Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Cash flows from operating activities:
Net income	$ 448,213	$ 414,952
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	296,204	257,453
Amortization of debt issuance costs	1,132	833
Change in excess replacement cost over LIFO inventory valuation	9,358	7,786
Share-based compensation	35,489	29,349
Loss on disposal of assets and impairment charges	8,993	892
Deferred income taxes	51,204	48,213
Changes in assets and liabilities:
Receivables	12,067	(15,146)
Inventories	(8,129)	(33,762)
Prepaid and other current assets	(11,287)	(7,839)
Accounts payable	(78,246)	(93,480)
Accrued expenses	(5,617)	(10,905)
Income taxes	276	2,335
Other, net	(2,661)	3,919
Net cash provided by operating activities	756,996	604,600
Cash flows from investing activities:
Purchase of property and equipment	(325,499)	(325,726)
Payments for acquisition of businesses, net of cash acquired	(1,211,567)	(296,809)
Proceeds from sales of assets	14,529	20,351
Net cash used in investing activities	(1,522,537)	(602,184)
Cash flows from financing activities:
Proceeds from long-term debt	1,100,000	0
Payments of long-term debt and finance lease obligations	(60,981)	(48,364)
Payments of Debt Issuance Costs	5,292	0
Payments of cash dividends	(53,745)	(46,975)
Repurchase of common stock and payment of related excise taxes	(734)	(89,768)
Tax withholdings on employee share-based awards	(25,374)	(18,297)
Net cash provided by (used in) financing activities	953,874	(203,404)
Net increase (decrease) in cash and cash equivalents	188,333	(200,988)
Cash and cash equivalents at beginning of the period	206,482	378,869
Cash and cash equivalents at end of the period	394,815	177,881
Cash paid during the period for:
Interest, net of amount capitalized	52,565	43,316
Income taxes, net	84,506	72,037
Noncash activities:
Purchased property and equipment in accounts payable	69,299	82,785
Right-of-use assets obtained in exchange for new finance lease liabilities	12,590	14,035
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 315,124	$ 12,613