Consolidated Condensed Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012	Nov. 30, 2011
Revenue:
Rental uniforms and ancillary products	$ 755,839	$ 722,789	$ 1,510,682	$ 1,442,212
Other services	304,547	296,337	601,029	594,094
Total revenue	1,060,386	1,019,126	2,111,711	2,036,306
Costs and expenses:
Cost of rental uniforms and ancillary products	438,902	410,247	867,050	813,653
Cost of other services	189,448	179,082	366,750	353,816
Selling and administrative expenses	293,013	297,112	599,594	607,578
Operating income	139,023	132,685	278,317	261,259
Interest income	(149)	(403)	(226)	(768)
Interest expense	16,294	17,728	32,892	35,062
Income before income taxes	122,878	115,360	245,651	226,965
Income taxes	44,851	41,010	90,891	83,977
Net income	$ 78,027	$ 74,350	$ 154,760	$ 142,988
Basic earnings per share (in dollars per share)	$ 0.63	$ 0.57	$ 1.24	$ 1.09
Diluted earnings per share (in dollars per share)	$ 0.63	$ 0.57	$ 1.23	$ 1.09
Dividends declared per share (in dollars per share)	$ 0.64	$ 0.54	$ 0.64	$ 0.54