Income Taxes - Reconciliation of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021		Dec. 31, 2020
Income Tax Disclosure [Abstract]
Provision (benefit) for federal income taxes at statutory rate	$ 74.4	$ (28.4)		$ (161.3)
State income tax benefit, net of federal tax provision	(15.0)	(1.9)		(11.3)
Income tax benefit attributable to non-controlling interest	(7.2)	(7.1)		(7.9)
Tax credits and incentives	(7.1)	(8.6)		(9.6)
Changes in valuation allowance	14.0	4.0		(10.8)
Impact of CARES Act net operating loss carryback	0.0	0.0		(16.8)
Goodwill impairment	0.0	0.0		21.4
Other items	4.8	0.0		2.7
Income tax expense (benefit)	$ 63.9	$ (42.0)	[1]	$ (193.6)	[1]

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