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Commitments and Contingencies (Tables) | 12 Months Ended
--- | ---
Jul. 31, 2012
Commitments and Contingencies Disclosure [Abstract] |
Schedule of future minimum lease commitments under noncancelable capital and operating leases |
Years Ending July 31, |  |  |  | Capital Leases |  | Operating Leases
--- | --- | --- | --- | --- | --- | ---
2013 |  |  |  | $ | 198 |  |  | $ | 17,208 |
2014 |  |  |  |  | 126 |  |  |  | 13,684 |
2015 |  |  |  |  | — |  |  |  | 11,156 |
2016 |  |  |  |  | — |  |  |  | 9,184 |
2017 |  |  |  |  | — |  |  |  | 7,655 |
Thereafter |  |  |  |  | — |  |  |  | 46,396 |
|  |  |  |  | 324 |  |  | $ | 105,283 |
Less amount representing interest |  |  |  |  | (17 | ) |  |  |  |
|  |  |  | $ | 307 |  |  |  |  |

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