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Warranties (Detail) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2021
Sep. 30, 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 84.7 86.8
Warranty claim payments (84.5) (95.7)
Foreign currency impact/other (8.4) 1.7
Balance at end of period $ 272.0 $ 264.8