Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Income Statement [Abstract]
Net sales	$ 498,255	$ 542,893
Cost of sales and distribution	388,646	456,146
Gross profit	109,609	86,747
Selling and marketing expenses	24,360	25,766
General and administrative expenses	35,594	30,180
Restructuring charges, net	(172)	0
Operating income	49,827	30,801
Interest expense, net	2,437	4,053
Pension settlement, net	0	(239)
Other (income) expense, net	(1,075)	226
Income before income taxes	48,465	26,761
Income tax expense	10,615	6,691
Net income	$ 37,850	$ 20,070
Weighted Average Shares Outstanding
Basic (in shares)	16,490,408	16,583,595
Diluted (in shares)	16,589,481	16,619,916
Net earnings per share
Basic (in usd per share)	$ 2.30	$ 1.21
Diluted (in usd per share)	$ 2.28	$ 1.21