Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock, at Cost	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Jan. 27, 2013	$ 694,826	$ 785	$ 355,990	$ 538,302	$ (200,604)	$ 353
Beginning balance (in shares) at Jan. 27, 2013	66,607,347	66,607,347
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (164,466)			(164,466)
Other comprehensive loss	(100)					(100)
Stock-based compensation	24,991		24,991
Repurchase of outstanding common stock	$ (30,000)				(30,000)
Repurchase of outstanding common stock (in shares)	(1,034,491)	(1,034,491)
Treasury stock reissued	$ 5,876		(23,576)		29,452
Treasury stock reissued (in shares)	1,710,365	1,710,365
Tax (shortfall) benefit from stock based compensation	$ 4,716		4,716
Ending balance at Jan. 26, 2014	$ 535,843	$ 785	362,121	373,836	(201,152)	253
Ending balance (in shares) at Jan. 26, 2014	67,283,221	67,283,221
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 27,947			27,947
Other comprehensive loss	(90)					(90)
Stock-based compensation	26,856		26,856
Repurchase of outstanding common stock	$ (40,906)				(40,906)
Repurchase of outstanding common stock (in shares)	(1,578,869)	(1,578,869)
Treasury stock reissued	$ 1,708		(17,381)		19,089
Treasury stock reissued (in shares)	1,108,567	1,108,567
Tax (shortfall) benefit from stock based compensation	$ 0		0
Ending balance at Jan. 25, 2015	$ 551,358	$ 785	371,596	401,783	(222,969)	163
Ending balance (in shares) at Jan. 25, 2015	66,812,919	66,812,919
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 11,497			11,497
Other comprehensive loss	490					490
Stock-based compensation	22,778		22,778
Repurchase of outstanding common stock	$ (57,311)				(57,311)
Repurchase of outstanding common stock (in shares)	(2,681,476)	(2,681,476)
Treasury stock reissued	$ (639)		(14,744)		14,105
Treasury stock reissued (in shares)	866,925	866,925
Other	$ (154)		(154)
Tax (shortfall) benefit from stock based compensation	32		32
Ending balance at Jan. 31, 2016	$ 528,051	$ 785	$ 379,508	$ 413,280	$ (266,175)	$ 653
Ending balance (in shares) at Jan. 31, 2016	64,998,368	64,998,368