Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Apr. 30, 2018	$ 47,730	$ 6,841	$ 3,006	$ (53)	$ 43,836	$ (5,900)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Kewaunee Scientific Corporation	1,489				1,489
Other comprehensive income (loss)	(384)					(384)
Cash dividends paid	(465)				(465)
Stock options exercised		13	(13)
Stock based compensation	106	7	99
Ending balance at Jul. 31, 2018	48,693	6,861	3,092	(53)	45,077	(6,284)
Beginning balance at Apr. 30, 2018	47,730	6,841	3,006	(53)	43,836	(5,900)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Kewaunee Scientific Corporation	2,821
Other comprehensive income (loss)	(1,108)
Ending balance at Oct. 31, 2018	49,591	6,869	3,224	(53)	46,559	(7,008)
Beginning balance at Jul. 31, 2018	48,693	6,861	3,092	(53)	45,077	(6,284)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Kewaunee Scientific Corporation	1,332				1,332
Other comprehensive income (loss)	(724)					(724)
Cash dividends paid	(521)				(521)
Stock options exercised		8	(8)
Stock based compensation	140		140
Ending balance at Oct. 31, 2018	49,591	6,869	3,224	(53)	46,559	(7,008)
Beginning balance at Apr. 30, 2019	47,100	6,875	3,133	(53)	43,552	(6,407)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Kewaunee Scientific Corporation	471				471
Other comprehensive income (loss)	195					195
Cash dividends paid	(522)				(522)
Stock based compensation	60	9	51
Ending balance at Jul. 31, 2019	47,304	6,884	3,184	(53)	43,501	(6,212)
Beginning balance at Apr. 30, 2019	47,100	6,875	3,133	(53)	43,552	(6,407)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Kewaunee Scientific Corporation	(1,707)
Other comprehensive income (loss)	18
Ending balance at Oct. 31, 2019	44,468	6,884	3,226	(53)	40,800	(6,389)
Beginning balance at Jul. 31, 2019	47,304	6,884	3,184	(53)	43,501	(6,212)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Kewaunee Scientific Corporation	(2,178)				(2,178)
Other comprehensive income (loss)	(177)					(177)
Cash dividends paid	(523)				(523)
Stock based compensation	42		42
Ending balance at Oct. 31, 2019	$ 44,468	$ 6,884	$ 3,226	$ (53)	$ 40,800	$ (6,389)

Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

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