Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Activities - Additional Information (Detail)

v3.3.1.900
Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative asset fair value $ 6.8 $ 14.5
Derivative liability fair value 6.7 5.4
Cash flow hedges reclassified into earnings over next twelve months 13.0  
Foreign exchange currency contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative asset fair value 6.8 14.5
Derivative liability fair value 6.7 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 $ 112.8 225.3
Derivative maximum remaining maturity period 12 months  
Derivative asset fair value $ 4.2 12.3
Derivative liability fair value 0.5 1.6
Foreign exchange forward contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative aggregate notional amounts $ 478.9 $ 443.8
Derivative maximum remaining maturity period 12 months 12 months
Freestanding derivatives [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative average remaining maturity period 2 months 2 months