Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Income Statement [Abstract]
Net sales	$ 1,021,235	$ 1,029,098	$ 977,860
Cost of sales	696,777	704,134	664,411
Gross profit	324,458	324,964	313,449
Selling and administrative expense	294,971	298,425	288,274
Operating income	29,487	26,539	25,175
Interest expense	1,551	1,791	1,667
Income before income taxes	27,936	24,748	23,508
Income taxes	11,050	9,451	8,632
Net income	$ 16,886	$ 15,297	$ 14,876
Earnings per share:
Basic	$ 0.78	$ 0.70	$ 0.68
Diluted	0.77	0.70	0.67
Dividends per share	$ 0.525	$ 0.40	$ 0.40
Weighted-average shares of common stock outstanding:
Basic	21,607	21,741	21,933
Diluted	21,816	21,927	22,133