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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Operating Loss Carryforwards [Line Items]    
Effective income tax rate 38.00% 85.00%
Net impact of various items effecting the income tax effective rate $ 1.1 $ 1.3
Net discrete tax provision related to sale of business   17.1
Nondeductible expense 70.7  
ION Media    
Operating Loss Carryforwards [Line Items]    
Nondeductible expense 1.0  
State and Local Jurisdiction    
Operating Loss Carryforwards [Line Items]    
Impact of change in state tax rate $ 4.7  
NOL valuation allowance adjustments   $ 1.2