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Leases (Schedule of Operating Lease Assets and Liabilities) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Operating Leased Assets [Line Items]    
Operating lease assets $ 149.2 $ 147.7
Operating lease liabilities, current 36.4 39.9
Operating lease liabilities, non-current 135.7 137.7
Total lease liabilities $ 172.1 $ 177.6
Minimum [Member]    
Operating Leased Assets [Line Items]    
Lessee, Operating Lease, Term of Contract 1 year  
Maximum [Member]    
Operating Leased Assets [Line Items]    
Lessee, Operating Lease, Term of Contract 12 years