COMPREHENSIVE (LOSS) INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassification out of Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Jul. 28, 2018
Swap agreements:
Income tax expense (benefit)	$ (90,445)	$ (58,936)	$ 47,215
Total reclassifications, net of tax	(17,949)	10	644
Benefit Plans
Swap agreements:
Total reclassifications, net of tax	0	0	0
Benefit Plans | Reclassification out of Accumulated Other Comprehensive Income
Pension and postretirement benefit plan obligations:
Amortization of amounts included in net periodic benefit income	(3,107)	0	0
Pension settlement charge	11,303	0	0
Total reclassifications	8,196	0	0
Swap agreements:
Income tax expense (benefit)	1,882	0	0
Total reclassifications, net of tax	6,314	0	0
Swap agreements
Swap agreements:
Total reclassifications, net of tax	(17,928)	10	644
Swap agreements | Reclassification out of Accumulated Other Comprehensive Income
Swap agreements:
Reclassification of cash flow hedge	24,505	(13)	(827)
Income tax expense (benefit)	6,577	(3)	(183)
Total reclassifications, net of tax	17,928	(10)	(644)
Other cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income
Swap agreements:
Reclassification of cash flow hedge	29	0	0
Income tax expense (benefit)	8	0	0
Total reclassifications, net of tax	$ 21	$ 0	$ 0