Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Cash Flows from Operating Activities:
Net Income	$ 347,128	$ 300,821
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	84,177	76,750
Deferred income taxes	(5,574)	(4,196)
Stock-based compensation expense	17,147	16,877
Net (gain) loss on marketable securities	(6,226)	2,812
Net loss on sales of assets and businesses	3,623
Other	4,007	(104)
Changes in assets and liabilities, net of effect from purchases and sales of businesses:
Decrease in receivables	272,262	72,931
Decrease (increase) in inventory	37,243	(189,487)
Decrease (Increase) in prepaid expenses and other current and long-term assets	21,260	(23,025)
(Decrease) in accounts payable	(11,806)	(95,502)
(Decrease) in accrued compensation and benefits	(53,980)	(62,724)
Increase in accrued losses	8,332	1,465
Increase in other accrued liabilities	50,188	94,297
Cash Provided by Operating Activities	767,781	190,915
Cash Flows from Investing Activities:
Capital expenditures	(89,300)	(113,463)
Acquisition of businesses, net of cash acquired	(15,404)	(47,542)
Purchase of marketable securities	(22,057)	(10,309)
Proceeds from sales of marketable securities	13,796	7,071
Other	1,326	236
Cash (Used for) Investing Activities	(111,639)	(164,007)
Cash Flows from Financing Activities:
Additions to long-term and short-term debt	0	517,785
Reductions of long-term and short-term debt	(449,485)	(351,795)
Cash dividends	(113,325)	(105,640)
Repurchases of common stock	(25,000)	(25,000)
Shares of common stock returned for taxes	(20,689)	(14,825)
Payments of acquisition-related contingent consideration	(1,082)	(3,705)
Other	(713)	(2,627)
Cash (Used for) Provided by Financing Activities	(610,294)	14,193
Effect of Exchange Rate Changes on Cash and Cash Equivalents	1,111	(10,655)
Net Change in Cash and Cash Equivalents	46,959	30,446
Cash and Cash Equivalents at Beginning of Period	215,787	201,672
Cash and Cash Equivalents at End of Period	262,746	232,118
Cash paid during the period for:
Interest	61,586	52,256
Income Taxes, net of refunds	124,518	84,034
Supplemental Disclosures of Noncash Investing Activities:
Capital expenditures accrued within accounts payable at quarter-end	$ 12,463	$ 8,879