Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net sales	$ 276,636	$ 282,407	$ 865,703	$ 884,599
Cost of goods sold	189,945	195,789	591,665	601,678
Gross profit	86,691	86,618	274,038	282,921
Selling, general and administrative expenses	82,747	84,423	260,263	246,168
Goodwill, tradename and store fixed-assets impairment charges	718	106,000	1,551	274,090
Income (loss) from operations	3,226	(103,805)	12,224	(237,337)
Gain on extinguishment of debt	0	0	16,229	0
Interest expense, net	1,289	2,426	5,429	7,212
Income (loss) before provision (benefit) for income taxes	1,937	(106,231)	23,024	(244,549)
Provision (benefit) for income taxes	57	(22,867)	6,204	(24,664)
Net income (loss) from continuing operations	1,880	(83,364)	16,820	(219,885)
Net loss from discontinued operations, net of tax	(3,626)	(2,786)	(15,245)	(14,688)
Net income (loss)	$ (1,746)	$ (86,150)	$ 1,575	$ (234,573)
Weighted average common shares outstanding
Basic (in shares)	23,545,842	23,152,645	23,477,982	23,070,781
Diluted (in shares)	23,545,842	23,152,645	23,743,856	23,070,781
Net income (loss) from continuing operations per common share
Basic (in dollars per share)	$ 0.08	$ (3.60)	$ 0.72	$ (9.53)
Diluted (in dollars per share)	0.08	(3.60)	0.71	(9.53)
Net loss from discontinued operations per common share
Basic (in dollars per share)	(0.15)	(0.12)	(0.65)	(0.64)
Diluted (in dollars per share)	(0.15)	(0.12)	(0.64)	(0.64)
Net income (loss) per common share
Basic (in dollars per share)	(0.07)	(3.72)	0.07	(10.17)
Diluted (in dollars per share)	$ (0.07)	$ (3.72)	$ 0.07	$ (10.17)