Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Operating activities:
Net earnings	$ 65,244	$ 141,475
Adjustments to reconcile net earnings to net cash (used) provided by operating activities:
Depreciation and amortization	28,001	22,064
Impairment of long-lived assets	312
Provision for (benefit from) deferred income taxes	(11,056)	1,366
Bad debt expense	342	179
Equity in net income of unconsolidated affiliates, net of distributions	42,845	(33,218)
Net gain on sale of assets	(769)	(12,706)
Stock-based compensation	4,236	3,303
Changes in assets and liabilities, net of impact of acquisitions:
Receivables	37,419	(31,868)
Inventories	41,167	(163,682)
Accounts payable	(101,581)	46,668
Accrued compensation and employee benefits	(33,868)	(46,177)
Income taxes payable	7,329	35,857
Other operating items, net	1,417	(13,073)
Net cash provided (used) by operating activities	81,038	(49,812)
Investing activities:
Investment in property, plant and equipment	(21,477)	(23,925)
Investment in non-marketable equity securities	(110)
Acquisitions, net of cash acquired	(56,088)	(104,750)
Proceeds from sale of investment in ArtiFlex	36,095
Proceeds from sale of assets, net of selling costs	11,755	26,685
Net cash used by investing activities	(29,825)	(101,990)
Financing activities:
Net repayments of short-term borrowings	(32,443)
Principal payments on long-term obligations	(137)	(392)
Proceeds from issuance of common shares, net of tax withholdings	(3,466)	(4,091)
Payments to noncontrolling interests		(9,197)
Repurchase of common shares		(60,885)
Dividends paid	(13,884)	(14,698)
Net cash used by financing activities	(49,930)	(89,263)
Increase (decrease) in cash and cash equivalents	1,283	(241,065)
Cash and cash equivalents at beginning of period	34,485	640,311
Cash and cash equivalents at end of period	$ 35,768	$ 399,246