Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Lease right-of-use assets	$ 400.3	$ 346.7
Other current lease liabilities	$ 84.2
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued compensation and other accrued liabilities
Lease liabilities	$ 352.2	$ 300.4
Total lease liabilities	$ 436.4
Weighted-average remaining lease term, years	5 years 4 months 24 days
Weighted-average discount rate	4.20%