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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Jun. 30, 2014
FAIR VALUE MEASUREMENTS  
Segregation of all assets measured at fair value on a recurring basis
 
  June 30, 2014   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

  $ 610,469   $ 610,469   $   $   Cash and cash equivalents

Bank-time deposits

    48,250     48,250           Cash and cash equivalents

Corporate bonds

    19,369         19,369       Short-term investments