Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Income Statement [Abstract]
Net revenues	$ 180,269	$ 172,544	$ 530,049	$ 515,493
Cost of goods sold	125,578	122,970	365,831	358,395
Gross profit	54,691	49,574	164,218	157,098
Selling, general and administrative expense	41,789	41,817	123,252	122,553
Store closures and other restructuring recoveries	(10)	(30)	(107)	(215)
Impairment of long-lived assets	22	0	50	180
Income from operations	12,890	7,787	41,023	34,580
Interest expense	226	153	666	414
Income before income taxes	12,664	7,634	40,357	34,166
Provision (benefit) for income taxes	1,448	208	(3,257)	1,154
Net income	$ 11,216	$ 7,426	$ 43,614	$ 33,012
Net income per share:
Basic	$ 0.49	$ 0.33	$ 1.92	$ 1.47
Diluted	$ 0.48	$ 0.32	$ 1.88	$ 1.44
Weighted average common and common equivalent shares outstanding:
Basic	22,788	22,539	22,713	22,455
Diluted	23,268	23,064	23,256	22,981