Debt And Credit Facilities - Unamortized Debt Issuance Costs (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt issuance costs	$ 7.4	$ 9.5
Convertible Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Debt issuance costs	6.0	7.5
Term Loan
Debt Instrument [Line Items]
Debt issuance costs	1.2	1.7
Euro Term Loan
Debt Instrument [Line Items]
Debt issuance costs	$ 0.2	$ 0.3