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FAIR VALUE MEASUREMENTS (Tables)
12 Months Ended
Mar. 31, 2013
FAIR VALUE MEASUREMENTS  
Segregation of all assets measured at fair value on a recurring basis

 

  March 31, 2013   Quoted prices
in active markets
for identical assets
(level 1)
  Significant other
observable inputs
(level 2)
  Significant
unobservable
inputs
(level 3)
  Balance Sheet
Classification

Money market funds

  $ 182,122   $ 182,122   $   $   Cash and cash equivalents

Bank-time deposits

  $ 81,698   $ 81,698   $   $   Cash and cash equivalents