COMPREHENSIVE (LOSS) INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassification out of Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	May 02, 2020	Apr. 27, 2019		May 02, 2020	Apr. 27, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	$ 45,800			$ 45,800
Amortization of cash flow hedge expense (income)	(6,191)	$ 15		(12,812)	$ 458
Income tax (expense) benefit	(14,849)	(8,027)		(106,330)	(104,091)
Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications, net of tax				0
Benefit Plans | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of amounts included in net periodic benefit income	(777)	0	[1]	(2,328)	0	[1]
Pension settlement charge	0	0		10,303	0
Total reclassifications	(777)	0		7,975	0
Income tax (expense) benefit	(203)	0		2,087	0
Total reclassifications, net of tax	(574)	0		5,888	0
Swap Agreements | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of cash flow hedge expense (income)	6,191	(15)		12,812	(458)
Income tax (expense) benefit	1,661	5		3,437	(105)
Total reclassifications, net of tax	$ 4,530	$ (20)		$ 9,375	$ (353)

[1] Amortization of amounts included in net periodic benefit income include amortization of prior service benefit and amortization of net actuarial loss as reflected in Note 13—Benefit Plans