ACCRUED LIABILITIES (Details) (USD $)			3 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Accrued Clinical Research Costs [Member]
Schedule of Accrued Liabilities [Line Items]
Accrued royalties	$ 48,727,000	$ 83,591,000
Accrued clinical research costs	36,269,000	44,830,000
Accrued bonus	16,313,000	24,540,000
Accrued restructuring	2,684,000	19,753,000
Accrued Medicaid, Medicare and commercial rebates	26,930,000	18,595,000
Accrued benefits and incentive compensation	14,041,000	18,183,000
Other accrued costs	22,968,000	35,586,000
Accrued liabilities	167,932,000	245,078,000
Change in estimate for accrued clinical research costs			$ 14,300,000