Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Operating Leases
Operating lease ROU assets		$ 414.0	$ 365.7
Operating lease liabilities - current	[1]	$ 100.2	$ 105.5
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Accrued Liabilities, Current	Accrued Liabilities, Current
Operating lease liabilities - long-term		$ 323.2	$ 266.6
Total operating lease liabilities		$ 423.4	$ 372.1

[1] (a) Operating lease liabilities - current are included in accrued expenses on our Consolidated Balance Sheets.