Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT (Debt Covenants) (Details)

v3.20.4
LONG-TERM DEBT (Debt Covenants) (Details)
 12 Months Ended
Dec. 31, 2020
quarter
covenant
May 31, 2020
Oct. 31, 2019
Mar. 31, 2019
6.5% Senior Secured Notes Due 2027 [Member]        
Debt Instrument [Line Items]        
Interest rate, stated percentage 6.50% 6.50%    
4.75% Senior Notes Due 2027 [Member]        
Debt Instrument [Line Items]        
Interest rate, stated percentage 4.75%   4.75%  
4.875% Senior Notes Due 2024 [Member]        
Debt Instrument [Line Items]        
Interest rate, stated percentage 4.875%      
5.625% Senior Notes Due 2026 [Member]        
Debt Instrument [Line Items]        
Interest rate, stated percentage 5.625%     5.625%
6.5% Senior Notes, 4.75% Senior Notes, 4.875% Senior Notes, and 5.625% Senior Notes        
Debt Instrument [Line Items]        
Number of Covenants | covenant 2      
Fixed charge coverage ratio, minimum 2.0      
Secured indebtedness leverage ratio, maximum 3.5      
First Debt Covenant Period [Member] | Senior Secured Credit Facility [Member]        
Debt Instrument [Line Items]        
Number of consecutive quarters 4      
Ratio of consolidated total debt to consolidated EBITDA 6.75      
First Step Down Period Consolidated Net Leverage Ratio Reduced | Senior Secured Credit Facility [Member]        
Debt Instrument [Line Items]        
Number of consecutive quarters 4      
Ratio of consolidated total debt to consolidated EBITDA 6.25      
Second Step Down Period Consolidated Net Leverage Ratio Reduced | Senior Secured Credit Facility [Member]        
Debt Instrument [Line Items]        
Number of consecutive quarters 8      
Ratio of consolidated total debt to consolidated EBITDA 5.75      
Third Step Down Period Consolidated Net Leverage Ratio Reduced | Senior Secured Credit Facility [Member]        
Debt Instrument [Line Items]        
Number of consecutive quarters 12      
Ratio of consolidated total debt to consolidated EBITDA 5.50      
Fourth Step Down Period Consolidated Net Leverage Ratio Reduced | Senior Secured Credit Facility [Member]        
Debt Instrument [Line Items]        
Number of consecutive quarters 14      
Ratio of consolidated total debt to consolidated EBITDA 5.25