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Leases - Supplemental Consolidated Balance Sheet information Related Operating Leases (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
Operating lease right-of-use assets $ 155.6 $ 130.8
Current operating lease liabilities 31.7 25.6
Long-term operating lease liabilities 184.2 169.0
Operating lease liabilities $ 215.9 $ 194.6
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other Other
Weighted average remaining lease term (years) 9 years 10 years 3 months 18 days
Weighted average discount rate 3.81% 3.98%