GOODWILL AND INTANGIBLE ASSETS- Reconciliation of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Goodwill [Roll Forward]
Balance at December 31, 2014			$ 560,579
Impairment of goodwill	$ (13,850)	$ 0	(251,850)	$ 0
Balance at September 30, 2015	308,729		308,729
Operating Segments | Infusion Services
Goodwill [Roll Forward]
Balance at December 31, 2014			560,579
Impairment of goodwill			(251,850)
Balance at September 30, 2015	$ 308,729		$ 308,729