ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Payroll-related expenses	$ 23,500	$ 37,419
Product returns	56,044	48,950
Accrued shelf stock	9,995	6,619
Government rebates (1)	99,606	91,717
Legal and professional fees	8,965	5,929
Income taxes payable	2,558	830
Physician detailing sales force fees	327	1,132
Interest payable	3,500	500
Other	8,617	11,615
Total accrued expenses	213,112	204,711
Turing Pharmaceuticals AG
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	42,900	$ 40,600
Accounts receivable, payments made on behalf of counterparty	$ 5,100