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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Oct. 31, 2015
Accounting Policies [Abstract] |
Summary Of Estimated Fair Value Of Financial Instruments | October 31, 2015 is presented below (in thousands):
|  | October 31, 2015
|  | Carrying Value |  | Fair Value
Other long-term debt |  | $ | 11,410 |  |  | $ | 11,806 |

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