Consolidated Statements of Changes in Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Beginning Balance at Jan. 31, 2014	$ 335,654	$ 114,983	$ 4,710	$ 215,961
Beginning Balance, shares at Jan. 31, 2014		29,619
Net income	43,192			43,192
Other comprehensive loss, net	(15,988)		(15,988)
Issuance and exercise of stock-based awards, including net tax benefit (loss)	6,591	$ 6,591
Issuance and exercise of stock-based awards, including net tax benefit (loss), shares		557
Stock-based compensation expense	7,520	$ 7,520
Repurchase of common stock	(17,445)			(17,445)
Repurchase of common stock, shares		(758)
Ending Balance at Jan. 31, 2015	359,524	$ 129,094	(11,278)	241,708
Ending Balance, shares at Jan. 31, 2015		29,418
Net income	28,785			28,785
Other comprehensive loss, net	(3,969)		(3,969)
Issuance and exercise of stock-based awards, including net tax benefit (loss)	923	$ 923
Issuance and exercise of stock-based awards, including net tax benefit (loss), shares		255
Stock-based compensation expense	4,996	$ 4,996
Repurchase of common stock	(93,302)			(93,302)
Repurchase of common stock, shares		(3,965)
Ending Balance at Jan. 30, 2016	$ 296,957	$ 135,013	(15,247)	177,191
Ending Balance, shares at Jan. 30, 2016	25,708	25,708
Net income	$ 25,904			25,904
Other comprehensive loss, net	(1,241)		(1,241)
Issuance and exercise of stock-based awards, including net tax benefit (loss)	1,393	$ 1,393
Issuance and exercise of stock-based awards, including net tax benefit (loss), shares		432
Stock-based compensation expense	4,578	$ 4,578
Repurchase of common stock	$ (20,540)			(20,540)
Repurchase of common stock, shares	(1,195)	(1,195)
Ending Balance at Jan. 28, 2017	$ 307,051	$ 140,984	$ (16,488)	$ 182,555
Ending Balance, shares at Jan. 28, 2017	24,945	24,945