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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 1,359	$ (6,003)
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	(290)	(186)
Change in unrecognized actuarial loss on pension obligations	590	21
Comprehensive income (loss), net of tax	1,659	(6,168)
Less comprehensive income attributable to the non-controlling interest	621	123
Total comprehensive income (loss) attributable to Kewaunee Scientific Corporation	$ 1,038	$ (6,291)

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