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Warranties (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Balance at beginning of year $ 278.5 $ 267.7
Acquisitions 1.7 4.3
Warranty expense 29.2 22.7
Warranty claim payments (28.8) (34.0)
Foreign currency impact/other (6.8) (3.3)
Balance at end of period $ 273.8 $ 257.4