Earnings Per Share - Computation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 25, 2020	Oct. 27, 2019	Oct. 25, 2020	Oct. 27, 2019
Earnings Per Share [Abstract]
Net income attributable to common stockholders	$ 18,487	$ 13,997	$ 44,247	$ 28,937
Weighted average common shares outstanding - basic (in shares)	65,136	66,387	65,270	66,337
Dilutive effect of share-based compensation (in shares)	831	931	780	1,293
Weighted average common shares outstanding - diluted (in shares)	65,967	67,318	66,050	67,630
Basic earnings per common share (in dollars per share)	$ 0.28	$ 0.21	$ 0.68	$ 0.44
Diluted earnings per common share (in dollars per share)	$ 0.28	$ 0.21	$ 0.67	$ 0.43
Anti-dilutive shares not included in the above calculations (in shares)	523	237	274	223