v3.20.4
DEBT Table 2 - Long-Term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Sep. 14, 2020
Aug. 31, 2020
Dec. 31, 2019
May 22, 2019
Debt Instrument [Line Items]          
Net fair value adjustments, unamortized discounts and unamortized debt issuance costs $ (42,382)     $ (23,301)  
Total long-term debt 3,539,258     3,331,839  
Finance leases (refer to Note 16) 54,238     55,446  
Less current portion 0     452,367  
Long-term debt, less current portion 3,593,496     2,934,918  
Revolving Credit Agreement [Member]          
Debt Instrument [Line Items]          
Long-term debt 0     475,000  
4.80% senior notes          
Debt Instrument [Line Items]          
Long-term debt 0   $ 450,000 450,000  
6.75% senior notes          
Debt Instrument [Line Items]          
Long-term debt 300,000     300,000  
4.75% senior notes          
Debt Instrument [Line Items]          
Long-term debt 250,000     250,000  
5.75% senior notes          
Debt Instrument [Line Items]          
Long-term debt 600,000 $ 600,000   0  
6.00% senior notes          
Debt Instrument [Line Items]          
Long-term debt 500,000     500,000 $ 500,000
5.625% senior notes          
Debt Instrument [Line Items]          
Long-term debt 550,000     550,000  
6.375% senior notes          
Debt Instrument [Line Items]          
Long-term debt 600,000 $ 600,000   0  
Subordinated Notes          
Debt Instrument [Line Items]          
Long-term debt 402,500     402,500  
Gulf Opportunity Zone revenue bonds          
Debt Instrument [Line Items]          
Long-term debt 322,140     365,440  
Receivables Financing Agreement          
Debt Instrument [Line Items]          
Long-term debt $ 57,000     $ 62,200