XML 23 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
Location and Fair Value of Derivative Instruments Designated as Hedging Instruments (Detail) (Derivatives Designated as Hedging Instruments, USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Derivatives, Fair Value [Line Items]    
Fair value of derivative assets $ 19.3 $ 15.3
Fair value of derivative liability   0.4
Forward currency contracts | Other Current Assets
   
Derivatives, Fair Value [Line Items]    
Fair value of derivative assets 5.1 1.4
Forward currency contracts | Accrued Expenses
   
Derivatives, Fair Value [Line Items]    
Fair value of derivative liability   0.4
Option currency contracts | Other Current Assets
   
Derivatives, Fair Value [Line Items]    
Fair value of derivative assets 0.7 0.6
Option currency contracts | Other Assets
   
Derivatives, Fair Value [Line Items]    
Fair value of derivative assets 1.3  
Interest rate swap contract | Other Assets
   
Derivatives, Fair Value [Line Items]    
Fair value of derivative assets $ 12.2 $ 13.3