1. DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Sources of patient service revenues	$ 237,519	$ 90,747
Medicare [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Sources of patient service revenues	12,293	14,762
Medicaid [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Sources of patient service revenues	156,401	8,784
Managed Care [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Sources of patient service revenues	49,155	51,726
Indemnity Self Pay And Other [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Sources of patient service revenues	$ 19,670	$ 15,475