Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net sales	$ 227,935	$ 240,965	$ 445,671	$ 486,251
Cost of sales	155,742	167,848	308,923	337,258
Gross profit	72,193	73,117	136,748	148,993
Selling and administrative expense	58,333	72,179	129,703	144,790
Other income	(2,500)		(2,500)
Operating income	16,360	938	9,545	4,203
Interest expense	749	738	1,484	1,514
Income before taxes	15,611	200	8,061	2,689
Income tax expense	4,475	172	1,536	997
Net income	$ 11,136	$ 28	$ 6,525	$ 1,692
Earnings per share:
Basic	$ 0.52	$ 0.00	$ 0.31	$ 0.08
Diluted	$ 0.52	$ 0.00	$ 0.31	$ 0.08
Weighted-average shares of common stock outstanding:
Basic	21,252	21,118	21,200	21,074
Diluted	21,358	21,143	21,356	21,100