Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Cash flows from operating activities:
Net income	$ 219,692	$ 257,398
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	97,759	96,085
Write-off and amortization of debt discount and debt issuance costs	3,374	1,176
Equity-based compensation	16,507	17,289
Gain on disposal of assets	(663)	(614)
Deferred income taxes	(6,410)	(1,951)
Other items, net	3,876	5,891
Changes in assets and liabilities net of effects of acquisitions:
Trade accounts and notes receivable	2,691	(28,148)
Inventories	7	(34,717)
Prepaid expenses and other assets	(19,184)	(907)
Accounts payable	(56,803)	(51,491)
Accrued compensation and employee benefits	(21,505)	(16,469)
Other accrued expenses and liabilities	(10,315)	(6,615)
Cash provided by operating activities	229,026	236,927
Cash flows from investing activities:
Purchases of property and equipment	(39,728)	(33,250)
Proceeds from sale of assets	1,948	1,661
Acquisition of businesses, net of cash acquired	(55,402)	(20,415)
Cash used in investing activities	(93,182)	(52,004)
Cash flows from financing activities:
Repayments on revolving credit facilities	(525,009)	(361,247)
Borrowings from revolving credit facilities	443,973	390,113
Payments of principal on long-term debt	(1,250)	(3,832)
Borrowings from term loan amendment	288,266	0
Repayments from term loan amendment	(287,769)	0
Payments of principal on finance lease obligations	(30,381)	(26,167)
Repurchases of common stock	(100,292)	(82,767)
Payment of acquisition holdback liability	0	(13,500)
Payment for debt issuance costs	(5,825)	(3,157)
Proceeds from exercises of stock options	5,053	2,430
Payments for taxes related to net share settlement of equity awards	(4,023)	(4,005)
Proceeds from issuance of stock pursuant to employee stock purchase plan	4,586	3,203
Cash used in financing activities	(212,671)	(98,929)
Effect of exchange rates on cash and cash equivalents	423	(1,247)
(Decrease) increase in cash and cash equivalents	(76,404)	84,747
Cash and cash equivalents, beginning of period	164,745	101,916
Cash and cash equivalents, end of period	88,341	186,663
Supplemental cash flow disclosures:
Cash paid for income taxes	93,661	85,642
Cash paid for interest	$ 57,300	$ 49,193