Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Operating activities:
Net earnings	$ 269,170	$ 399,264	$ 741,450
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	112,800	98,827	87,654
Impairment of long-lived assets	2,596	3,076	13,739
Provision for (benefit from) deferred income taxes	(15,528)	19,175	4,822
Bad debt expense (income)	2,108	959	(255)
Equity in net income of unconsolidated affiliates, net of distributions	79,870	(113,583)	32,318
Net (gain) loss on sale of assets	(4,458)	(16,150)	53,607
Stock-based compensation	19,178	16,100	19,129
Gains on investment in Nikola			655,102
Charitable contribution of Nikola shares			20,653
Changes in assets and liabilities, net of impact of acquisitions:
Receivables	143,089	(151,328)	(223,254)
Inventories	160,116	(118,490)	(169,740)
Accounts payable	(150,400)	12,230	315,222
Accrued compensation and employee benefits	(23,226)	(29,348)	75,725
Income taxes payable	7,150	(5,977)	2,671
Other operating items, net	22,899	(44,643)	20,376
Net cash provided by operating activities	625,364	70,112	274,379
Investing activities:
Investment in property, plant and equipment	(86,366)	(94,600)	(82,178)
Investment in non-marketable equity securities	(770)
Purchase of noncontrolling interest in Worthington Taylor, LLC		(6,811)
Acquisitions, net of cash acquired	(56,088)	(376,713)	(129,615)
Proceeds from sale of assets, net of selling costs	35,653	39,936	45,854
Net cash provided (used) by investing activities	(71,776)	(438,188)	468,510
Financing activities:
Net proceeds from (repayments of) short-term borrowings, net of issuance costs	(45,183)	41,726
Principal payments on long-term debt	(6,685)	(565)	(622)
Proceeds from issuance of common shares, net of tax withholdings	(1,780)	(6,280)	6,581
Payments to noncontrolling interests	(20,235)	(35,160)	(10,690)
Repurchase of common shares		(180,248)	(192,054)
Dividends paid	(59,244)	(57,223)	(52,991)
Net cash used by financing activities	(133,127)	(237,750)	(249,776)
Increase (decrease) in cash and cash equivalents	420,461	(605,826)	493,113
Cash and cash equivalents at beginning of year	34,485	640,311	147,198
Cash and cash equivalents at end of year	454,946	$ 34,485	640,311
ArtiFlex
Investing activities:
Net proceeds from sale of investment/shares	$ 35,795
Nikola
Investing activities:
Net proceeds from sale of investment/shares			$ 634,449