Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Cash Flows from Operating Activities:
Net Income	$ 259,911	$ 308,670
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation and amortization	75,975	72,506
Restructuring charges, net of payments	(2,107)	(2,291)
Fair value adjustments to contingent earnout obligations	2,470	2,712
Deferred income taxes	(6,130)	1,786
Stock-based compensation expense	17,010	21,118
Net loss (gain) on marketable securities	1,817	(20,172)
Net (gain) on sales of assets	(42,242)	0
Other	(7)	(194)
Changes in assets and liabilities, net of effect from purchases and sales of businesses:
Decrease in receivables	80,510	91,027
(Increase) decrease in inventory	(124,941)	21,655
(Increase) decrease in prepaid expenses and other current and long-term assets	(15,165)	8,782
(Decrease) increase in accounts payable	(29,291)	8,331
(Decrease) in accrued compensation and benefits	(73,449)	(28,919)
(Decrease) increase in accrued losses	(3,322)	3,377
Increase in other accrued liabilities	18,316	89,020
Other	0	2,095
Cash Provided by Operating Activities	159,355	579,503
Cash Flows from Investing Activities:
Capital expenditures	(101,416)	(70,943)
Acquisition of businesses, net of cash acquired	(114,231)	(113,618)
Purchase of marketable securities	(9,476)	(23,292)
Proceeds from sales of marketable securities	6,179	21,189
Proceeds from sales of assets	50,599	0
Other	(55)	703
Cash (Used For) Investing Activities	(168,400)	(185,961)
Cash Flows from Financing Activities:
Additions to long-term and short-term debt	104,377	15
Reductions of long-term and short-term debt	(733)	(256,096)
Cash dividends	(100,725)	(96,019)
Repurchases of common stock	(12,500)	0
Shares of common stock returned for taxes	(9,959)	(15,729)
Payments of acquisition-related contingent consideration	(5,714)	(2,218)
Other	(710)	0
Cash (Used For) Financing Activities	(25,964)	(370,047)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(18,844)	16,034
Net Change in Cash and Cash Equivalents	(53,853)	39,529
Cash and Cash Equivalents at Beginning of Period	246,704	233,416
Cash and Cash Equivalents at End of Period	192,851	272,945
Cash paid during the period for:
Interest	41,095	41,347
Income Taxes, net of refunds	$ 102,826	$ 95,069