DISCONTINUED OPERATIONS - Summary of Accruals (Details) - Pharmacy Services Assets Sale [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Movement in Accrued Expenses and Other Current Liabilities [Roll Forward]
Balance at December 31, 2014	$ 12,998
Expenses	9,232
Cash payments	(13,044)
Balance at September 30, 2015	9,186
Legal Settlement [Member]
Movement in Accrued Expenses and Other Current Liabilities [Roll Forward]
Balance at December 31, 2014	12,389
Expenses	6,096
Cash payments	(10,847)
Balance at September 30, 2015	7,638
other restructuring costs [Member]
Movement in Accrued Expenses and Other Current Liabilities [Roll Forward]
Balance at December 31, 2014	609
Expenses	3,136
Cash payments	(2,197)
Balance at September 30, 2015	$ 1,548