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Guarantees, Indemnities and Warranties - Changes in Product Warranty Accrual (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Warranty accrual – January 1 $ 17.3 $ 18.3
Warranty expense 10.5 6.3
Payments (8.5) (6.7)
Foreign currency and other 1.2 (0.6)
Warranty accrual – December 31 $ 20.5 $ 17.3