OPERATING AND REPORTABLE SEGMENTS OPERATING AND REPORTABLE SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								11 Months Ended	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Jun. 30, 1997	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross									$ 306,688	$ 471,506	$ 365,526
Sales Revenue, Services, Other									124,019	191,131	188,980
Revenues	180,738	170,365	155,633	158,264	133,830	131,575	130,837	155,901	430,707	662,637	554,506
Adjusted EBITDA									61,241	67,824	71,204
Interest Expense									(23,560)	(26,067)	(25,542)
Gains (Losses) on Extinguishment of Debt									(2,954)	0	0
Income Tax Expense (Benefit)									(48,700)	4,439	(435)
Depreciation									(5,379)	(8,513)	(6,591)
Amortization of Intangible Assets									(2,522)	(3,957)	(3,376)
Share-based Compensation									(3,320)	(6,122)	(4,467)
Acquisition, integration, severance and other employee costs									(5,924)	(4,046)	0
Restructuring Charges									(3,985)	(5,143)	(7,909)
Bad debt expense related to contract termination									(2,742)	0	0
Income (Loss) from Continuing Operations Attributable to Parent	(1,419)	(605)	(2,023)	2,565	(334)	(1,640)	(1,015)	(4,293)	(67,675)	(8,340)	(424)
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets									6,730	10,986	7,853
Assets	642,376			677,102					663,988	642,376	677,102
Goodwill	350,810			312,387					312,387	350,810	312,387
Infusion Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross									306,688	471,506	365,526
Sales Revenue, Services, Other									9,019	10,080	8,756
Revenues									315,707	481,586	374,282
Adjusted EBITDA									37,853	36,764	35,128
Depreciation									(3,156)	(4,347)	(5,242)
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets									2,967	6,685	4,826
Assets	438,623			353,999					322,577	438,623	353,999
Goodwill	304,282			265,859					265,859	304,282	265,859
Home Health Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Services, Other									56,264	69,190	69,635
Adjusted EBITDA									4,839	5,401	5,954
Depreciation									(64)	(111)	(48)
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets									276	171	170
Assets	62,403			64,672					92,821	62,403	64,672
Goodwill	33,784			33,784					33,784	33,784	33,784
PBM Services [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Services, Other									58,736	111,861	110,589
Adjusted EBITDA									18,549	25,659	30,122
Depreciation									0	0	0
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets									0	0	0
Assets	36,354			40,418					26,118	36,354	40,418
Goodwill	12,744			12,744					12,744	12,744	12,744
Corporate [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA									(29,830)	(26,755)	(23,308)
Depreciation									(2,159)	(4,055)	(1,301)
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets									3,487	4,130	2,857
Assets	95,813			24,348					19,581	95,813	24,348
Assets from discontinued operations [Member]
Segment Reporting Information [Line Items]
Assets	0			59,005					73,022	0	59,005
Assets associated with discontinued operations, not sold [Member]
Segment Reporting Information [Line Items]
Assets	$ 9,183			$ 134,660					$ 129,869	$ 9,183	$ 134,660