Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Numerator
Net earnings (loss)	$ 34,266	$ 49,238	$ 41,408	$ 63,147
Denominator
Basic weighted-average common shares outstanding (in shares)	50,547	49,840	50,414	49,649
Dilutive effect of share-based awards (in shares)	77	1,011	192	1,136
Diluted weighted-average common shares outstanding (in shares)	50,624	50,851	50,606	50,785
Net earnings per common share:
Basic (in dollars per share)	$ 0.68	$ 0.99	$ 0.82	$ 1.27
Diluted (in dollars per share)	$ 0.68	$ 0.97	$ 0.82	$ 1.24