Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Income Statement [Abstract]
Net sales	$ 542,893	$ 442,581
Cost of sales and distribution	456,146	389,235
Gross profit	86,747	53,346
Selling and marketing expenses	25,766	22,888
General and administrative expenses	30,180	23,734
Restructuring charges, net	0	313
Operating income	30,801	6,411
Interest expense, net	4,053	2,173
Pension settlement, net	(239)	0
Other (income) expense, net	226	28
Income before income taxes	26,761	4,210
Income tax expense	6,691	1,229
Net income	$ 20,070	$ 2,981
Weighted Average Shares Outstanding
Basic (in shares)	16,583,595	16,660,833
Diluted (in shares)	16,619,916	16,716,167
Net earnings per share
Basic (in usd per share)	$ 1.21	$ 0.18
Diluted (in usd per share)	$ 1.21	$ 0.18