Interest Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Income and Expenses [Abstract]
Cash interest, net of interest rate swaps	$ 7.9	$ 8.4	$ 23.9	$ 18.9
Accretion of debt discount	0.4	7.5	1.1	29.2
Amortization of debt issuance costs	1.1	0.9	3.2	2.7
Capitalized interest	(0.2)	(0.4)	(0.9)	(4.2)
Interest expense, net of portion capitalized	9.2	16.4	27.3	46.6
Interest income	(2.4)	(0.1)	(3.3)	(0.5)
Interest expense, net	$ 6.8	$ 16.3	$ 24.0	$ 46.1