Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2013
Revenue:
Rental uniforms and ancillary products	$ 3,454,956	$ 3,223,930	$ 3,044,587
Other services	1,021,930	1,245,635	1,201,377
Total revenue	4,476,886	4,469,565	4,245,964
Costs and expenses:
Cost of rental uniforms and ancillary products	1,913,466	1,829,427	1,756,297
Cost of other services	642,083	766,484	736,358
Selling and administrative expenses	1,224,930	1,264,836	1,187,331
Shredding Transaction asset impairment charge	0	16,143	0
Shredding Transaction costs	0	28,481	0
Operating income	696,407	564,194	565,978
Gain on deconsolidation of Shredding	4,952	106,441	0
Gain on sale of stock of an equity method investment	21,739	0	0
Interest income	(339)	(229)	(409)
Interest expense	65,161	65,822	65,712
Income before income taxes	658,276	605,042	500,675
Income taxes	244,660	231,991	184,089
(Loss) gain on investment in Shred-it Partnership, net of tax benefit of $3,264 and tax of $766, respectively	(5,539)	1,234	0
Income from continuing operations	408,077	374,285	316,586
Income (loss) from discontinued operations, net of tax of $12,320, $658, and $377, respectively	22,541	157	(1,144)
Net income	$ 430,618	$ 374,442	$ 315,442
Basic earnings (loss) per share, continuing operations (dollars per share)	$ 3.49	$ 3.08	$ 2.54
Basic earnings (loss) per share, discontinued operations (dollars per share)	0.19	0.00	(0.01)
Basic earnings per share (dollars per share)	3.68	3.08	2.53
Diluted earnings (loss) per share, continuing operations (dollars per share)	3.44	3.05	2.53
Diluted earnings (loss) per share, discontinued operations (dollars per share)	0.19	0.00	(0.01)
Diluted earnings per share (dollars per share)	3.63	3.05	2.52
Dividends declared and paid per share (dollars per share)	$ 1.70	$ 0.77	$ 0.64