Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Offsetting of Derivative Assets (Detail)

v3.6.0.2
Fair Value Measurements - Offsetting of Derivative Assets (Detail) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Derivative [Line Items]    
Gross Amounts of Recognized Assets $ 7.4 $ 6.8
Gross Amounts Offset in the Balance Sheet, Derivative Assets (3.0) (4.5)
Net Amounts of Assets Presented in the Balance Sheet 4.4 2.3
Foreign exchange currency contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Assets 7.4 6.8
Gross Amounts Offset in the Balance Sheet, Derivative Assets (3.0) (4.5)
Net Amounts of Assets Presented in the Balance Sheet $ 4.4 $ 2.3