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LONG-TERM DEBT (Schedule of Long-Term Debt) (Details) (USD $)
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Jun. 30, 2014
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Dec. 31, 2013
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Jun. 30, 2014
Senior Secured Credit Facility Term loan A [Member]
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Dec. 31, 2013
Senior Secured Credit Facility Term loan A [Member]
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Jun. 30, 2014
Senior Secured Credit Facility Term loan B [Member]
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Dec. 31, 2013
Senior Secured Credit Facility Term loan B [Member]
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Jun. 30, 2014
Senior Secured Credit Facility Revolving Credit Facility [Member]
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Dec. 31, 2013
Senior Secured Credit Facility Revolving Credit Facility [Member]
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Jun. 30, 2014
7% Senior Notes Due 2020 [Member]
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Dec. 31, 2013
7% Senior Notes Due 2020 [Member]
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Jun. 30, 2014
5.375% Senior Notes due 2022 [Member]
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May 31, 2014
5.375% Senior Notes due 2022 [Member]
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Dec. 31, 2013
5.375% Senior Notes due 2022 [Member]
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Jun. 30, 2014
2.875% Convertible Senior Notes Due 2027 [Member]
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Dec. 31, 2013
2.875% Convertible Senior Notes Due 2027 [Member]
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Jun. 30, 2013
2.875% Convertible Senior Notes Due 2027 [Member]
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Jun. 30, 2014
2.5% Convertible Senior Notes Due 2019 [Member]
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May 31, 2014
2.5% Convertible Senior Notes Due 2019 [Member]
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Dec. 31, 2013
2.5% Convertible Senior Notes Due 2019 [Member]
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Jun. 30, 2014
Other Long Term Debt [Member]
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Dec. 31, 2013
Other Long Term Debt [Member]
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt Instrument [Line Items] | |||||||||||||||||||||
| Debt discount | $ 37,186,000 | $ 1,700,000 | $ 2,000,000 | $ 13,300,000 | $ 14,400,000 | $ 600,000 | $ 7,600,000 | $ 21,600,000 | |||||||||||||
| Debt premium | 7,929,000 | 7,929,000 | 8,600,000 | ||||||||||||||||||
| Interest rate, stated percentage | 7.00% | 7.00% | 5.375% | 5.375% | 2.875% | 2.875% | 2.875% | 2.50% | 2.50% | ||||||||||||
| Total debt including premium and discount | 2,308,473,000 | 1,808,887,000 | 108,987,000 | 111,578,000 | 929,587,000 | 933,226,000 | 0 | 0 | 432,929,000 | 433,571,000 | 250,000,000 | 0 | 219,401,000 | 212,415,000 | 253,401,000 | 0 | 114,168,000 | 118,097,000 | |||
| Current portion of long-term debt | 269,628,000 | 278,403,000 | |||||||||||||||||||
| Long-term debt, net | $ 2,038,845,000 | $ 1,530,484,000 |