LONG-TERM DEBT AND OTHER FINANCING ARRANGEMENTS Convertible Notes Tables (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Debt Instrument Rollforward [Roll Forward]
Amortization of debt issuance discount	$ 0	$ 11,535	$ 12,945	$ 30,008
Net Carrying Amount, Beginning Balance			906,028
Net Carrying Amount, Ending Balance	$ 1,057,442		$ 1,057,442