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Supplemental Information (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Nov. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2021
Related Party Transaction [Line Items]
Trade receivables, net		$ 130.0		$ 90.0
Related party debt, including current portion		370.1		$ 358.4
Debt Instrument [Line Items]
Repayment of debt		400.0	$ 1.1
Noncash ROU asset additions		115.0
Equity affiliate and joint venture partner
Related Party Transaction [Line Items]
Sales to and other income from related parties		$ 80.0	$ 50.0
Senior Notes \| Senior Note Three Percent
Debt Instrument [Line Items]
Interest rate (percent)	3.00%
Repayment of debt	$ 400.0