SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2011	Mar. 31, 2010
Consolidation
Assets issued by the CLO	$ 314,617
Debt issued by the CLO	278,320
Cash and Cash Equivalents
Cash and cash equivalents maximum maturity period (in days)	90
Financial Instruments
Fair value of long-term debt	$ 1,322,960	$ 1,265,418