Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT (Future Maturities of Long-Term Debt) (Details)

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LONG-TERM DEBT (Future Maturities of Long-Term Debt) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Maturities of Long-term Debt [Abstract]    
2014 $ 285,989  
2015 46,344  
2016 48,985  
2017 47,329  
2018 54,015  
Thereafter 1,341,622  
Total 1,824,284  
Debt discount (23,968)  
Debt premium 8,571  
Total debt including premium and discount 1,808,887 1,740,005
2.875% Convertible Senior Notes Due 2027 [Member]
   
Maturities of Long-term Debt [Abstract]    
Debt discount (7,600) (20,600)
Total debt including premium and discount $ 212,415 $ 199,419