1. DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Medicare [Member]	Mar. 31, 2012 Medicare [Member]	Mar. 31, 2013 Medicaid [Member]	Mar. 31, 2012 Medicaid [Member]	Mar. 31, 2013 Managed Care [Member]	Dec. 31, 2012 Managed Care [Member]	Mar. 31, 2013 Indemnity Self Pay And Other [Member]	Mar. 31, 2012 Indemnity Self Pay And Other [Member]	Mar. 31, 2013 Total [Member]	Mar. 31, 2012 Total [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Sources of patient service revenues	$ 428,100	$ 402,564	$ 55,570	$ 58,046	$ 100,561	$ 80,153	$ 203,058	$ 201,758	$ 68,911	$ 62,607	$ 428,100	$ 402,564