Investments in Unconsolidated Affiliates (Schedule of Equity (Earnings) Losses from Unconsolidated Affiliates) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Schedule of Equity Method Investments [Line Items]
Equity (earnings) from unconsolidated affiliates, net	$ (26.6)	$ (27.2)
WAVE [Member]
Schedule of Equity Method Investments [Line Items]
Equity (earnings) from unconsolidated affiliates, net	(26.8)	(27.4)
Overcast [Member]
Schedule of Equity Method Investments [Line Items]
Equity (earnings) from unconsolidated affiliates, net	$ 0.2	$ 0.2

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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