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Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 25, 2018
Aug. 26, 2017
Aug. 27, 2016
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance, Beginning of Period $ 8,719 $ 7,675 $ 6,007
Charged to Costs and Expenses 5,882 5,629 6,375
Charges for Which Reserves Were Created or Deductions (5,364) (4,585) (4,707)
Balance, End of Period $ 9,237 $ 8,719 $ 7,675