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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Oct. 31, 2017
Goodwill and Intangible Assets [Abstract] |
Activity in Goodwill by Segment | The following table summarizes the activity in goodwill by segment as of October 31 (in thousands):
|  |  |  |  | Foreign |  |  |  |
|  |  |  |  | Translation |  |  |  |
|  | April 30,2017 |  |  | Adjustment |  |  | October 31,2017 |
Research |  | $ | 437,928 |  |  | $ | 9,569 |  |  | $ | 447,497 |
Publishing |  |  | 283,192 |  |  |  | 7,876 |  |  |  | 291,068 |
Solutions |  |  | 260,981 |  |  |  | - |  |  |  | 260,981 |
Total |  | $ | 982,101 |  |  | $ | 17,445 |  |  | $ | 999,546 |
|  |  |  |  | Foreign |  |  |
|  |  |  |  | Translation |  |  |
| April 30,2016 |  | Acquisitions |  | Adjustment |  | October 31,2016 |
Research |  | $ | 406,395 |  |  | $ | 74,119 |  |  | $ | (51,110 | ) |  | $ | 429,404 |
Publishing |  |  | 284,217 |  |  |  | - |  |  |  | (4,709 | ) |  |  | 279,508 |
Solutions |  |  | 261,051 |  |  |  | 4,105 |  |  |  | - |  |  |  | 265,156 |
Total |  | $ | 951,663 |  |  | $ | 78,224 |  |  | $ | (55,819 | ) |  | $ | 974,068 |
Schedule of Intangible Assets | Intangible assets consisted of the following (in thousands):
|  | October 31, |  |  | April 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |
Intangible assets with indefinite lives: |  |  |  |  |  |  |  |  |
Brands and trademarks |  | $ | 133,180 |  |  | $ | 130,632 |  |  | $ | 135,061 |
Content and publishing rights |  |  | 90,815 |  |  |  | 84,274 |  |  |  | 84,173 |
|  | $ | 223,995 |  |  | $ | 214,906 |  |  | $ | 219,234 |
Net intangible assets with determinable lives: |  |  |  |  |  |  |  |  |  |  |  |
Content and publishing rights |  | $ | 420,508 |  |  | $ | 406,467 |  |  | $ | 421,597 |
Customer relationships |  |  | 166,006 |  |  |  | 182,584 |  |  |  | 169,116 |
Brands and trademarks |  |  | 17,246 |  |  |  | 17,522 |  |  |  | 17,195 |
Covenants not to compete |  |  | 769 |  |  |  | 1,483 |  |  |  | 957 |
|  | $ | 604,529 |  |  | $ | 608,056 |  |  | $ | 608,865 |
Total |  | $ | 828,524 |  |  | $ | 822,962 |  |  | $ | 828,099 |

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- Definition Tabular disclosure of the carrying value of intangible assets, excluding goodwill, in total and by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of the company. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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