XML 52 R63.htm IDEA: XBRL DOCUMENT v2.4.0.8
Derivatives and Hedging Activities - Effect of Derivative Instruments on Consolidated Statements of Operations (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain (Loss) Recognized in Earnings on Derivatives $ 4.1 $ (2.6) $ (16.0) $ (5.3)
Designated as hedging instruments [Member] | Interest rate swaps [Member]
       
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain (Loss) Recognized in Earnings on Derivatives    0.3    0.4
Designated as hedging instruments [Member] | Foreign currency forward contracts [Member]
       
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain (Loss) Recognized in Earnings on Derivatives 0.5 0.1 0.2 (0.1)
Not designated as hedging instruments [Member] | Foreign currency forward contracts [Member]
       
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain (Loss) Recognized in Earnings on Derivatives $ 3.6 $ (3.0) $ (16.2) $ (5.6)