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Composition of Foreign Pension Plan Assets (Detail) (Pension Benefits, Foreign, USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 35.7 $ 33.5 $ 30.2
Equity Securities And Funds
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 6.0 5.9  
Fixed Income Securities And Funds
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 10.9 10.4  
Cash And Other
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 18.8 17.2  
Level 1
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 18.4 17.3  
Level 1 | Equity Securities And Funds
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 6.0 5.9  
Level 1 | Fixed Income Securities And Funds
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 10.9 10.4  
Level 1 | Cash And Other
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1.5 1.0  
Level 3
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 17.3 16.2 15.3
Level 3 | Cash And Other
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 17.3 $ 16.2