Leases, Supplemental Cash Flow Information and Non-cash Activity Related to Operating Leases (Details) - USD ($) $ in Thousands		3 Months Ended
	Aug. 04, 2020	Oct. 29, 2021	Oct. 30, 2020
Operating cash flow information [Abstract]
Gain on sale and leaseback transactions	$ 217,722	$ 0	$ 217,722
Cash paid for amounts included in the measurement of lease liabilities		22,793	22,266
Noncash information [Abstract]
Right-of-use assets obtained in exchange for new operating lease liabilities		6,688	311,633
Lease modifications or reassessments increasing or decreasing right-of-use assets		3,377	23,257
Lease modifications removing right-of-use assets		$ (162)	$ (259)