Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Paragraph 4

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6510752

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-Name Accounting Standards Codification

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+ Details

Earnings Per Share (Details 1) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2013	Jan. 31, 2012
Shares excluded from the diluted earnings per share computations
Shares excluded from the calculation of diluted earnings per share	704	601	704	2,439
Stock Options [Member]
Shares excluded from the diluted earnings per share computations
Shares excluded from the calculation of diluted earnings per share	704	601	704	678
Non-vested restricted Class B common stock [Member]
Shares excluded from the diluted earnings per share computations
Shares excluded from the calculation of diluted earnings per share				1,761