Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT (Debt Covenants) (Details)

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LONG-TERM DEBT (Debt Covenants) (Details)
12 Months Ended
Dec. 31, 2015
covenant
quarter
May. 31, 2014
Aug. 31, 2013
Senior Secured Credit Facility [Member] | Through September 30, 2016 [Member]      
Debt Instrument [Line Items]      
Ratio of consolidated total funded debt to consolidated EBITDA 4.75    
Number of consecutive quarters | quarter 4    
Senior Secured Credit Facility [Member] | December 31, 2016 [Member]      
Debt Instrument [Line Items]      
Ratio of consolidated total funded debt to consolidated EBITDA 4.50    
7% Senior Notes Due 2020 [Member]      
Debt Instrument [Line Items]      
Interest rate, stated percentage 7.00%   7.00%
Secured indebtedness leverage ratio, maximum 3.25    
5.375% Senior Notes due 2022 [Member]      
Debt Instrument [Line Items]      
Interest rate, stated percentage 5.375% 5.375%  
Secured indebtedness leverage ratio, maximum 3.50    
7% Senior Notes & 5.375% Senior Notes [Member]      
Debt Instrument [Line Items]      
Number of covenants | covenant 2    
Fixed charge coverage ratio, minimum 2.0