Net Income (Loss) Per Share - Schedule of Weighted-Average Shares Used for Net Income (Loss) per Share (Detail) - shares	3 Months Ended		6 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015
Earnings Per Share [Abstract]
Weighted-average shares—basic	40,646,124	40,045,850	40,617,102	39,979,898
Effect of dilutive stock-based awards	174,371	2,198,060		2,137,317
Weighted-average shares—diluted	40,820,495	42,243,910	40,617,102	42,117,215