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Warranties (Detail) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 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 58.8 54.7
Warranty claim payments (51.2) (66.1)
Foreign currency impact and other (6.0) (2.1)
Balance at end of period $ 281.8 $ 258.5