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Earnings Per Share (Details Textual)
3 Months Ended 9 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Earning Per Share (Textual) [Abstract]        
Options excluded from the computation of diluted net income per share 1,386 1,250 1,347 1,027