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OPERATING SEGMENT INFORMATION (Schedule of Operating Segment Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net Sales	$ 200,072	$ 130,264	$ 384,449	$ 253,903
Income (Loss) Before Income Taxes	60,266	24,699	112,656	45,510
Identifiable Assets	398,876		398,876		$ 348,258
Firearms [Member]
Segment Reporting Information [Line Items]
Net Sales	199,447	129,413	383,049	252,178
Income (Loss) Before Income Taxes	61,316	24,722	113,802	45,200
Identifiable Assets	191,116		191,116		174,500
Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	625	851	1,400	1,725
Income (Loss) Before Income Taxes	(1,170)	(513)	(1,331)	(723)
Identifiable Assets	13,221		13,221		11,959
Corporate [Member]
Segment Reporting Information [Line Items]
Income (Loss) Before Income Taxes	120	490	185	1,033
Identifiable Assets	194,539		194,539		$ 161,799
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net Sales	(7,151)	(5,015)	(14,221)	(9,788)
Intersegment Elimination [Member] | Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	(7,151)	(5,015)	(14,221)	(9,788)
Operating Segments [Member] | Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 7,776	$ 5,866	$ 15,621	$ 11,513

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