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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Oct. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of aggregate amortization expense on intangible assets | The following table sets forth amortizable intangible assets by major asset class:
(In thousands) |  | October 31, 2019 |  | July 31, 2019
Amortized intangibles: |  |  |  |
Supply contracts and customer relationships |  | $ | 49,072 |  |  | $ | 49,109 |
Trade names |  | 23,518 |  |  | 23,501 |
Licenses and databases |  | 7,695 |  |  | 7,688 |
Accumulated amortization |  | (27,668 | ) |  | (25,142 | )
Net intangibles |  | $ | 52,617 |  |  | $ | 55,156 |
Schedule of change in carrying amount of goodwill (in thousands) | The change in the carrying amount of goodwill was as follows (in thousands):
Balance as of July 31, 2019 |  | $ | 333,321 |
Effect of foreign currency exchange rates |  | 3,858 |
Balance as of October 31, 2019 |  | $ | 337,179 |

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