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Schedule of Debt (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Schedule of Debt (Details) - USD ($) $ in Millions	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025	Nov. 07, 2024
Debt Instrument [Line Items]
Long-term debt	$ 1,178.8		$ 1,178.8		$ 1,174.8
Amortization of Debt Issuance Costs and Discounts	1.3	$ 0.9	4.0	$ 0.0
Interest expense	3.6	3.2	10.8	8.8
Interest Expense, Debt, Excluding Amortization	2.3	$ 2.3	6.8	6.8
Maximum [Member]
Debt Instrument [Line Items]
Amortization of Debt Issuance Costs and Discounts				$ 2.0
8.25 Percent Note
Debt Instrument [Line Items]
Long-term debt, face amount	74.3		74.3
2.25 Percent Convertible Note
Debt Instrument [Line Items]
Long-term debt, face amount						$ 402.5
0.0 Percent Convertible Note
Debt Instrument [Line Items]
Long-term debt, face amount						$ 805.0
Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt, interest	1,207.5		1,207.5		1,207.5
Senior Notes [Member] \| 2.25 Percent Convertible Note
Debt Instrument [Line Items]
Long-term debt, face amount	402.5		402.5		402.5
Senior Notes [Member] \| 0.0 Percent Convertible Note
Debt Instrument [Line Items]
Long-term debt, face amount	$ 805.0		$ 805.0		$ 805.0