Supplemental Guarantor Information (Income statement Details) (USD $)	3 Months Ended		6 Months Ended
	Nov. 30, 2011	Nov. 30, 2010	Nov. 30, 2011	Nov. 30, 2010
Supplemental Guarantor Information
Long-term notes	$ 1,275,000,000		$ 1,275,000,000
Revenue:
Rental uniforms and ancillary products	722,789,000	657,847,000	1,442,212,000	1,315,411,000
Other services	296,337,000	278,719,000	594,094,000	545,059,000
Total revenue	1,019,126,000	936,566,000	2,036,306,000	1,860,470,000
Costs and expenses (income):
Cost of rental uniforms and ancillary products	410,247,000	377,471,000	813,653,000	748,986,000
Cost of other services	179,082,000	168,447,000	353,816,000	327,165,000
Selling and administrative expenses	297,112,000	288,304,000	607,578,000	581,729,000
Operating income	132,685,000	102,344,000	261,259,000	202,590,000
Interest income	(403,000)	(394,000)	(768,000)	(972,000)
Interest expense (income)	17,728,000	12,161,000	35,062,000	24,435,000
Income before income taxes	115,360,000	90,577,000	226,965,000	179,127,000
Income taxes	41,010,000	34,711,000	83,977,000	61,984,000
Net income	74,350,000	55,866,000	142,988,000	117,143,000
Cintas Corporation
Revenue:
Equity in net income of affiliates	74,350,000	55,866,000	142,988,000	117,143,000
Total revenue	74,350,000	55,866,000	142,988,000	117,143,000
Costs and expenses (income):
Operating income	74,350,000	55,866,000	142,988,000	117,143,000
Income before income taxes	74,350,000	55,866,000	142,988,000	117,143,000
Net income	74,350,000	55,866,000	142,988,000	117,143,000
Corp. 2
Revenue:
Rental uniforms and ancillary products	558,143,000	505,557,000	1,111,891,000	1,012,908,000
Other services	367,926,000	341,415,000	725,658,000	672,360,000
Total revenue	926,069,000	846,972,000	1,837,549,000	1,685,268,000
Costs and expenses (income):
Cost of rental uniforms and ancillary products	356,105,000	329,017,000	702,881,000	652,149,000
Cost of other services	236,673,000	225,797,000	457,505,000	439,511,000
Selling and administrative expenses	266,206,000	251,458,000	541,823,000	525,667,000
Operating income	67,085,000	40,700,000	135,340,000	67,941,000
Interest income	(77,000)	(159,000)	(157,000)	(354,000)
Interest expense (income)	17,813,000	12,813,000	35,589,000	25,411,000
Income before income taxes	49,349,000	28,046,000	99,908,000	42,884,000
Income taxes	18,231,000	9,661,000	36,897,000	13,170,000
Net income	31,118,000	18,385,000	63,011,000	29,714,000
Subsidiary Guarantors
Revenue:
Rental uniforms and ancillary products	141,673,000	131,978,000	283,588,000	264,212,000
Other services	14,511,000	136,664,000	31,672,000	258,574,000
Total revenue	156,184,000	268,642,000	315,260,000	522,786,000
Costs and expenses (income):
Cost of rental uniforms and ancillary products	83,939,000	76,972,000	168,291,000	156,553,000
Cost of other services	3,794,000	115,067,000	1,734,000	217,859,000
Selling and administrative expenses	7,402,000	16,374,000	23,397,000	16,752,000
Operating income	61,049,000	60,229,000	121,838,000	131,622,000
Interest income	(111,000)	(189,000)	(238,000)	(470,000)
Interest expense (income)	(433,000)	(668,000)	(881,000)	(990,000)
Income before income taxes	61,593,000	61,086,000	122,957,000	133,082,000
Income taxes	22,753,000	23,843,000	45,409,000	40,870,000
Net income	38,840,000	37,243,000	77,548,000	92,212,000
Non-Guarantors
Revenue:
Rental uniforms and ancillary products	51,276,000	47,427,000	103,859,000	93,807,000
Other services	28,838,000	28,737,000	58,640,000	51,517,000
Total revenue	80,114,000	76,164,000	162,499,000	145,324,000
Costs and expenses (income):
Cost of rental uniforms and ancillary products	35,270,000	32,738,000	71,179,000	62,558,000
Cost of other services	18,305,000	17,317,000	36,130,000	31,517,000
Selling and administrative expenses	26,181,000	21,860,000	48,465,000	41,847,000
Operating income	358,000	4,249,000	6,725,000	9,402,000
Interest income	(215,000)	(46,000)	(373,000)	(100,179,000)
Interest expense (income)	348,000	16,000	354,000	14,000
Income before income taxes	225,000	4,279,000	6,744,000	109,567,000
Income taxes	36,000	1,209,000	1,683,000	7,941,000
Net income	189,000	3,070,000	5,061,000	101,626,000
Eliminations
Revenue:
Rental uniforms and ancillary products	(28,303,000)	(27,115,000)	(57,126,000)	(55,516,000)
Other services	(114,938,000)	(228,097,000)	(221,876,000)	(437,392,000)
Equity in net income of affiliates	(74,350,000)	(55,866,000)	(142,988,000)	(117,143,000)
Total revenue	(217,591,000)	(311,078,000)	(421,990,000)	(610,051,000)
Costs and expenses (income):
Cost of rental uniforms and ancillary products	(65,067,000)	(61,256,000)	(128,698,000)	(122,274,000)
Cost of other services	(79,690,000)	(189,734,000)	(141,553,000)	(361,722,000)
Selling and administrative expenses	(2,677,000)	(1,388,000)	(6,107,000)	(2,537,000)
Operating income	(70,157,000)	(58,700,000)	(145,632,000)	(123,518,000)
Interest income				100,031,000
Income before income taxes	(70,157,000)	(58,700,000)	(145,632,000)	(223,549,000)
Income taxes	(10,000)	(2,000)	(12,000)	3,000
Net income	$ (70,147,000)	$ (58,698,000)	$ (145,620,000)	$ (223,552,000)