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NOTES PAYABLE - Schedule of Unused Available Credit and Fees (Details) - Line of Credit
$ in Thousands
6 Months Ended
Jan. 26, 2019
USD ($)
Letter of Credit  
Line of Credit Facility [Line Items]  
Outstanding letters of credit $ 76,763
Letter of credit fees 1.375%
Revolving Credit Facility  
Line of Credit Facility [Line Items]  
Unused available credit $ 731,234
Unused facility fees 0.375%