Capital Stock - Narratives (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 30, 2021	Jan. 30, 2021	Jan. 25, 2020	Jan. 26, 2019	Aug. 24, 2020	Aug. 29, 2018
Stockholders' Equity Note [Abstract]
Stock repurchase program, authorized amount					$ 100,000	$ 150,000
Common stock repurchased (in shares)	1,324,381	1,324,381
Average repurchase price (in usd per share)	$ 75.51	$ 75.51
Repurchase consideration	$ 100,000	$ 100,000
Shares paid for tax withholding for share based compensation		19,081	36,426	73,300
Value of shares paid for tax withholding for share based compensation		$ 700	$ 1,700	$ 4,700
Shares cancelled, value			$ 63,000