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Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Income Statement [Abstract]
Net Sales	$ 30,534	$ 32,003
Costs of products sold	24,386	25,427
Gross profit	6,148	6,576
Operating expenses	4,348	4,144
Operating earnings	1,800	2,432
Other income	126	80
Interest expense	(81)	(88)
Earnings before income taxes	1,845	2,424
Income tax expense	585	807
Net earnings	1,260	1,617
Less: net earnings attributable to the noncontrolling interest	26	30
Net earnings attributable to Kewaunee Scientific Corporation	$ 1,234	$ 1,587
Net earnings per share attributable to Kewaunee Scientific Corporation stockholders
Basic	$ 0.47	$ 0.61
Diluted	$ 0.47	$ 0.61
Weighted average number of common shares outstanding
Basic	2,620	2,596
Diluted	2,651	2,618

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