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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Apr. 30, 2019
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Other Intangible Assets | The net book value of these assets was as follows:
| April 30, 2019 |  | July 31, 2018
| Weighted Average Amortization Period (Years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Book Value |  | Weighted Average Amortization Period (Years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Book Value
Amortized other intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships and other | 8 |  | $ | 52,203 |  |  | $ | (33,487 | ) |  | $ | 18,716 |  |  | 9 |  | $ | 61,944 |  |  | $ | (38,872 | ) |  | $ | 23,072 |
Unamortized other intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trademarks | N/A |  | 19,419 |  |  | — |  |  | 19,419 |  |  | N/A |  | 19,516 |  |  | — |  |  | 19,516 |
Total |  |  | $ | 71,622 |  |  | $ | (33,487 | ) |  | $ | 38,135 |  |  |  |  | $ | 81,460 |  |  | $ | (38,872 | ) |  | $ | 42,588 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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