INCOME TAXES (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Aug. 01, 2020	Aug. 01, 2020	Aug. 03, 2019	Jul. 28, 2018
Operating Loss Carryforwards [Line Items]
Income (loss) from continuing operations before income taxes, domestic		$ (340,800)	$ (351,600)	$ 202,600
Income (loss) from continuing operations before income taxes, foreign		(3,600)	7,000	7,400
Payments to government agencies		8,400
Total accrued interest and penalties	$ 7,000	7,000	15,600	$ 100
Possible decrease in amount of unrecognized tax benefits	8,300	8,300
Net operating loss carryforwards related to CARES Act	203,000	$ 203,000
CARES act federal tax rate for carryback losses		35.00%
Federal tax rate (as percent)		21.00%
Effective income tax rate reconciliation, deduction, amount	39,500
Deferred Tax Assets, Gross	278,764	$ 278,764	203,638
Operating loss carryforwards subject to annual limitation	2,300	2,300
Disallowed interest expense carryforwards	26,700	26,700
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	445	$ 445	$ 445
Effective income tax rate for continuing operations (as a percent)		26.30%	17.10%	22.10%
Income tax expense related to excess tax deficiencies		$ 4,200	$ 1,600	$ 1,100
Internal Revenue Service (IRS)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 4,100	4,100
Operating loss carryforward limitation		$ 300