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Investments in Unconsolidated Affiliates (Schedule of Equity (Earnings) Losses from Unconsolidated Affiliates) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Schedule of Equity Method Investments [Line Items]
Equity (earnings) from unconsolidated affiliates, net	$ (28.0)	$ (25.2)	$ (86.5)	$ (78.7)
WAVE [Member]
Schedule of Equity Method Investments [Line Items]
Equity (earnings) from unconsolidated affiliates, net	(28.2)	(25.5)	(87.1)	(79.4)
Overcast [Member]
Schedule of Equity Method Investments [Line Items]
Equity (earnings) from unconsolidated affiliates, net	$ 0.2	$ 0.3	$ 0.6	$ 0.7

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