Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Offsetting of Derivative Liabilities (Detail)

v3.19.2
Fair Value Measurements - Offsetting of Derivative Liabilities (Detail) - USD ($)
$ in Millions
Jun. 30, 2019
Dec. 31, 2018
Derivative [Line Items]    
Gross Amounts of Recognized Liabilities $ 4.0 $ 1.7
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities (1.1) (1.2)
Net Amounts of Liabilities Presented in the Balance Sheet 2.9 0.5
Foreign exchange currency contracts [Member]    
Derivative [Line Items]    
Gross Amounts of Recognized Liabilities 4.0 1.7
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities (1.1) (1.2)
Net Amounts of Liabilities Presented in the Balance Sheet $ 2.9 $ 0.5