STOCK-BASED COMPENSATION (Details) (USD $) In Millions, except Share data, unless otherwise specified				2 Months Ended	3 Months Ended		6 Months Ended			2 Months Ended
	Jun. 30, 2013	Apr. 02, 2013	Dec. 31, 2012	Jun. 30, 2013 Employee Stock [Member]	Jun. 30, 2013 All Share-Based Payment Plans [Member]	Jun. 30, 2012 All Share-Based Payment Plans [Member]	Jun. 30, 2013 All Share-Based Payment Plans [Member]	Jun. 30, 2012 All Share-Based Payment Plans [Member]	Jun. 30, 2013 2008 Plan [Member]	Jun. 30, 2013 2008 Plan [Member] Director [Member]	May 07, 2013 2008 Plan [Member] Director [Member]	Jan. 02, 2008 2008 Plan [Member] Director [Member]	Jun. 30, 2013 CHS 2006 Equity Incentive Plan [Member]	Jun. 30, 2013 BioScrip/CHS Plan [Member] executive
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based compensation agreement by share-based payment awared, number of shares originally authorized									3,580,000				13,000,000	3,106,315
share-based compensation arrangement by share-based payment awared, adjustment to number of shares authorized									3,275,000
rollover options														716,086
Share-based Compensation Arrangement by Share-based Payment Award, Number of Executives Issued Options														5
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized									6,855,000		800,000	500,000		2,390,229
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized										300,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant									741,325					1,030,111
Stock or Unit Option Plan Expense					$ 1.8	$ 1.5	$ 3.2	$ 2.2
Restricted Stock or Unit Expense					1.1	0.1	1.3	0.2
stock appreciation right expense					$ 0.9	$ 0.2	$ 1.4	$ 0.3
Employee Stock Purchase Plan [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent				85.00%
Employee Stock Ownership Plan, Shares Registered		750,000
Common Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001	$ 0.0001