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Leases - Supplemental Cash Flow Information Related to Leases (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flows from operating leases $ 23.1 $ 18.1
Operating cash flows from finance leases 0.1 0.5
Financing cash flows from finance leases 0.0 0.0
Right-of-use assets obtained in exchange for new lease obligations:    
Operating leases 14.9 5.2
Finance leases $ 0.0 $ 0.0