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Shareholders' Equity (Tables) | 12 Months Ended
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Mar. 31, 2013
Equity [Abstract] |
Schedule of dividend declared |
|  | Per Share |  |  |  | Total Amount |  |
Declaration Date |  | Dividend |  | Record Date |  | (In thousands) |  | Payment Date
May 7, 2012 |  | $ | 0.150 |  | May 14, 2012 |  | $ | 3,050 |  | May 25, 2012
July 30, 2012 |  | $ | 0.150 |  | August 13, 2012 |  | $ | 3,049 |  | August 24, 2012
October 29, 2012 |  | $ | 0.150 |  | November 9, 2012 |  | $ | 3,001 |  | November 23, 2012
December 3, 2012 |  | $ | 1.000 |  | December 14, 2012 |  | $ | 20,001 |  | December 24, 2012
January 28, 2013 |  | $ | 0.150 |  | February 8, 2013 |  | $ | 3,000 |  | February 22, 2013

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- Definition Tabular disclosure of dividend declared by Board of Directors. + References No definition available. + Details
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- Details
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