OPERATING AND REPORTABLE SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenue	$ 199,071	$ 155,633
Adjusted EBITDA	19,397	14,961
Other Cost and Expense, Operating	(7,916)	(6,582)
Interest Expense	(6,478)	(6,569)
Income Tax Expense (Benefit)	(58)	502
Depreciation	(2,459)	(1,931)
Amortization of Intangible Assets	(2,082)	(879)
Share-based Compensation	(1,973)	(966)
Acquisition and integration expenses	(4,623)	(172)
Restructuring Charges	(1,278)	(387)
Loss from continuing operations, net of income taxes	(7,470)	(2,023)
Assets	665,714		642,376
Infusion Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross	150,024	106,803
Sales Revenue, Services, Other	4,353	2,250
Revenue	154,377	109,053
Adjusted EBITDA	12,315	7,783
Assets	523,857		438,623
Home Health Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Services, Other	17,942	16,711
Adjusted EBITDA	883	1,080
Assets	63,280		62,403
PBM Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Services, Other	26,752	29,869
Adjusted EBITDA	6,199	6,098
Assets	30,909		36,354
Corporate [Member]
Segment Reporting Information [Line Items]
Assets	45,189		95,813
Assets associated with discontinued operations, not sold [Member]
Segment Reporting Information [Line Items]
Assets	$ 2,479		$ 9,183