Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Nov. 30, 2022	Nov. 30, 2021
Cash Flows from Operating Activities:
Net Income	$ 300,821	$ 259,911
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	76,750	75,975
Restructuring charges, net of payments		(2,107)
Fair value adjustments to contingent earnout obligations		2,470
Deferred income taxes	(4,196)	(6,130)
Stock-based compensation expense	16,877	17,010
Net loss on marketable securities	2,812	1,817
Net (gain) on sales of assets		(42,242)
Other	(104)	(7)
Changes in assets and liabilities, net of effect from purchases and sales of businesses:
Decrease in receivables	72,931	80,510
(Increase) in inventory	(189,487)	(124,941)
(Increase) in prepaid expenses and other current and long-term assets	(23,025)	(15,165)
(Decrease) in accounts payable	(95,502)	(29,291)
(Decrease) in accrued compensation and benefits	(62,724)	(73,449)
Increase (decrease) in accrued losses	1,465	(3,322)
Increase in other accrued liabilities	94,297	18,316
Cash Provided by Operating Activities	190,915	159,355
Cash Flows from Investing Activities:
Capital expenditures	(113,463)	(101,416)
Acquisition of businesses, net of cash acquired	(47,542)	(114,231)
Purchase of marketable securities	(10,309)	(9,476)
Proceeds from sales of marketable securities	7,071	6,179
Proceeds from sales of assets		50,599
Other	236	(55)
Cash (Used for) Investing Activities	(164,007)	(168,400)
Cash Flows from Financing Activities:
Additions to long-term and short-term debt	517,785	104,377
Reductions of long-term and short-term debt	(351,795)	(733)
Cash dividends	(105,640)	(100,725)
Repurchases of common stock	(25,000)	(12,500)
Shares of common stock returned for taxes	(14,825)	(9,959)
Payments of acquisition-related contingent consideration	(3,705)	(5,714)
Other	(2,627)	(710)
Cash Provided by(Used for) Financing Activities	14,193	(25,964)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(10,655)	(18,844)
Net Change in Cash and Cash Equivalents	30,446	(53,853)
Cash and Cash Equivalents at Beginning of Period	201,672	246,704
Cash and Cash Equivalents at End of Period	232,118	192,851
Cash paid during the period for:
Interest	52,256	41,095
Income Taxes, net of refunds	84,034	102,826
Supplemental Disclosures of Noncash Investing Activities:
Capital expenditures accrued within accounts payable at quarter-end	$ 8,879	$ 9,847