The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Derivative Instruments and Hedging Activities, Amounts Reclassified out of AOCIL Related to Interest Rate Swaps (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Feb. 01, 2019	Nov. 02, 2018	Jan. 26, 2018	Feb. 01, 2019	Jan. 26, 2018
Amounts Reclassified Out of AOCL Related to Interest Rate Swaps [Abstract]
Interest expense	$ (4,177)		$ (3,680)	$ (8,526)	$ (7,298)
Provision for income taxes	11,779		(18,145)	21,901	2,695
Net of tax	60,755	$ 47,207	$ 91,139	107,962	$ 137,519
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	35			35
Net of tax	(106)			(106)
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	$ (141)			$ (141)