Supplemental Guarantor Information (Balance Sheet Details) (USD $) In Thousands	Aug. 31, 2011	May 31, 2011	Aug. 31, 2010	May 31, 2010
Current assets:
Cash and cash equivalents	$ 150,312	$ 438,106	$ 290,646	$ 411,281
Marketable securities	126,728	87,220
Accounts receivable, net	439,090	429,131
Inventories, net	280,214	249,658
Uniforms and other rental items in service	405,029	393,826
Income taxes, current (payable)		33,542
Deferred income tax asset (liability)	51,823	45,813
Prepaid expenses and other	29,419	23,481
Total current assets	1,482,615	1,700,777
Property and equipment, at cost, net	946,466	946,218
Goodwill	1,488,152	1,487,882
Service contracts, net	94,431	102,312
Other assets, net	116,228	114,751
Total assets	4,127,892	4,351,940	3,890,904
Current liabilities:
Accounts (receivable) payable	100,745	110,279
Accrued compensation and related liabilities	52,230	79,834
Accrued liabilities	225,377	242,691
Income taxes, current (receivable)	14,261
Long-term debt due within one year	226,033	1,335
Total current liabilities	618,646	434,139
Long-term liabilities:
Long-term debt due after one year	1,059,648	1,284,790
Deferred (credit) income taxes	194,610	196,321
Accrued liabilities	140,503	134,041
Total long-term liabilities	1,394,761	1,615,152
Total shareholders' equity	2,114,485	2,302,649
Total liabilities and shareholders' equity	4,127,892	4,351,940
Cintas Corporation
Current assets:
Other assets, net	1,589,665	1,778,595
Total assets	1,589,665	1,778,595
Current liabilities:
Accounts (receivable) payable	(465,247)	(465,247)
Total current liabilities	(465,247)	(465,247)
Long-term liabilities:
Total shareholders' equity	2,054,912	2,243,842
Total liabilities and shareholders' equity	1,589,665	1,778,595
Corp. 2
Current assets:
Cash and cash equivalents	53,466	54,957	45,493	34,905
Accounts receivable, net	317,851	312,033
Inventories, net	233,867	204,536
Uniforms and other rental items in service	313,313	302,897
Income taxes, current (payable)		949
Deferred income tax asset (liability)	565	566
Prepaid expenses and other	5,474	5,738
Total current assets	924,536	881,676
Property and equipment, at cost, net	580,939	587,701
Service contracts, net	87,227	94,379
Other assets, net	1,629,054	1,629,598
Total assets	3,221,756	3,193,354
Current liabilities:
Accounts (receivable) payable	(354,956)	(329,430)
Accrued compensation and related liabilities	36,940	55,138
Accrued liabilities	49,628	61,399
Income taxes, current (receivable)	4,451
Long-term debt due within one year	225,868	855
Total current liabilities	(38,069)	(212,038)
Long-term liabilities:
Long-term debt due after one year	1,069,302	1,294,674
Deferred (credit) income taxes	(7)	(7)
Total long-term liabilities	1,069,295	1,294,667
Total shareholders' equity	2,190,530	2,110,725
Total liabilities and shareholders' equity	3,221,756	3,193,354
Subsidiary Guarantors
Current assets:
Cash and cash equivalents	60,008	313,283	140,314	339,702
Accounts receivable, net	79,040	76,484
Inventories, net	29,743	24,943
Uniforms and other rental items in service	86,022	82,148
Income taxes, current (payable)		8,355
Deferred income tax asset (liability)	53,973	47,905
Prepaid expenses and other	20,049	13,732
Total current assets	328,835	566,850
Property and equipment, at cost, net	280,576	274,086
Goodwill	1,417,108	1,416,926
Service contracts, net	576	663
Other assets, net	2,336,484	2,070,017
Total assets	4,363,579	4,328,542
Current liabilities:
Accounts (receivable) payable	867,512	855,739
Accrued compensation and related liabilities	11,982	20,153
Accrued liabilities	151,529	154,861
Income taxes, current (receivable)	32,097
Long-term debt due within one year	165	480
Total current liabilities	1,063,285	1,031,233
Long-term liabilities:
Long-term debt due after one year	(11,399)	(12,433)
Deferred (credit) income taxes	188,917	190,701
Accrued liabilities	139,893	133,427
Total long-term liabilities	317,411	311,695
Total shareholders' equity	2,982,883	2,985,614
Total liabilities and shareholders' equity	4,363,579	4,328,542
Non-Guarantors
Current assets:
Cash and cash equivalents	36,838	69,866	104,839	36,674
Marketable securities	126,728	87,220
Accounts receivable, net	42,199	40,614
Inventories, net	13,216	13,266
Uniforms and other rental items in service	35,117	34,895
Income taxes, current (payable)		24,238
Deferred income tax asset (liability)	(2,715)	(2,658)
Prepaid expenses and other	3,896	4,011
Total current assets	255,279	271,452
Property and equipment, at cost, net	84,951	84,431
Goodwill	71,044	70,956
Service contracts, net	6,628	7,270
Other assets, net	373,330	369,527
Total assets	791,232	803,636
Current liabilities:
Accounts (receivable) payable	15,417	11,198
Accrued compensation and related liabilities	3,308	4,543
Accrued liabilities	24,220	27,235
Income taxes, current (receivable)	(22,287)
Total current liabilities	20,658	42,976
Long-term liabilities:
Long-term debt due after one year	1,745	1,745
Deferred (credit) income taxes	5,700	5,627
Accrued liabilities	610	614
Total long-term liabilities	8,055	7,986
Total shareholders' equity	762,519	752,674
Total liabilities and shareholders' equity	791,232	803,636
Eliminations
Current assets:
Inventories, net	3,388	6,913
Uniforms and other rental items in service	(29,423)	(26,114)
Total current assets	(26,035)	(19,201)
Other assets, net	(5,812,305)	(5,732,986)
Total assets	(5,838,340)	(5,752,187)
Current liabilities:
Accounts (receivable) payable	38,019	38,019
Accrued liabilities		(804)
Total current liabilities	38,019	37,215
Long-term liabilities:
Long-term debt due after one year		804
Total long-term liabilities		804
Total shareholders' equity	(5,876,359)	(5,790,206)
Total liabilities and shareholders' equity	$ (5,838,340)	$ (5,752,187)