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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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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+ Details

Earnings Per Share (Details 1) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Shares excluded from the diluted earnings per share computations
Shares excluded from the calculation of diluted earnings per share	703	565	703	2,462
Stock Options [Member]
Shares excluded from the diluted earnings per share computations
Shares excluded from the calculation of diluted earnings per share	703	565	703	704
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				1,758