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ALLOWANCE FOR DOUBTFUL ACCOUNTS AND NOTES RECEIVABLE (Details) - Allowance for doubtful accounts and notes receivable. - USD ($)
$ in Thousands
12 Months Ended
Jul. 29, 2017
Jul. 30, 2016
Aug. 01, 2015
Allowance for doubtful accounts and notes receivable activity      
Balance at beginning of year $ 11,230 $ 8,493 $ 8,294
Additions charged to costs and expenses 5,728 6,426 5,059
Deductions (2,449) (3,689) (4,590)
Charged to other accounts 0 0 (270)
Balance at end of year $ 14,509 $ 11,230 $ 8,493