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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Jan. 31, 2018
Goodwill and Intangible Assets [Abstract] |
Activity in Goodwill by Segment | The following table summarizes the activity in goodwill by segment as of January 31, 2018:
|  | April 30, 2017 |  |  | Foreign Translation Adjustment |  |  | January 31, 2018 |
Research |  | $ | 437,928 |  |  | $ | 31,751 |  |  | $ | 469,679 |
Publishing |  |  | 283,192 |  |  |  | 14,543 |  |  |  | 297,735 |
Solutions |  |  | 260,981 |  |  |  | - |  |  |  | 260,981 |
Total |  | $ | 982,101 |  |  | $ | 46,294 |  |  | $ | 1,028,395 |
Excess of Estimated Fair Value over Carrying Value of Reporting Units | The excess of estimated fair values over carrying value, including goodwill for each of our reporting units as of the 2018 annual impairment test were the following:
|  | % by Which Estimated Fair value |
Reporting Unit |  | exceeds Carrying Value |
Research |  |  | 504.9 | %
Publishing |  |  | 151.3 | %
Solutions |  |  | 34.0 | %
Schedule of Intangible Assets | Identifiable intangible assets consisted of the following:
|  | January 31, |  |  | April 30, |
|  | 2018 |  |  | 2017 |
Intangible assets with indefinite lives: |  |  |  |  |  |
Brands and trademarks |  | $ | 140,127 |  |  | $ | 135,061 |
Content and publishing rights |  |  | 96,082 |  |  |  | 84,173 |
|  | $ | 236,209 |  |  | $ | 219,234 |
Net intangible assets with determinable lives: |  |  |  |  |  |  |  |
Content and publishing rights |  | $ | 449,358 |  |  | $ | 421,597 |
Customer relationships |  |  | 165,572 |  |  |  | 169,116 |
Brands and trademarks |  |  | 16,784 |  |  |  | 17,195 |
Covenants not to compete |  |  | 708 |  |  |  | 957 |
|  | $ | 632,422 |  |  | $ | 608,865 |
Total |  | $ | 868,631 |  |  | $ | 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 percentage of fair value of reporting unit in excess of carrying amount. + 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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