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Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Income Taxes [Abstract]    
Net operating loss carryforwards $ 31.0  
Net operating loss carryforward expiring in 2013 0.1  
Net operating loss carryforwards expiration year 2013  
Deferred income taxes on undistributed earnings 0  
Undistributed earnings of non-U.S. subsidiaries 229.0  
Recognized tax benefits 11.4 10.5
Liability for interest expense and penalties accrued 0.9 0.8
Accrued additional interest and penalties related to uncertain tax positions $ 0.1