Basis of Presentation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Basis of Presentation [Line Items]
Gain (loss) on remeasurement of U.S. dollar denominated intercompany loan	$ (28.5)	$ 27.4
Repayment of debt	50.7
Intercompany foreign currency outstanding balance	$ 1,200.0			$ 1,300.0
Useful life	15 years
Increase in diluted shares	$ 1.42	$ 0.93
ASC 250 [Member]
Basis of Presentation [Line Items]
Useful life	30 years
Reduction in depreciation and amortization expense after tax	$ 93.0
Reduction in depreciation and amortization expense	$ 102.7
Increase in diluted shares	$ 0.86
ASC 250 [Member] | Scenario, Forecast [Member]
Basis of Presentation [Line Items]
Reduction in depreciation and amortization expense after tax			$ 372.5
Reduction in depreciation and amortization expense			$ 411.5
Increase in diluted shares			$ 3.43
Related Party [Member]
Basis of Presentation [Line Items]
Intercompany loans funded	$ 8.3