Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Income Statement [Abstract]
Net sales	$ 239,303	$ 174,540	$ 167,276
Cost of sales	159,169	114,872	128,171
Gross margin	80,134	59,668	39,105
Impairment charges			5,959
Gain on sale of assets held	(2,195)
Selling, general and administrative expenses	54,594	47,094	48,619
Income (loss) from operations	27,735	12,574	(15,473)
Interest expense, net	3,520	3,437	4,168
Other expense (income), net	770	72	(419)
Income (loss) before income taxes	23,445	9,065	(19,222)
Income tax (benefit) expense	(3,374)	110	(2,324)
Net income (loss)	$ 26,819	$ 8,955	$ (16,898)
Net income (loss) per common share:
Basic	$ 0.55	$ 0.17	$ (0.31)
Diluted	$ 0.51	$ 0.16	$ (0.31)
Weighted average shares outstanding:
Basic	48,881	53,620	53,659
Diluted	52,211	55,262	53,659