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Schedule II Valuation and Qualifying Accounts (Tables)
12 Months Ended
May 31, 2012
Valuation And Qualifying Accounts [Abstract]  
Schedule Of Valuation And Qualifying Accounts Disclosure [Table Text Block]
SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS
For the Years ended May 31, 2012, 2011, and 2010
In millions

 Column A Column B Column C Column D Column E
      Additions    
    Balance Charges or  Charges or   Balance
    Beginning of (Reductions) to (Reductions) to   at End
 Description Period Costs and Expenses Other Accounts(a) Deductions of Period(b)
 Allowance for doubtful accounts, deducted from          
  accounts receivable in the balance sheet:          
 Year ended May 31, 2010  31.2  2.0  1.0  (5.5)  28.7
 Year ended May 31, 2011  28.7  (3.0)  (0.1)  (2.0)  23.6
 Year ended May 31, 2012  23.6  -  (5.1)  (0.1)  18.4
             
 Income tax valuation allowance, related to          
  deferred income taxes          
 Year ended May 31, 2010  115.6  53.0  (11.5)  -  157.1
 Year ended May 31, 2011  157.1  23.8  36.5  (8.2)  209.2
 Year ended May 31, 2012  209.2  6.2  (35.2)  -  180.2

 

(a)       For fiscal 2012, the income tax valuation allowance adjustment was recorded to accumulated other comprehensive income and deferred taxes. For fiscal 2011, the income tax valuation allowance adjustment was recorded to accumulated other comprehensive income and deferred taxes. For fiscal 2010, the income tax valuation allowance adjustment was recorded to accumulated other comprehensive income.

(b)       Allowance for doubtful accounts balance includes $13.5 million, $20.4 million and $19.5 million of allowance on long-term receivables recorded in other long term assets for the years ended May 31, 2012, 2011 and 2010, respectively.