Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Income Statement [Abstract]
Total revenue	$ 4,097,737	$ 3,869,251
Cost of goods sold (exclusive of depreciation and amortization, shown separately below)	3,142,481	2,991,497
Operating expenses	609,474	560,855
Depreciation and amortization	94,409	82,905
Interest, net	14,067	12,495
Income before income taxes	237,306	221,499
Federal and state income taxes	57,108	52,262
Net income	$ 180,198	$ 169,237
Net income per common share
Basic (in dollars per share)	$ 4.86	$ 4.54
Diluted (in dollars per share)	$ 4.83	$ 4.52
Basic weighted average shares outstanding (in shares)	37,087,231	37,300,952
Plus effect of stock compensation (in shares)	190,463	155,187
Diluted weighted average shares outstanding (in shares)	37,277,694	37,456,139