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Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Income Statement [Abstract]
Net Sales	$ 31,089	$ 30,534
Costs of products sold	25,246	24,386
Gross profit	5,843	6,148
Operating expenses	4,319	4,348
Operating earnings	1,524	1,800
Other income	102	126
Interest expense	(92)	(81)
Earnings before income taxes	1,534	1,845
Income tax expense	571	585
Net earnings	963	1,260
Less: net earnings attributable to the noncontrolling interest	23	26
Net earnings attributable to Kewaunee Scientific Corporation	$ 940	$ 1,234
Net earnings per share attributable to Kewaunee Scientific Corporation stockholders
Basic	$ 0.36	$ 0.47
Diluted	$ 0.35	$ 0.47
Weighted average number of common shares outstanding
Basic	2,630	2,620
Diluted	2,659	2,651

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