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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Apr. 30, 2020
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) |  | April 30, 2020 |  | July 31, 2019
Amortized intangibles: |  |  |  |
Supply contracts and customer relationships |  | $ | 49,455 |  |  | $ | 49,109 |
Trade names |  | 23,477 |  |  | 23,501 |
Licenses and databases |  | 7,817 |  |  | 7,688 |
Accumulated amortization |  | (32,078) |  |  | (25,142) |
Net intangibles |  | $ | 48,671 |  |  | $ | 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 |
Acquisitions during the period |  | 3,672 |
Effect of foreign currency exchange rates |  | 1,046 |
Balance as of April 30, 2020 |  | $ | 338,039 |

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