Quarterly report pursuant to Section 13 or 15(d)

INTANGIBLE ASSETS AND GOODWILL (Tables)

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INTANGIBLE ASSETS AND GOODWILL (Tables)
 6 Months Ended
Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following provides a summary of the carrying value of amortizable intangible assets (in thousands):

As of
September 30, 2012 March 31, 2012
      Gross
Amount		       Accumulated
Amortization		       Net
Amount		       Gross
Amount		       Accumulated
Amortization		       Net
Amount
Purchased technology $      182,922 $      (179,389 ) $      3,533 $      182,922 $      (176,893 ) $      6,029
Trademarks 3,900 (3,900 )   —     3,900   (3,656 ) 244
Customer lists   106,419   (92,497 )   13,922 106,419   (86,929 ) 19,490
$ 293,241 $ (275,786 ) $ 17,455 $ 293,241 $ (267,478 ) $ 25,763
Schedule of Goodwill [Table Text Block]

The following table provides a summary of the goodwill balance at both September 30, 2012 and March 31, 2012 (in thousands):

      Goodwill       Accumulated
Impairment Losses		       Net Amount
Balance $      394,613 $           (339,000 )   $      55,613