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Leases - Components of Right-Of-Use Assets and Lease Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Assets    
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other Assets, Noncurrent Other Assets, Noncurrent
Operating lease right-of-use assets $ 25.1 $ 19.8
Finance lease right-of-use assets 2.2 3.0
Total right of use assets $ 27.3 $ 22.8
Liabilities    
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Accrued expenses Accrued expenses
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Other Liabilities, Noncurrent Other Liabilities, Noncurrent
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Current debt Current debt
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Long-term debt Long-term debt
Current operating lease obligation $ 7.3 $ 5.2
Long-term operating lease obligation 18.7 15.6
Total operating lease obligation 26.0 20.8
Current finance lease obligation 0.5 0.5
Long-term finance lease obligation 2.3 3.0
Total finance lease obligation $ 2.8 $ 3.5