Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Cash flows from operating activities:
Net income	$ 273,442	$ 105,560	$ 23,381
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	119,232	108,125	116,533
Impairment of goodwill	0	0	63,074
Write-off and amortization of debt discount and debt issuance costs	2,744	7,568	4,541
Equity-based compensation	17,354	12,872	8,970
(Gain) loss on disposal and impairment of assets	(913)	(1,011)	658
Deferred income taxes	(351)	(10,329)	926
Other items, net	5,706	1,552	4,110
Changes in assets and liabilities net of effects of acquisitions:
Trade accounts and notes receivable	(162,118)	(101,617)	50,215
Inventories	(156,311)	(46,660)	(4,579)
Prepaid expenses and other assets	(92)	(2,621)	6,623
Accounts payable	28,423	65,446	31,499
Accrued compensation and employee benefits	32,564	4,477	4,740
Other accrued expenses and liabilities	19,931	9,942	(7,612)
Cash provided by operating activities	179,611	153,304	303,079
Cash flows from investing activities:
Purchases of property and equipment	(41,082)	(29,873)	(25,193)
Proceeds from sale of assets	1,922	2,262	2,229
Acquisition of businesses, net of cash acquired	(348,050)	(35,976)	(24,136)
Cash used in investing activities	(387,210)	(63,587)	(47,100)
Cash flows from financing activities:
Repayments on revolving credit facilities	(1,178,897)	(102,189)	(837,424)
Borrowings from revolving credit facilities	1,390,222	14,750	880,698
Payments of principal on long-term debt	(5,110)	(8,754)	(109,968)
Payments of principal on finance lease obligations	(31,365)	(30,371)	(25,275)
Borrowings from term loan	0	511,000	0
Repayments of term loan	0	(869,427)	0
Issuance of Senior Notes	0	350,000	0
Repurchases of common stock	(35,488)	(4,160)	0
Payments for contingent consideration	0	0	(11,133)
Debt issuance costs	0	(6,299)	(1,286)
Proceeds from exercises of stock options	4,434	7,559	11,793
Payments for taxes related to net share settlement of equity awards	(2,850)	(807)	(532)
Proceeds from issuance of stock pursuant to employee stock purchase plan	2,332	2,076	1,793
Cash provided by (used in) financing activities	143,278	(136,622)	(91,334)
Effect of exchange rates on cash and cash equivalents	(775)	3,008	(1,074)
(Decrease) increase in cash and cash equivalents	(65,096)	(43,897)	163,571
Cash and cash equivalents, beginning of year	167,012	210,909	47,338
Cash and cash equivalents, end of year	101,916	167,012	210,909
Supplemental cash flow disclosures:
Cash paid for income taxes	86,288	46,417	29,761
Cash paid for interest	$ 46,204	$ 49,650	$ 63,745