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Face (par) amount of debt instrument at time of issuance.

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DEBT (Details) (USD $)	3 Months Ended	0 Months Ended		12 Months Ended	0 Months Ended	3 Months Ended	0 Months Ended
DEBT (Details) (USD $)	Mar. 31, 2015	Jan. 31, 2014	Feb. 11, 2014	Dec. 31, 2014	Dec. 23, 2013	Mar. 31, 2014	Mar. 01, 2015	Mar. 09, 2015	Jul. 31, 2013
Debt Instrument [Line Items]
Minimum percentage of proceeds to be used to repay outstanding borrowings								75.00%
Repayments of indebtedness and accrued interest from proceeds of purchase agreement	$ 45,300,000
Term Loan B Facility
Debt Instrument [Line Items]
Face amount of debt instruments									250,000,000
Secured Debt, Delayed Draw Term Loan
Debt Instrument [Line Items]
Face amount of debt instruments									150,000,000
Senior credit facility \| Eurodollar
Debt Instrument [Line Items]
Minimum basis spread on debt		5.25%
Senior credit facility \| Base Rate
Debt Instrument [Line Items]
Minimum basis spread on debt		4.25%
Senior Secured Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity									75,000,000
Threshold percentage for revolver covenant triggering event				25.00%
Repayments of short-term debt			59,300,000	17,200,000
Effective interest rate	7.50%
Long-term Debt	0
Term Loan Facilities [Member]
Debt Instrument [Line Items]
Repayments of short-term debt				37,000,000
Early repayment of senior debt			135,200,000
Effective interest rate	6.50%
Long-term Debt	222,757,000			222,757,000
Repayment of long-term debt			135,200,000
Senior Unsecured 8.875% Notes
Debt Instrument [Line Items]
Face amount of debt instruments			200,000,000.0
Proceeds from issuance of debt			194,500,000
Stated rate on debt			8.875%
Long-term Debt	195,602,000			195,462,000
Debt discount			5,000,000
Debt Instrument Redemption Price Percentage Upon Change of Control			101.00%
Financing costs incurred with issuance of 2021 Notes			500,000
Senior Unsecured 8.875% Notes \| Redemption before February 2017
Debt Instrument [Line Items]
Maximum percentage of debt company is permitted to redeem			35.00%
Redemption price of debt, percent			108.875%
Exjade Litigation
Debt Instrument [Line Items]
Settlement agreement amount				15,000,000	15,000,000
Other Acquisition and Integration Expenses \| All current acquirees
Debt Instrument [Line Items]
Settlement agreement amount	0					325,000
Home Health Services
Debt Instrument [Line Items]
Proceeds from sale of Home Health business						54,200,000
SecondAmendment [Member] \| Senior credit facility \| Eurodollar
Debt Instrument [Line Items]
Basis spread on variable rate		6.00%
SecondAmendment [Member] \| Senior credit facility \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		5.00%
SecondAmendment [Member] \| Second Lien Debt
Debt Instrument [Line Items]
Additional debt allowed under debt agreements		150,000,000.0
SecondAmendment [Member] \| Unsecured Debt
Debt Instrument [Line Items]
Additional debt allowed under debt agreements		250,000,000.0
Percentage of debt proceeds to be applied to revolving credit facility		100.00%
ThirdAmendment [Member] \| Senior credit facility
Debt Instrument [Line Items]
Financing costs incurred with issuance of 2021 Notes	$ 1,200,000
Subsequent Event \| ThirdAmendment [Member] \| Senior Secured Revolving Credit Facility
Debt Instrument [Line Items]
Threshold percentage for revolver covenant triggering event							5.00%