XML 89 R72.htm IDEA: XBRL DOCUMENT v3.8.0.1
Financial Instruments - Notional Amount, Estimated Fair Value and Related Classification of Derivatives (Detail) - Foreign currency contract - USD ($)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Contracts balance sheet classification:    
Derivative, fair value, asset (liability), net $ 21.4 $ (54.4)
Notional amount 2,308.1 1,956.2
Designated as hedging instrument | Cash flow hedge    
Contracts balance sheet classification:    
Other current assets 29.2 11.2
Other long-term assets 7.5 0.5
Other current liabilities (14.7) (58.3)
Other long-term liabilities (2.5) (9.9)
Derivative, fair value, asset (liability), net 19.5 (56.5)
Notional amount $ 1,287.8 $ 1,275.0
Designated as hedging instrument | Cash flow hedge | Maximum    
Contracts balance sheet classification:    
Outstanding maturities in months, not to exceed 24 months 24 months
Not designated as hedging instrument    
Contracts balance sheet classification:    
Other current assets $ 6.1 $ 5.9
Other current liabilities (4.2) (3.8)
Notional amount 1,020.3 681.2
Other derivatives not designated as hedging instruments at fair value, net $ 1.9 $ 2.1
Not designated as hedging instrument | Maximum    
Contracts balance sheet classification:    
Outstanding maturities in months, not to exceed 12 months 12 months