Debt - Summary of Net Interest Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instruments [Abstract]
Interest incurred	$ 19.8	$ 25.6	$ 34.3
Loss (gain) on debt extinguishment and other interest income	(6.8)	(2.7)	4.1
Less: capitalized interest	0.0	(0.1)	(0.3)
Interest expense, net	$ 26.6	$ 22.8	$ 38.1