Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities - Additional Information (Detail)

v3.3.0.814
Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($)
$ in Millions
Sep. 30, 2015
Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative asset fair value $ 15.1 $ 14.5
Derivative liability fair value 7.0 5.4
Foreign exchange currency contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative aggregate notional amounts 552.0  
Derivative asset fair value 15.1 14.5
Derivative liability fair value 7.0 5.4
Foreign exchange currency contracts [Member] | Derivatives designated as cash flow hedging instruments [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative aggregate notional amounts $ 104.3 225.3
Derivative remaining maturity period 12 months  
Derivative asset fair value $ 5.7 12.3
Derivative liability fair value $ 1.1 $ 1.6
Foreign exchange forward contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative maximum remaining maturity period 12 months 12 months
Freestanding derivatives [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative average remaining maturity period 1 month 2 months