COMPREHENSIVE (LOSS) INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS COMPREHENSIVE (LOSS) INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassification out of Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Feb. 01, 2020	Jan. 26, 2019		Feb. 01, 2020	Jan. 26, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax (benefit) expense	$ (17,728)	$ (91,809)		$ (91,481)	$ (96,064)
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]	(1,551)	0	[1]
Pension settlement charge	10,303	0		10,303	0
Total reclassifications	9,526	0		8,752	0
Income tax (benefit) expense	2,492	0		2,290	0
Total reclassifications, net of tax	7,034	0		6,462	0
Swap Agreements | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification of cash flow hedge	(4,251)	(108)		(6,621)	443
Income tax (benefit) expense	(1,348)	0		(1,776)	110
Total reclassifications, net of tax	$ (2,903)	$ (108)		$ (4,845)	$ 333

[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