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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2017	Jan. 31, 2016
Statement of Comprehensive Income [Abstract]
Net earnings	$ 358	$ 848	$ 3,225	$ 2,518
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(63)	(221)	(232)	(435)
Change in fair value of cash flow hedge	35		53	11
Other comprehensive income (loss)	(28)	(221)	(179)	(424)
Comprehensive income, net of tax	330	627	3,046	2,094
Less: comprehensive income attributable to the noncontrolling interest	17	18	98	53
Comprehensive income attributable to Kewaunee Scientific Corporation	$ 313	$ 609	$ 2,948	$ 2,041

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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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