Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Treasury Stock
Balance, at start of period (in shares) at Feb. 02, 2019			67,424
Balance, at start of period at Feb. 02, 2019	$ 585,178	$ (5,482)	$ 936	$ 211,981	$ 713,864	$ (5,482)	$ 0	$ (341,603)
Balance, at start of period, treasury stock (in shares) at Feb. 02, 2019								26,208
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(9,934)				(9,934)
Exercise of stock options and restricted stock (in shares)			1,024					1,024
Exercise of stock options and restricted stock	0			(4,316)	(8,735)			$ 13,051
Share-based compensation	2,372			2,372
Repurchase of common stock (in shares)			1,273					1,273
Repurchase of common stock	(6,387)							$ (6,387)
Balance, at end of period (in shares) at May. 04, 2019			67,175
Balance, at end of period at May. 04, 2019	$ 565,747		$ 936	210,037	689,713		0	$ (334,939)
Balance, at end of period, treasury stock (in shares) at May. 04, 2019								26,457
Balance, at start of period (in shares) at Feb. 01, 2020	63,922		63,922
Balance, at start of period at Feb. 01, 2020	$ 406,302		$ 936	215,207	533,690		0	$ (343,531)
Balance, at start of period, treasury stock (in shares) at Feb. 01, 2020	29,710							29,710
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ (154,050)				(154,050)
Exercise of stock options and restricted stock (in shares)			802					802
Exercise of stock options and restricted stock	0			(1,609)	(7,659)			$ 9,268
Share-based compensation	2,502			2,502
Repurchase of common stock (in shares)			268					268
Repurchase of common stock	$ (540)							$ (540)
Balance, at end of period (in shares) at May. 02, 2020	64,456		64,456
Balance, at end of period at May. 02, 2020	$ 254,214		$ 936	$ 216,100	$ 371,981		$ 0	$ (334,803)
Balance, at end of period, treasury stock (in shares) at May. 02, 2020	29,176							29,176