Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2012
Revenue:
Rental uniforms and ancillary products	$ 3,223,930	$ 3,044,587	$ 2,912,261
Other services	1,327,882	1,271,884	1,189,739
Total revenue	4,551,812	4,316,471	4,102,000
Costs and expenses:
Cost of rental uniforms and ancillary products	1,829,427	1,756,297	1,648,551
Cost of other services	807,999	773,107	714,841
Selling and administrative expenses	1,302,752	1,221,856	1,198,981
Shredding transaction asset impairment charge	16,143	0	0
Shredding transaction costs	28,481	0	0
Operating income	567,010	565,211	539,627
Gain on deconsolidation of Shredding	106,441	0	0
Interest income	(229)	(409)	(1,942)
Interest expense	65,822	65,712	70,625
Income before income taxes	607,858	499,908	470,944
Income taxes	233,416	184,466	173,307
Net income	$ 374,442	$ 315,442	$ 297,637
Basic earnings per share (dollars per share)	$ 3.08	$ 2.53	$ 2.27
Diluted earnings per share (dollars per share)	$ 3.05	$ 2.52	$ 2.27
Dividends declared and paid per share (dollars per share)	$ 0.77	$ 0.64	$ 0.54