Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Income Statement [Abstract]
Total revenue	$ 4,567,106	$ 4,097,737
Cost of goods sold (exclusive of depreciation and amortization, shown separately below)	3,454,660	3,142,481
Operating expenses	698,176	609,474
Depreciation and amortization	108,963	94,409
Interest, net	26,850	14,067
Income before income taxes	278,457	237,306
Federal and state income taxes	63,102	57,108
Net income	$ 215,355	$ 180,198
Net income per common share
Basic (in dollars per share)	$ 5.80	$ 4.86
Diluted (in dollars per share)	$ 5.77	$ 4.83
Basic weighted average shares outstanding (in shares)	37,148,383	37,087,231
Plus effect of stock compensation (in shares)	203,697	190,463
Diluted weighted average shares outstanding (in shares)	37,352,080	37,277,694