Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Income Statement [Abstract]
Net Revenues	$ 160,192	$ 147,309	$ 317,343	$ 320,784
Cost of Sales	123,410	114,641	247,461	251,312
Gross Profit	36,782	32,668	69,882	69,472
Selling, General and Administrative Expenses	23,690	21,982	46,180	45,160
Restructuring charges	0	661	0	661
Operating Income	13,092	10,025	23,702	23,651
Interest Expense	(2,857)	(3,721)	(5,663)	(7,967)
Income Before Taxes	10,235	6,304	18,039	15,684
Income Tax Expense	1,812	1,214	2,921	2,664
Net Income	$ 8,423	$ 5,090	$ 15,118	$ 13,020
Earnings Per Share
Basic earnings per share (in dollars per share)	$ 0.71	$ 0.44	$ 1.28	$ 1.12
Diluted earnings per share (in dollars per share)	$ 0.69	$ 0.43	$ 1.23	$ 1.10
Weighted-Average Number of Common Shares Outstanding
Basic (in shares)	11,878	11,665	11,834	11,638
Diluted (in shares)	12,248	11,828	12,248	11,845