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Equity and Long-Term Incentive Plans (Narrative) (Details) - USD ($)
12 Months Ended
Jun. 11, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based payment arrangement, noncash expense including restructuring and other related charges   $ 37,700,000 $ 47,900,000 $ 52,900,000
Share-based compensation expense, related to restructuring and other related charges   7,700,000    
Total unrecognized share-based compensation costs   $ 21,800,000    
Weighted-average remaining period   1 year 10 months 24 days    
Share-based payment arrangement, amount capitalized   $ 0    
Excess tax deficiencies (benefits)   1,400,000 (4,600,000) 8,400,000
Expense related to long-term incentive awards outstanding   $ 8,000,000 $ 22,500,000 $ 13,900,000
Maximum | Restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period   4 years    
Minimum | Restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period   3 years    
2016 Employee Stock Plan | Performance Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period   3 years    
2016 Employee Stock Plan | Maximum | Performance Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   200.00%    
2016 Employee Stock Plan | Minimum | Performance Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   0.00%    
2011 Non-Employee Director Plan | Restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   100.00%    
Long-Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expiration period   10 years    
Class A  Common Stock | 2016 Employee Stock Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized for grant 12,000,000      
Number of share awards available for future grant   8,175,717    
Class A  Common Stock | 2016 Employee Stock Plan | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expiration period 10 years      
Class A  Common Stock | 2011 Non-Employee Director Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized for grant 665,000      
Number of share awards available for future grant   191,989    
Class A  Common Stock | 2011 Non-Employee Director Plan | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expiration period 10 years