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Warranties (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Balance at beginning of year $ 267.7 $ 153.7
Acquisitions 4.3 89.9
Warranty expense 22.7 34.6
Warranty claim payments (34.0) (27.8)
Foreign currency impact/other (3.3) (1.1)
Balance at end of period $ 257.4 $ 249.3