Quarterly report pursuant to Section 13 or 15(d)

Debt (Debt Covenants) (Details)

v3.21.2
Debt (Debt Covenants) (Details)
$ / shares in Units, $ in Millions
6 Months Ended
Mar. 02, 2021
Jun. 30, 2021
USD ($)
$ / shares
Sep. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]        
Maximum leverage ratio   4.25    
Minimum interest coverage ratio   2.5    
Interest Coverage Ratio   3.1    
First Lien Leverage Ratio   4.7   5.4
Maximum [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Covenant, Leverage Ratio, Tier   5.75    
Minimum [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Covenant, Leverage Ratio, Tier   4.25    
Secured Revolving Credit Facility due May 2023        
Debt Instrument [Line Items]        
Debt Instrument, Interest Rate, Increase (Decrease) 0.25%      
Secured Revolving Credit Facility due May 2023 | Maximum [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Interest Rate, Increase (Decrease)   0.25%    
Relief Period [Member]        
Debt Instrument [Line Items]        
Maximum leverage ratio   7.5    
Minimum interest coverage ratio   2.0    
Debt instrument, Covenant, Liquidity base | $   $ 250    
Debt instrument, Covenant, Liquidity dividend spread   50.00%    
Relief Period [Member] | Maximum [Member]        
Debt Instrument [Line Items]        
Dividends Payable, Amount Per Share | $ / shares   $ 0.50    
Relief Period [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Debt Instrument, Covenant, Leverage Ratio, Maximum Decrease     0.75