Leases - Schedule of Information on Leases (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Lease cost	$ 62.4	$ 71.1	$ 68.8
Cash paid for leases recognized in operating cash flows	65.2	70.5	66.6
Right-of-use assets obtained in exchange for new lease liabilities	72.0	88.8	$ 74.2
Right-of-use assets recognized in Other assets	$ 196.4	$ 219.4
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets	Other assets
Lease liabilities recognized in Other current liabilities	$ 53.0	$ 56.7
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other current liabilities	Other current liabilities
Lease liabilities recognized in Other long-term liabilities	$ 167.3	$ 174.9
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities
Weighted-average remaining lease term	5 years 10 months 24 days	6 years 1 month 6 days
Weighted-average discount rate	2.10%	1.80%