Lease Obligations - Finance Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Finance leases, assets, gross	$ 679.9	$ 720.1
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net
Finance leases, assets, net	$ 473.3	$ 535.3
Finance leases, assets, depreciation	$ 103.0	$ 91.7	$ 80.1