Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Numerator
Net income	$ 27,975	$ 16,690	$ 22,716	$ 33,619	$ 13,508	$ 23,598	$ 23,039	$ 31,084	$ 101,000	$ 91,229	$ 1,946
Net income and dividends declared allocated to participating securities									(2,300)	(1,915)	0
Net income available to common shareholders									$ 98,700	$ 89,314	$ 1,946
Denominator
Weighted average common shares outstanding–basic (in shares)									125,341	128,995	138,366
Dilutive effect of non-participating securities (in shares)									62	242	375
Weighted average common and common equivalent shares outstanding–diluted (in shares)									125,403	129,237	138,741
Net income per common share:
Basic (in usd per share)									$ 0.79	$ 0.69	$ 0.01
Diluted (in usd per share)									$ 0.79	$ 0.69	$ 0.01
Antidilutive securities excluded from computation of earnings per share (in shares)									700	700	300