Leases - Summary of Components of Lease Cost (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 72.9	$ 79.0
Finance lease cost:
Amortization of right-of-use assets	14.3	3.6
Interest on lease liabilities	3.5	0.6
Variable lease cost	17.9	16.9
Short-term lease cost	32.3	31.3
Total lease cost	$ 140.9	$ 131.4