Leases - Summary of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Paid For Amounts Included In Measurement Of Lease Obligations [Abstract]
Operating cash flows from operating leases	$ 25.8	$ 24.6
Operating cash flows from finance leases	0.4	0.1
Financing cash flows from finance leases	2.3	0.8
Right-of-use assets obtained in exchange for new finance lease liabilities	20.1	9.0
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 11.6	$ 6.9