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FAIR VALUE MEASUREMENTS (Details 2) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Sep. 30, 2013
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Roll forward of the fair value of the Company's investments whose fair value was determined using Level 3 inputs  
Number of investments transferred from level 1 to level 2 0
Number of investments transferred from level 2 to level 1 0
Conversion of investment from cost method to available-for-sale $ 807
Balance at the end of the period $ 807