INTEREST EXPENSE (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Interest expense, debt	$ 26,833,000	$ 21,093,000	$ 77,309,000	$ 78,466,000
Amortization of capitalized debt issuance costs	4,155,000	902,000	14,216,000	3,192,000
Amortization of debt issuance discount and premium, net	6,115,000	1,821,000	12,587,000	5,344,000
Total debt related expenses	10,270,000	2,723,000	26,803,000	8,536,000
Total interest expense	37,103,000	23,816,000	104,112,000	87,002,000
Interest Paid, Net			52,900,000	87,100,000
Interest on Senior Notes [Member]
Interest expense, debt	25,408,000	20,996,000	74,714,000	78,084,000
Interest on capital leases and other financing arrangements [Member]
Interest expense, debt	$ 1,425,000	$ 97,000	$ 2,595,000	$ 382,000