Net Loss Per Share (Details) - shares shares in Thousands		3 Months Ended		6 Months Ended
		Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Weighted Average Shares Outstanding And Anti Dilutive Shares [Abstract]
Shares of common stock issued		103,300	103,300	103,300	103,300
Weighted-average treasury shares		(34,844)	(35,356)	(35,036)	(35,515)
Weighted-average — basic shares		68,456	67,944	68,264	67,785
Dilutive effect of share-based compensation awards		0	0	0	0
Weighted-average — diluted shares		68,456	67,944	68,264	67,785
Anti-dilutive shares (1)	[1]	5,154	6,622	5,460	6,251

[1] Reflects the total number of shares related to outstanding share-based compensation awards that have been excluded from the computation of net loss per diluted share because the impact would have been anti-dilutive.