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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Apr. 30, 2017
Goodwill and Intangible Assets [Abstract] |
Activity in Goodwill by Segment | The following table summarizes the activity in goodwill by segment as of April 30 (in thousands):
| 2016 | Acquisitions | Foreign Translation Adjustment | 2017
Research | $406,395 | 69,867 | $(38,334) | $437,928
Publishing | 284,217 | - | (1,025) | 283,192
Solutions | 261,051 | 3,405 | (3,475) | 260,981
Total | $951,663 | $73,272 | $(42,834) | $982,101
Schedule of Intangible Assets | Intangible assets as of April 30 were as follows (in thousands):
|  | 2017 |  | 2016
|  | Cost | Accumulated Amortization |  | Cost | Accumulated Amortization
Intangible Assets with Determinable Lives |  |  |  |  |  |
Content and Publishing Rights |  | $775,520 | $(353,923) |  | $790,055 | $(333,174)
Customer Relationships |  | 233,872 | (64,756) |  | 224,839 | (54,677)
Brands & Trademarks |  | 35,554 | (18,359) |  | 30,116 | (15,713)
Covenants not to Compete |  | 2,377 | (1,420) |  | 1,687 | (1,011)
|  | 1,047,323 | (438,458) |  | 1,046,697 | (404,575)
Intangible Assets with Indefinite Lives |  |  |  |  |  |
Brands & Trademarks |  | 135,061 | - |  | 147,683 | -
Content and Publishing Rights |  | 84,173 | - |  | 87,202 | -
|  | $1,266,557 | $(438,458) |  | $1,281,582 | $(404,575)

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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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