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Net Earnings Per Share (Tables) | 9 Months Ended
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May 31, 2013
Net Earnings Per Share [Abstract] |
Schedule Of Computation Of Basic And Diluted Net Earnings Per Share |
|  | Three months ended |  | Nine months ended
|  | May 31, |  | May 31, |  | May 31, |  | May 31,
($ and shares in thousands, except per share amounts) |  | 2013 |  | 2012 |  | 2013 |  | 2012
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net earnings |  | $ | 26,063 |  | $ | 18,823 |  | $ | 60,142 |  | $ | 34,518
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 12,858 |  |  | 12,714 |  |  | 12,819 |  |  | 12,700
Diluted effect of stock equivalents |  |  | 89 |  |  | 100 |  |  | 75 |  |  | 99
Weighted average shares outstanding assuming dilution |  |  | 12,947 |  |  | 12,814 |  |  | 12,894 |  |  | 12,799
Basic net earnings per share |  | $ | 2.03 |  | $ | 1.48 |  | $ | 4.69 |  | $ | 2.72
Diluted net earnings per share |  | $ | 2.01 |  | $ | 1.47 |  | $ | 4.66 |  | $ | 2.70

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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