Leases, Supplemental Cash Flow Information and Non-cash Activity Related to Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 26, 2024	Jan. 27, 2023	Jan. 26, 2024	Jan. 27, 2023
Operating cash flow information [Abstract]
Cash paid for amounts included in the measurement of lease liabilities	$ 24,274	$ 23,761	$ 48,621	$ 47,507
Noncash information [Abstract]
Right-of-use assets obtained in exchange for new operating lease liabilities	2,139	5,474	5,790	9,465
Lease modifications or reassessments increasing right-of-use assets	3,521	4,214	20,438	3,698
Lease modifications removing right-of-use assets	$ (1,270)	$ (214)	$ (1,414)	$ (291)