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Schedule II - Valuation and Qualifying Accounts and Reserves
 12 Months Ended
Aug. 31, 2019
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
 
 

 
 

 
 

 
 

2019
 
$
221,813

 
$
57,380

 
$
(102,388
)
 
$
176,805

2018
 
225,726

 
2,748

 
(6,661
)
 
221,813

2017
 
163,644

 
191,581

 
(129,499
)
 
225,726

 
 
 
 
 
 
 
 
 
Valuation allowance for deferred tax assets
 
 
 
 
 
 
 
 
2019
 
$
230,374

 
$
41,260

 
$
(25,290
)
 
$
246,344

2018
 
289,083

 
61,854

 
(120,563
)
 
230,374

2017
 
213,583

 
115,893

 
(40,393
)
 
289,083

 
 
 
 
 
 
 
 
 
Reserve for supplier advance payments
 


 
 
 
 
 


2019
 
$
110,613

 
$
—

 
$
(44,728
)
 
$
65,885

2018
 
130,705

 
—

 
(20,092
)
 
110,613


*Net of reserve adjustments