Business Segments (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Apr. 01, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
External net sales	$ 63,850	$ 76,826
Gross profit	12,492	20,277
Operating profit	6,048	13,381
Total assets	376,541	385,691	$ 413,618
Depreciation and amortization	949	1,797
Capital expenditures	2,507	1,790
Housewares/ Small Appliances [Member]
Segment Reporting Information [Line Items]
External net sales	19,709	16,057
Gross profit	2,184	1,899
Operating profit	(1,529)	(875)
Total assets	240,490	231,875
Depreciation and amortization	367	336
Capital expenditures	229	1,709
Defense [Member]
Segment Reporting Information [Line Items]
External net sales	44,141	60,769
Gross profit	10,308	18,378
Operating profit	7,577	14,256
Total assets	136,051	149,399
Depreciation and amortization	582	1,461
Capital expenditures	$ 2,278	81
Discontinued Operations Held-for-sale [Member]
Segment Reporting Information [Line Items]
Total assets		$ 4,417