OPERATING AND REPORTABLE SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross	$ 108,557	$ 87,717	$ 215,360	$ 177,499
Sales Revenue, Services, Other	47,344	43,858	96,174	84,913
Revenue	155,901	131,575	311,534	262,412
Adjusted EBITDA	15,465	16,891	30,426	33,304
Interest Expense	(6,790)	(6,235)	(13,359)	(12,847)
Income Tax Expense (Benefit)	(364)	127	138	544
Depreciation	(2,050)	(1,647)	(3,981)	(2,980)
Amortization of Intangible Assets	(878)	(819)	(1,757)	(1,638)
Share-based Compensation	(1,745)	(1,120)	(2,711)	(2,252)
Acquisition, integration, severance and other employee costs	(1,271)	0	(1,530)	0
Restructuring Charges	(202)	(3,475)	(502)	(4,774)
Loss from continuing operations, net of income taxes	(4,293)	(1,640)	(6,316)	(2,655)
Assets	674,918	677,102	674,918	677,102	677,102
Infusion Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross	108,557	87,717	215,360	177,499
Sales Revenue, Services, Other	2,416	2,136	4,667	4,079
Revenue	110,973	89,853	220,027	181,578
Adjusted EBITDA	8,026	8,340	15,809	17,624
Assets	366,198	353,999	366,198	353,999
Home Health Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Services, Other	16,860	17,673	33,571	34,881
Adjusted EBITDA	1,075	1,787	2,155	2,793
Assets	66,557	64,672	66,557	64,672
PBM Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Services, Other	28,068	24,049	57,936	45,953
Adjusted EBITDA	6,364	6,764	12,462	12,887
Assets	39,756	40,418	39,756	40,418
Corporate [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA	(6,458)	(5,362)	(13,040)	(12,012)
Assets	169,996	22,615	169,996	22,615
Assets from discontinued operations [Member]
Segment Reporting Information [Line Items]
Assets	0	59,005	0	59,005
Assets associated with discontinued operations, not sold [Member]
Segment Reporting Information [Line Items]
Assets	$ 32,411	$ 136,393	$ 32,411	$ 136,393