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Earnings Per Common Share (Tables) | 12 Months Ended
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Mar. 31, 2012
Earnings Per Common Share [Abstract] |
Reconciliation of basic and diluted earnings per common share |
|  | Year Ended Fiscal March |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Numerator for earnings per common share calculation: |  |  |  |  |  |  |  |  |  |  |  |
Net Income |  | $ | 54,612 |  |  | $ | 45,841 |  |  | $ | 33,191 |
Less: Preferred stock dividends |  |  | (266 | ) |  |  | (213 | ) |  |  | (172 | )
Income available to common stockholders |  | $ | 54,346 |  |  | $ | 45,628 |  |  | $ | 33,019 |
Denominator for earnings per common share calculation: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares, basic |  |  | 30,716 |  |  |  | 30,200 |  |  |  | 29,508 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock |  |  | 760 |  |  |  | 760 |  |  |  | 760 |
Stock options |  |  | 761 |  |  |  | 847 |  |  |  | 710 |
Weighted average common shares, diluted |  |  | 32,237 |  |  |  | 31,807 |  |  |  | 30,978 |
Basic earnings per common share: |  | $ | 1.77 |  |  | $ | 1.52 |  |  | $ | 1.12 |
Diluted earnings per common share: |  | $ | 1.69 |  |  | $ | 1.44 |  |  | $ | 1.07 |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 260 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (a) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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