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Commitments and Contingencies (Tables) | 12 Months Ended
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Jul. 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Schedule of future minimum lease commitments under noncancelable capital and operating leases | The future minimum lease commitments for the next five fiscal years, under non-cancelable capital and operating leases with initial or remaining lease terms in excess of one year were as follows:
Years Ending July 31, (In thousands) |  | Capital Leases |  | Operating Leases
2019 |  | $ | 966 |  |  | $ | 29,773 |
2020 |  | 30 |  |  | 22,471 |
2021 |  | 13 |  |  | 18,515 |
2022 |  | — |  |  | 13,782 |
2023 |  | — |  |  | 11,680 |
Thereafter |  | — |  |  | 54,068 |
Subtotal |  | 1,009 |  |  | 150,289 |
Less: Amount relating to interest |  | (29 | ) |  | — |
Total |  | $ | 980 |  |  | $ | 150,289 |

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