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Income Taxes - Other Tax Disclosure Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Contingency [Line Items]          
Unrecognized Tax Benefits   $ 21.2 $ 20.2 $ 41.1 $ 38.7
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense   0.2 (1.7) 4.4  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued   2.2 2.0 $ 11.5 $ 6.9
Unrecognized Tax Benefits that Would Impact Effective Tax Rate   20.2      
Tax Adjustments, Settlements, and Unusual Provisions $ 18.5        
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities $ 25.3   $ 12.2    
Minimum [Member]          
Income Tax Contingency [Line Items]          
Income Tax Examination, Estimate of Possible Loss   275.0      
Maximum [Member]          
Income Tax Contingency [Line Items]          
Income Tax Examination, Estimate of Possible Loss   $ 325.0