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Schedule II - Valuation and Qualifying Accounts and Reserves
 12 Months Ended
Aug. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts and Reserves
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
Balance at
Beginning
of Year		Additions:
Charged to Costs
and Expenses*		Deductions:
Write-offs, Net
of Recoveries		Balance at
End
of Year
 (Dollars in thousands)
Allowances for doubtful accounts    
2021$165,540 $10,175 $(31,993)$143,722 
2020176,805 3,089 (14,354)165,540 
2019221,813 57,380 (102,388)176,805 
Valuation allowance for deferred tax assets
2021$219,891 $11,700 $(22,781)$208,810 
2020246,344 5,206 (31,659)219,891 
2019230,374 41,260 (25,290)246,344 
Reserve for supplier advance payments
2021$65,885 $— $— $65,885 
202065,885 — — 65,885 
2019110,613 — (44,728)65,885 
*Net of reserve adjustments.