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Product Warranties - Activity Related to Product Warranty Liability (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Guarantees And Product Warranties [Abstract]    
Reserve balance at the beginning of the year $ 24.5 $ 24.7
Provision for warranties issued 8.1 6.5
Settlements made (in cash or in kind) (8.1) (7.0)
Acquisition 0.6  
Foreign translation adjustments   (0.1)
Reserve balance at end of year $ 25.1 $ 24.1