Consolidated Condensed Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020
Revenue:
Total revenue	$ 1,922,281	$ 1,757,048	$ 3,819,231	$ 3,503,622
Costs and expenses:
Selling and administrative expenses	503,913	467,012	1,012,568	943,507
Operating income	381,228	352,872	775,329	702,578
Interest income	(56)	(218)	(112)	(282)
Interest expense	21,902	24,557	43,756	49,107
Income before income taxes	359,382	328,533	731,685	653,753
Income taxes	64,713	43,676	105,837	68,891
Net income	$ 294,669	$ 284,857	$ 625,848	$ 584,862
Basic earnings per share (in dollars per share)	$ 2.83	$ 2.69	$ 6.02	$ 5.55
Diluted earnings per share (in dollars per share)	2.76	2.62	5.87	5.40
Dividends declared per share (in dollars per share)	$ 0.95	$ 3.51	$ 1.90	$ 3.51
Uniform rental and facility services
Revenue:
Total revenue	$ 1,535,271	$ 1,410,488	$ 3,043,447	$ 2,804,899
Costs and expenses:
Cost of revenue	817,261	739,811	1,596,562	1,455,223
Other
Revenue:
Total revenue	387,010	346,560	775,784	698,723
Costs and expenses:
Cost of revenue	$ 219,879	$ 197,353	$ 434,772	$ 402,314