Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Cash flows from operating activities:
Net income	$ 625,848	$ 584,862
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	122,274	121,096
Amortization of intangible assets and capitalized contract costs	74,365	71,558
Stock-based compensation	60,893	57,602
Gain on sale of operating assets	(12,129)	(17,963)
Deferred income taxes	29,941	(23,099)
Change in current assets and liabilities, net of acquisitions of businesses:
Accounts receivable, net	(77,343)	(39,892)
Inventories, net	13,406	(124,949)
Uniforms and other rental items in service	(69,513)	(2,914)
Prepaid expenses and other current assets and capitalized contract costs	(47,978)	(57,295)
Accounts payable	11,400	42,228
Accrued compensation and related liabilities	(59,988)	23,809
Accrued liabilities and other	(10,519)	21,570
Income taxes, current	(66,875)	(83,649)
Net cash provided by operating activities	593,782	572,964
Cash flows from investing activities:
Capital expenditures	(108,629)	(57,659)
Purchases of investments	(5,967)	(7,205)
Proceeds from sale of operating assets, net of cash disposed	15,347	23,426
Acquisitions of businesses, net of cash acquired	(45,670)	(6,932)
Other, net	(6,676)	(2,872)
Net cash used in investing activities	(151,595)	(51,242)
Cash flows from financing activities:
Issuance of commercial paper, net	167,000	0
Repayment of debt	(250,000)	0
Proceeds from exercise of stock-based compensation awards	109,198	107,530
Dividends paid	(177,949)	0
Repurchase of common stock	(664,726)	(71,382)
Other, net	(3,399)	(1,687)
Net cash (used in) provided by financing activities	(819,876)	34,461
Effect of exchange rate changes on cash and cash equivalents	(2,781)	1,590
Net (decrease) increase in cash and cash equivalents	(380,470)	557,773
Cash and cash equivalents at beginning of period	493,640	145,402
Cash and cash equivalents at end of period	$ 113,170	$ 703,175