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Earnings per Common Share (Tables)

12 Months Ended

Aug. 31, 2012

Earnings per Common Share [Abstract]

Schedule of the Reconciliation of Net Income to Net Income Available to Common Shareholders

		Fiscal Year Ended August 31,
		2012				2011				2010
Net income		$	35,485			$	36,433			$	36,095
Less: Net income allocated to participating securities			(152	)			(130	)			(120	)
Net income available to common shareholders		$	35,333			$	36,303			$	35,975

Summary of the Weighted-Average Calculation of Basic and Diluted EPS

		Fiscal Year Ended August 31,
		2012				2011				2010
Weighted-average common shares outstanding, basic			15,914				16,803				16,606
Weighted-average dilutive securities			132				179				119
Weighted-average common shares outstanding, diluted			16,046				16,982				16,725

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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 55

-Paragraph 52

-URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

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-Section 45

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-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

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-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257



Reference 4: 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 5: 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

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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

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