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Calculation of Weighted Average Common Shares and Common Equivalent Shares Outstanding (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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| Schedule Of Computation Of Basic And Diluted Earnings Per Common Share [Line Items] | ||
| Net earnings available to common stockholders | $ 22,013 | $ 8,685 |
| Weighted average number of common share equivalents: | ||
| Common shares used in basic earnings per share | 12,827,918 | 12,704,538 |
| Common share equivalents outstanding related to stock options | 98,896 | 130,558 |
| Total weighted average common shares and common share equivalents used in diluted earnings per share | 12,926,814 | 12,835,096 |
| Basic earnings per common share | $ 1.72 | $ 0.68 |
| Diluted earnings per common share | $ 1.70 | $ 0.68 |
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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