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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. 28, 2018
Jul. 29, 2017
Jul. 30, 2016
Allowance for doubtful accounts and notes receivable activity      
Balance at beginning of year $ 14,509 $ 11,230 $ 8,493
Additions charged to costs and expenses 12,006 5,728 6,426
Deductions (10,519) (2,449) (3,689)
Balance at end of year $ 15,996 $ 14,509 $ 11,230