Annual report pursuant to Section 13 and 15(d)

401K PLAN (Details Textual)

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401K PLAN (Details Textual) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 2.8 $ 3.0 $ 2.6