Lease Accounting - Schedule of Minimum Cash Lease Payments (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash paid for amounts included in the measurement of lease liabilities
Cash outflows for operating leases	$ 68.5	$ 69.6
Cash outflows for finance leases - operating activities	1.4	1.2
Cash outflows for finance leases - financing activities	3.7	3.5
Non-cash amount of right-of-use assets obtained in exchange for:
Operating lease liability additions, net of write-offs	40.7	9.5
Finance lease liability additions, net of write-offs	$ 27.0	$ 0.0