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Income Taxes - Reconciliation of Expected Federal Income Tax Benefit to Income Tax Provision (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Expected income tax expense (benefit) at U.S. federal statutory rate	$ 268.5	$ 77.7	$ (388.9)
Changes in valuation allowance, income tax	(595.6)	(101.3)	410.1
Changes in tax reserves	(1.5)	1.9	(7.7)
Excess depletion	(17.2)	(13.7)	(14.5)
Foreign earnings repatriation	42.3	0.0	0.0
Foreign earnings provision differential	80.7	17.3	16.4
Global intangible low-taxed income	197.2	67.0	0.0
Tax credits	0.0	(26.5)	0.0
Remeasurement of foreign income tax accounts	(2.6)	(1.8)	2.9
State income taxes, net of federal tax benefit	1.1	(1.1)	(6.8)
Other, net	(11.7)	3.3	(3.5)
Total income tax (benefit) provision	$ (38.8)	$ 22.8	$ 8.0

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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