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OPERATING SEGMENT INFORMATION (Schedule of Operating Segment Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net Sales	$ 131,159	$ 167,355
Income (Loss) Before Income Taxes	18,901	34,191
Identifiable Assets	303,275		$ 284,318
Firearms [Member]
Segment Reporting Information [Line Items]
Net Sales	129,883	166,365
Income (Loss) Before Income Taxes	19,130	34,031
Identifiable Assets	187,943		206,091
Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	1,276	990
Income (Loss) Before Income Taxes	(488)	101
Identifiable Assets	11,354		12,524
Corporate [Member]
Segment Reporting Information [Line Items]
Income (Loss) Before Income Taxes	259	59
Identifiable Assets	103,978		$ 65,703
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net Sales	5,408	8,840
Intersegment Elimination [Member] | Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	(5,408)	(8,840)
Operating Segments [Member] | Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 6,684	$ 9,830

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