DISCONTINUED OPERATIONS - Summary of Accruals (Details) - Pharmacy Services Assets Sale $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Movement in Accrued Expenses and Other Current Liabilities [Roll Forward]
Balance at December 31, 2014	$ 12,998
Expenses	2,871
Cash payments	(7,232)
Balance at June 30, 2015	8,637
Other restructuring costs
Movement in Accrued Expenses and Other Current Liabilities [Roll Forward]
Balance at December 31, 2014	609
Expenses	1,795
Cash payments	(856)
Balance at June 30, 2015	1,548
Civil Action
Movement in Accrued Expenses and Other Current Liabilities [Roll Forward]
Balance at December 31, 2014	12,389
Expenses	1,076
Cash payments	(6,376)
Balance at June 30, 2015	$ 7,089