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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $)
In Thousands
12 Months Ended
Mar. 31, 2011
Mar. 31, 2010
Mar. 31, 2009
Noncontrolling Interests Redeemable.      
Balance, beginning of period $ 29,577 $ 31,020 $ 92
Net income attributable to redeemable noncontrolling interests 5,584 6,623 2,924
Net (redemptions/distributions paid)/subscriptions received from noncontrolling interest holders 1,551 (8,066) 28,004
Balance, end of period $ 36,712 $ 29,577 $ 31,020