Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Cash Flows from Operating Activities:
Net Income	$ 169,279	$ 134,795
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	38,416	37,944
Restructuring charges, net of payments		(2,004)
Fair value adjustments to contingent earnout obligations		1,027
Deferred income taxes	(1,919)	(3,452)
Stock-based compensation expense	9,062	5,763
Net loss (gain) on marketable securities	6,606	(3,476)
Other	111	(76)
Changes in assets and liabilities, net of effect from purchases and sales of businesses:
(Increase) decrease in receivables	(266)	98,166
(Increase) in inventory	(148,188)	(68,155)
(Increase) in prepaid expenses and other current and long-term assets	(36,021)	(15,648)
Increase (decrease) in accounts payable	15,113	(42,912)
(Decrease) in accrued compensation and benefits	(92,970)	(100,201)
Increase (decrease) in accrued losses	1,873	(3,530)
Increase in other accrued liabilities	62,459	37,866
Cash Provided by Operating Activities	23,555	76,107
Cash Flows from Investing Activities:
Capital expenditures	(57,818)	(51,888)
Acquisition of businesses, net of cash acquired	(36,373)	(35,802)
Purchase of marketable securities	(6,440)	(5,843)
Proceeds from sales of marketable securities	4,116	2,766
Other	80	250
Cash (Used for) Investing Activities	(96,435)	(90,517)
Cash Flows from Financing Activities:
Additions to long-term and short-term debt	250,051	60,547
Reductions of long-term and short-term debt	(75,264)	(471)
Cash dividends	(51,420)	(48,901)
Repurchases of common stock	(25,000)	(12,500)
Shares of common stock returned for taxes	(12,430)	(5,802)
Payments of acquisition-related contingent consideration	(3,705)	(60)
Other	(2,487)
Cash Provided by(Used for) Financing Activities	79,745	(7,187)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(10,963)	(11,895)
Net Change in Cash and Cash Equivalents	(4,098)	(33,492)
Cash and Cash Equivalents at Beginning of Period	201,672	246,704
Cash and Cash Equivalents at End of Period	197,574	213,212
Cash paid during the period for:
Interest	24,493	17,301
Income Taxes, net of refunds	15,813	28,016
Supplemental Disclosures of Noncash Investing Activities:
Capital expenditures accrued within accounts payable at quarter-end	$ 8,733	$ 8,442