CONSOLIDATED AND COMBINED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Former Net Parent Company Investment	Additional Paid-In Capital	Retained Earnings	Treasury Stock
Balance at Apr. 30, 2020	$ 224,098		$ 224,098
Net income	17,157		3,876		$ 13,281
Stock-based compensation	1,680			$ 1,680
Issuance of common stock under restricted stock unit awards, net of tax	(14)			(14)
Issuance of common stock under restricted stock unit awards, net of tax, shares		35,000
Net transfers from former Parent	34,783		34,783
Issuance of common stock and reclassification of former net parent company investment		$ 14	$ (262,757)	262,743
Issuance of common stock and reclassification of former net parent company investment, shares		13,975,000
Balance at Jan. 31, 2021	277,704	$ 14		264,409	13,281
Balance, shares at Jan. 31, 2021		14,010,000
Balance at Oct. 31, 2020	268,785	$ 14		263,519	5,252
Balance, shares at Oct. 31, 2020		13,992,000
Net income	8,029				8,029
Stock-based compensation	904			904
Issuance of common stock under restricted stock unit awards, net of tax, shares		18,000
Issuance of common stock and reclassification of former net parent company investment	(14)			(14)
Balance at Jan. 31, 2021	277,704	$ 14		264,409	13,281
Balance, shares at Jan. 31, 2021		14,010,000
Balance at Apr. 30, 2021	$ 279,905	$ 14		265,362	14,529
Balance, shares at Apr. 30, 2021	14,059,440	14,059,000
Net income	$ 11,806				11,806
Stock-based compensation	2,336			2,336
Shares issued under employee stock purchase plan	408			408
Shares issued under employee stock purchase plan, shares		35,000
Proceeds from exercise of stock options	5			5
Proceeds from exercise of stock options, shares		3,000
Issuance of common stock under restricted stock unit awards, net of tax	(528)			(528)
Issuance of common stock under restricted stock unit awards, net of tax, shares		91,000
Repurchase of treasury stock	(7,011)					$ (7,011)
Repurchase of treasury stock, shares						364,000
Balance at Jan. 31, 2022	$ 286,921	$ 14		267,583	26,335	$ (7,011)
Balance, shares at Jan. 31, 2022	13,823,635	14,188,000				364,000
Balance at Oct. 31, 2021	$ 289,269	$ 14		266,686	22,569
Balance, shares at Oct. 31, 2021		14,183,000
Net income	3,766				3,766
Stock-based compensation	920			920
Issuance of common stock under restricted stock unit awards, net of tax	(23)			(23)
Issuance of common stock under restricted stock unit awards, net of tax, shares		5,000
Repurchase of treasury stock	(7,011)					$ (7,011)
Repurchase of treasury stock, shares						364,000
Balance at Jan. 31, 2022	$ 286,921	$ 14		$ 267,583	$ 26,335	$ (7,011)
Balance, shares at Jan. 31, 2022	13,823,635	14,188,000				364,000