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Fair Value (Changes In The Fair Value Of Level 3 Liabilities) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total losses (realized and unrealized), Included in earnings $ 0.3  
Contingent Consideration [Member] | Level 3 [Member]
   
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance as of January 1 2.1  
Issuances 7.4 2.0
Settlements (0.3)  
Total losses (realized and unrealized), Included in earnings 0.3  
Foreign currency translation adjustments (0.4) 0.1
Balance as of December 31 $ 9.1 $ 2.1