Leases - Components of Lease Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 35.3	$ 33.9	$ 23.1
Finance lease cost
Amortization of leased assets	51.0	51.9	51.2
Interest on lease liabilities	43.5	47.4	50.2
Variable lease cost	39.8	33.6	30.8
Sublease income	(2.7)	(0.4)	(4.0)
Net lease cost	$ 166.9	$ 166.4	$ 151.3