Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Income Statement [Abstract]
Net sales	$ 561,499	$ 453,163	$ 1,104,392	$ 895,744
Cost of sales and distribution	462,765	401,549	918,911	790,784
Gross profit	98,734	51,614	185,481	104,960
Selling and marketing expenses	24,651	21,484	50,417	44,372
General and administrative expenses	32,101	24,623	62,281	48,357
Restructuring charges, net	0	(3)	0	310
Operating income	41,982	5,510	72,783	11,921
Interest expense, net	4,422	2,360	8,475	4,533
Pension settlement, net	(6)	0	(245)	0
Other (income) expense, net	(897)	840	(671)	868
Income before income taxes	38,463	2,310	65,224	6,520
Income tax expense	9,679	280	16,370	1,509
Net income	$ 28,784	$ 2,030	$ 48,854	$ 5,011
Weighted Average Shares Outstanding
Basic (in shares)	16,614,677	16,567,391	16,599,136	16,614,112
Diluted (in shares)	16,657,454	16,605,911	16,638,741	16,662,791
Net earnings per share
Basic (in usd per share)	$ 1.73	$ 0.12	$ 2.94	$ 0.30
Diluted (in usd per share)	$ 1.73	$ 0.12	$ 2.94	$ 0.30