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Intangibles, Net (Tables) | 12 Months Ended
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Jul. 31, 2015
Intangible Assets, Net (Excluding Goodwill) [Abstract] |
Schedule of intangible assets | The following table sets forth amortizable intangible assets by major asset class:
| Gross Carrying Amount |  | Accumulated Amortization | Net Book Value |  | Weighted Average Remaining Useful Life (in years)
| July 31, |  | July 31, |  | July 31, |  | July 31,
(In thousands, except remaining useful life) | 2015 |  | 2014 |  | 2015 |  | 2014 |  | 2015 |  | 2014 |  | 2015 |  | 2014
Amortized intangibles: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Covenants not to compete | $ | 1,691 |  |  | $ | 1,797 |  |  | $ | (900 | ) |  | $ | (615 | ) |  | $ | 791 |  |  | $ | 1,182 |  |  | 3 |  | 4
Supply contracts & customer relationships | 27,506 |  |  | 29,128 |  |  | (13,551 | ) |  | (9,747 | ) |  | 13,955 |  |  | 19,381 |  |  | 4 |  | 5
Trade name | 5,129 |  |  | 5,791 |  |  | (2,467 | ) |  | (1,479 | ) |  | 2,662 |  |  | 4,312 |  |  | 3 |  | 4
Licenses and databases | 2,498 |  |  | 1,810 |  |  | (2,049 | ) |  | (1,443 | ) |  | 449 |  |  | 367 |  |  | 2 |  | 3
Intangibles, net | $ | 36,824 |  |  | $ | 38,526 |  |  | $ | (18,967 | ) |  | $ | (13,284 | ) |  | $ | 17,857 |  |  | $ | 25,242 |  |  |  |  |
Schedule of aggregate amortization expense on intangible assets | Intangible amortization expense for the next five fiscal years based upon July 31, 2015 intangible assets is expected to be as follows:
(In thousands) |
2016 | $ | 5,811 |
2017 | 5,497 |
2018 | 4,414 |
2019 | 817 |
2020 | 574 |
Thereafter | 744 |
Total future intangible amortization expense | $ | 17,857 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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