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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2015
Statement of Comprehensive Income [Abstract] |  |  |
Net earnings | $ 4,620 | $ 3,877 | $ 3,640
Other comprehensive income (loss), net of tax |  |  |
Foreign currency translation adjustments | 231 | (217) | (346)
Change in unrecognized actuarial loss on pension obligations | 1,012 | 448 | (1,266)
Change in fair value of cash flow hedges | 64 | 23 | 5
Comprehensive income, net of tax | 5,927 | 4,131 | 2,033
Less comprehensive income attributable to the noncontrolling interest | 105 | 75 | 111
Total comprehensive income attributable to Kewaunee Scientific Corporation | $ 5,822 | $ 4,056 | $ 1,922

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831223 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 + Details
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