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NOTES PAYABLE Schedule of Debt (Details) - USD ($) $ in Thousands	6 Months Ended
	Jan. 26, 2019	Jul. 28, 2018
Debt Instrument [Line Items]
Debt issuance costs, net	$ (60,631)	$ (1,164)
Original issue discount on debt	(43,638)	0
Long-term debt, including current portion	3,081,131	318,836
Less: current portion of long-term debt obligations	115,795	10,000
Long-term debt	2,965,336	308,836
Term Loan Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,903,000	0
Basis spread on variable rate	6.65%
ABL Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,242,004	0
Basis spread on variable rate	3.81%
Other secured loans
Debt Instrument [Line Items]
Long-term debt, gross	$ 40,396	0
Basis spread on variable rate	5.74%
Former ABL Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	210,000
Former Term Loan Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 110,000

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