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Segment Information | 6 Months Ended
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Oct. 31, 2018
Segment Information [Abstract] |
Segment Information | Note 8 — Segment Information We report our segment information in accordance with the provisions of FASB ASC Topic 280. Segment information is as follows:
|  | Three Months Ended October 31, |  |  | Six Months Ended October 31, |
|  | 2018 |  |  | 2017 (1) |  |  | 2018 |  |  | 2017 (1) |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |
Research |  | $ | 228,645 |  |  | $ | 228,870 |  |  | $ | 453,637 |  |  | $ | 452,497 |
Publishing |  |  | 157,499 |  |  |  | 164,985 |  |  |  | 282,420 |  |  |  | 296,263 |
Solutions |  |  | 62,478 |  |  |  | 57,876 |  |  |  | 123,466 |  |  |  | 114,415 |
Total Revenue |  | $ | 448,622 |  |  | $ | 451,731 |  |  | $ | 859,523 |  |  | $ | 863,175 |
Contribution to Profit: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research |  | $ | 58,907 |  |  | $ | 70,146 |  |  | $ | 116,033 |  |  | $ | 130,608 |
Publishing |  |  | 39,455 |  |  |  | 41,913 |  |  |  | 53,175 |  |  |  | 46,383 |
Solutions |  |  | 7,049 |  |  |  | 7,309 |  |  |  | 10,273 |  |  |  | 5,341 |
Total Contribution to Profit (1) |  | $ | 105,411 |  |  | $ | 119,368 |  |  | $ | 179,481 |  |  | $ | 182,332 |
Corporate Expenses |  |  | (47,936 | ) |  |  | (38,580 | ) |  |  | (85,866 | ) |  |  | (88,974 | )
Operating Income (1) |  | $ | 57,475 |  |  | $ | 80,788 |  |  | $ | 93,615 |  |  | $ | 93,358 |
(1) | Due to the retrospective adoption of ASU 2017-07, total net benefits of $2.0 million and $3.9 million related to the non-service components of defined benefit and other post-employment benefit plans were reclassified from Operating and Administrative Expenses to Interest Income and Other for the three and six months ended October 31, 2017, respectively. Refer to Note 2, "Recent Accounting Standards," in the Notes to Condensed Consolidated Financial Statements for more information. The impact of the reclassification on Contribution to Profit by segment for the three months ended October 31, 2017 was $1.0 million in Research, $0.6 million in Publishing, and $0.4 million in Corporate expenses. The impact of the reclassification on Contribution to Profit by segment for the six months ended October 31, 2017 was $2.0 million in Research, $1.1 million in Publishing, and $0.8 million in Corporate expenses.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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