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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Apr. 30, 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) |  | April 30, 2019 |  | July 31, 2018
Amortized intangibles: |  |  |  |
Supply contracts & customer relationships |  | $ | 49,103 |  |  | $ | 71,787 |
Trade name |  | 23,529 |  |  | 24,173 |
Licenses and databases |  | 7,693 |  |  | 9,291 |
Covenants not to compete |  | — |  |  | 1,666 |
Accumulated amortization |  | (22,698 | ) |  | (42,025 | )
Net intangibles |  | $ | 57,627 |  |  | $ | 64,892 |
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, 2018 |  | $ | 337,235 |
Goodwill adjustments and acquisitions during the period |  | 563 |
Effect of foreign currency exchange rates |  | (73 | )
Balance as of April 30, 2019 |  | $ | 337,725 |

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