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Earnings Per Common Share (Tables) | 12 Months Ended
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Aug. 31, 2013
Earnings Per Common Share [Abstract] |
Schedule Of Reconciliation Of Net Income To Net Income Available To Common Shareholders |
| Fiscal Year Ended August 31,
| 2013 |  | 2012 |  | 2011
Net income | $ | 39,813 |  | $ | 35,485 |  | $ | 36,433
Less: Net income allocated to participating securities |  | (196) |  |  | (152) |  |  | (130)
Net income available to common shareholders | $ | 39,617 |  | $ | 35,333 |  | $ | 36,303
Schedule Of Weighted Average Number Of Shares |
| Fiscal Year Ended August 31,
| 2013 |  | 2012 |  | 2011
Weighted-average common shares outstanding, basic |  | 15,517 |  |  | 15,914 |  |  | 16,803
Weighted-average dilutive securities |  | 102 |  |  | 132 |  |  | 179
Weighted-average common shares outstanding, diluted |  | 15,619 |  |  | 16,046 |  |  | 16,982

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- Definition Tabular disclosure of the effect of income (loss) on basic earnings per share. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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