Commitments and Contingencies - Asset Retirement Obligations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022		Dec. 31, 2021
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Beginning balance	$ 38.3	[1]	$ 37.5
Liabilities identified	2.3		0.0
Liabilities settled	(0.1)		(0.4)
Accretion expense	1.3		1.2
Ending balance	$ 41.8		$ 38.3	[1]

[1] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 8 for further discussion.