Leases - Components of Total Lease Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating lease expense:
Long-term operating lease expense	$ 28.2	$ 21.7	$ 23.1
Short-term lease expense	34.3	17.5	22.1
Variable lease expense	18.8	15.6	11.8
Impairments	0.0	0.2	6.8
Total lease expense, before sublease income	81.3	55.0	63.8
Sublease income	(1.1)	0.0	0.0
Total lease expense, net of sublease income	$ 80.2	$ 55.0	$ 63.8