OPERATING AND REPORTABLE SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross	$ 123,361	$ 87,869	$ 338,721	$ 265,368
Sales Revenue, Services, Other	47,004	45,960	143,178	130,873
Revenue	170,365	133,829	481,899	396,241
Adjusted EBITDA	18,238	17,181	48,664	50,485
Interest Expense	(6,497)	(6,528)	(19,705)	(19,375)
Income Tax Expense (Benefit)	2,506	1,862	2,644	2,406
Depreciation	(2,134)	(1,784)	(6,115)	(4,764)
Amortization of Intangible Assets	(1,087)	(858)	(2,844)	(2,496)
Share-based Compensation	(1,687)	(1,731)	(4,398)	(3,983)
Acquisition, integration, severance and other employee costs	(2,881)	(1,284)	(4,562)	(1,284)
Restructuring Charges	(438)	(1,750)	(940)	(6,524)
Loss from continuing operations, net of income taxes	(605)	(334)	(6,921)	(2,989)
Assets	656,820	677,102	656,820	677,102	677,102
Infusion Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross	123,361	87,869	338,721	265,368
Sales Revenue, Services, Other	2,575	2,376	7,242	6,455
Revenue	125,936	90,245	345,963	271,823
Adjusted EBITDA	9,931	7,557	25,740	25,181
Assets	427,437	353,999	427,437	353,999
Home Health Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Services, Other	17,299	17,548	50,870	52,429
Adjusted EBITDA	1,402	1,663	3,557	4,456
Assets	68,270	64,672	68,270	64,672
PBM Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Services, Other	27,130	26,036	85,066	71,989
Adjusted EBITDA	6,905	7,961	19,367	20,848
Assets	40,982	40,418	40,982	40,418
Corporate [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA	(6,625)	(5,442)	(19,665)	(17,454)
Assets	101,501	24,348	101,501	24,348
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	$ 18,630	$ 134,660	$ 18,630	$ 134,660