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Warranty Costs - Changes in Carrying Amount of Accrued Product Warranty Costs (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Movement in Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Gross [Roll Forward]    
Balance at beginning of period $ 8.3 $ 9.6
Accrued current period warranty expense 1.3 0.9
Payments and adjustments (0.9) (0.8)
Balance at end of period $ 8.7 $ 9.7