XML 47 R72.htm IDEA: XBRL DOCUMENT v2.4.0.6
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Movement in valuation and qualifying accounts      
Additions from acquisitions charged to goodwill   $ 0.3  
Reclassification of allowance balance   2.4  
Trade receivable balance reclassified as a note receivable   2.4  
Allowance for doubtful accounts
      
Movement in valuation and qualifying accounts      
Balance at Beginning of Period 17.2 21.3 22.0
Additions Charged to Costs and Expenses 12.8 11.9 18.8
Deductions 8.0 13.8 19.6
Amounts Charged to Other Accounts 0.2 (2.1) 0.1
Balance at End of Period $ 22.2 $ 17.2 $ 21.3