Leases - Summary of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash Paid For Amounts Included In Measurement Of Lease Obligations [Abstract]
Operating cash flows from operating leases	$ 51.7	$ 49.7
Operating cash flows from finance leases	0.9	0.2
Financing cash flows from finance leases	4.9	1.7
Right-of-use assets obtained in exchange for new finance lease liabilities	30.5	13.7
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 14.4	$ 45.9