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Contingent Liabilities and Commitments (Tables) | 6 Months Ended
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Jan. 31, 2014
Losses Due to Repurchases Under Repurchase Agreements | The table below reflects losses incurred under repurchase agreements in the periods noted. The Company believes that any future losses under these agreements will not have a significant effect on the Company’s consolidated financial position, results of operations or cash flows.
|  | Three Months Ended January 31, |  |  | Six Months Ended January 31, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Cost of units repurchased |  | $ | 326 |  |  | $ | 1,526 |  |  | $ | 449 |  |  | $ | 2,128 |
Realization of units resold |  |  | 289 |  |  |  | 1,264 |  |  |  | 390 |  |  |  | 1,769 |
Losses due to repurchase |  | $ | 37 |  |  | $ | 262 |  |  | $ | 59 |  |  | $ | 359 |

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- Definition Schedule of Loss Due to Repurchase Units under Repurchase Agreements + References No definition available. + Details
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