Debt - Components (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Debt
Unamortized debt issuance costs	$ (1.5)	$ (1.7)
Total notes and loans outstanding	1,223.3	1,205.1
Total debt	1,243.4	1,219.2
Current portion of long-term debt and finance lease obligations	(120.9)	(18.7)
Total long-term debt, less current portion	1,122.5	1,200.5
Euro Notes Under The 2021 Purchase Agreement
Debt
Debt, before unamortized debt issuance costs	163.8	160.6
Switzerland Francs Notes Under The 2021 Notes Purchase Agreement
Debt
Debt, before unamortized debt issuance costs	335.4	325.1
2019 Note Purchase Agreement
Debt
Debt, before unamortized debt issuance costs	332.0	321.9
2019 Term Loan Agreement
Debt
Debt, before unamortized debt issuance costs	285.8	293.3
2012 Note Purchase Agreement
Debt
Debt, before unamortized debt issuance costs	100.0	100.0
Other Loan [Member]
Debt
Debt, before unamortized debt issuance costs	7.8	5.9
Capital lease obligations and other loans
Debt
Total debt	$ 20.1	$ 14.1