Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Income Statement [Abstract]
Net sales	$ 473,867	$ 561,499	$ 972,122	$ 1,104,392
Cost of sales and distribution	370,708	462,765	759,354	918,911
Gross Profit	103,159	98,734	212,768	185,481
Selling and marketing expenses	22,685	24,651	47,045	50,417
General and administrative expenses	35,036	32,101	70,630	62,281
Restructuring charges, net	(26)	0	(198)	0
Operating Income	45,464	41,982	95,291	72,783
Interest expense, net	1,953	4,422	4,390	8,475
Pension settlement, net	0	(6)	0	(245)
Other expense (income), net	3,050	(897)	1,975	(671)
Income Before Income Taxes	40,461	38,463	88,926	65,224
Income tax expense	10,120	9,679	20,735	16,370
Net Income	$ 30,341	$ 28,784	$ 68,191	$ 48,854
Weighted Average Shares Outstanding
Basic (in shares)	16,322,069	16,614,677	16,406,239	16,599,136
Diluted (in shares)	16,420,760	16,657,454	16,505,266	16,638,741
Net earnings per share
Basic (in usd per share)	$ 1.86	$ 1.73	$ 4.16	$ 2.94
Diluted (in usd per share)	$ 1.85	$ 1.73	$ 4.13	$ 2.94