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LEASES - Total Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 25, 2020
Jan. 25, 2020
Leases [Abstract]    
Operating lease cost $ 4,425 $ 9,204
Finance lease cost    
Amortization of leased assets 237 474
Interest on lease liabilities 515 1,032
Variable lease cost 3,968 7,662
Total lease cost $ 9,145 $ 18,372