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New Accounting Standards	9 Months Ended
New Accounting Standards	Apr. 30, 2012
New Accounting Standards [Abstract]
New Accounting Standards	Note Q – New Accounting Standards In June 2011, the FASB updated the disclosure requirements for comprehensive income. The updated guidance requires companies to disclose the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. The updated guidance does not affect how earnings per share is calculated or presented. The updated guidance is effective for the Company beginning in the first quarter of Fiscal 2013. Since this standard impacts disclosure requirements only, its adoption will not have a material impact on the Company's consolidated financial statements. In December 2011, the FASB issued updated guidance to delay the effective date of certain provisions that relate to reclassification items until such time as the FASB has time to re-deliberate the presentation of those items.