XML 87 R76.htm IDEA: XBRL DOCUMENT v3.19.1
Derivatives and Hedging Activity - Summary of Notional and Fair Values of Derivative Instruments (Parenthetical) (Detail) - Foreign Exchange Contracts [Member] - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Call Options [Member]    
Derivatives, Fair Value [Line Items]    
Foreign exchange derivative contracts $ 248.8 $ 276.4
Put Options [Member]    
Derivatives, Fair Value [Line Items]    
Foreign exchange derivative contracts 248.8 276.4
Forward Contracts [Member]    
Derivatives, Fair Value [Line Items]    
Foreign exchange derivative contracts 26.9 23.1
Forward Contracts [Member] | Call Options [Member]    
Derivatives, Fair Value [Line Items]    
Foreign exchange derivative contracts $ 68.1 $ 72.9