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Schedule II - Valuation and Qualifying Accounts and Reserves
 12 Months Ended
Aug. 31, 2012
Receivables [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure
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
 

 
 

 
 

 
 

2012
$
119,026

 
$
7,380

 
$
(14,621
)
 
$
111,785

2011
99,535

 
31,792

 
(12,301
)
 
119,026

2010
99,025

 
6,688

 
(6,178
)
 
99,535