Debt and Credit Facilities - Interest Expense (Details) - Convertible Debt - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total interest expense	$ 15.1	$ 15.5
Convertible senior notes due 2028
Debt Instrument [Line Items]
Contractual interest expense:	8.8	3.4
Amortization of debt issuance costs:	2.8	1.0
Convertible senior notes due 2025
Debt Instrument [Line Items]
Contractual interest expense:	2.8	9.1
Amortization of debt issuance costs:	$ 0.7	$ 2.0