Investment in Unconsolidated Affiliates Reconciliation of Equity in Earnings of Unconsolidated Affiliates (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Reconciliation of Equity in Earnings of Unconsolidated Affiliates [Line Items]
Proceeds from Equity Method Investment, Distribution		$ 16.7
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest			25.50%
Proportionate Unconsolidated Affiliate Net Income			$ 39.5
Equity in Earnings Amortization of Basis Difference	[1]		13.7
Income (Loss) from Equity Method Investments, Total		0.0	53.2
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		$ 279.5	52.7
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Reconciliation of Equity in Earnings of Unconsolidated Affiliates [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			$ 155.0

[1] Includes loss on dilution, net of proportional basis difference recognition.