items]
Net Sales	177,529	145,157	560,578	397,335
Income (Loss) Before Income Taxes	48,139	33,659	161,941	78,859
Identifiable Assets	197,158		197,158		174,500
Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	717	548	2,116	2,273
Income (Loss) Before Income Taxes	(753)	(633)	(2,084)	(1,356)
Identifiable Assets	13,456		13,456		11,959
Corporate [Member]
Segment Reporting Information [Line Items]
Income (Loss) Before Income Taxes	638	(132)	823	901
Identifiable Assets	209,447		209,447		$ 161,799
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net Sales	(5,774)	(5,996)	(19,995)	(15,784)
Intersegment Elimination [Member] | Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	5,774	5,996	19,995	15,784
Operating Segments [Member] | Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 6,491	$ 6,544	$ 22,111	$ 18,057

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