Investments in Unconsolidated Affiliates (Summary of Investment in Joint Venture, Balance Sheet Data) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]
Current assets	$ 391.5	$ 348.9
Current liabilities	267.4	249.7
Non-current liabilities	756.6	835.9
WAVE [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule of Equity Method Investments [Line Items]
Current assets	110.6	111.5
Non-current assets	88.9	98.9
Current liabilities	33.8	33.6
Non-current liabilities	$ 360.3	$ 376.6