Derivative Instruments and Hedging Activities, Amounts Reclassified out of AOCL Related to Interest Rate Swaps (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 28, 2023	Jul. 29, 2022	Jul. 30, 2021
Amounts Reclassified Out of AOCL Related to Interest Rate Swaps [Abstract]
Interest expense	$ 17,006	$ 9,620	$ 56,108
Provision for income taxes	4,561	11,503	56,038
Net of tax	$ 99,050	$ 131,880	254,513
Interest Rate Swaps [Member] | Cash Flow Hedging [Member]
Amounts Reclassified Out of AOCL Related to Interest Rate Swaps [Abstract]
Ineffectiveness recorded in earnings on interest rate cash flow hedge			0
Loss on Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Cash Flow Hedging [Member]
Amounts Reclassified Out of AOCL Related to Interest Rate Swaps [Abstract]
Provision for income taxes			6,342
Net of tax			(19,078)
Loss on Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Cash Flow Hedging [Member]
Amounts Reclassified Out of AOCL Related to Interest Rate Swaps [Abstract]
Interest expense			$ (25,420)