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Supplemental Guarantor Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Aug. 31, 2012 | Aug. 31, 2011
Revenue: |  |
Rental uniforms and ancillary products | $ 754,843 | $ 719,423
Other services | 296,482 | 297,757
Equity in net income of affiliates | 0 | 0
Total revenue | 1,051,325 | 1,017,180
Costs and expenses (income): |  |
Cost of rental uniforms and ancillary products | 428,148 | 403,406
Cost of other services | 177,302 | 174,734
Selling and administrative expenses | 306,581 | 310,466
Operating income | 139,294 | 128,574
Interest income | (77) | (365)
Interest expense (income) | 16,598 | 17,334
Income before income taxes | 122,773 | 111,605
Income taxes | 46,040 | 42,967
Net income | 76,733 | 68,638
Cintas Corporation [Member] |  |
Revenue: |  |
Rental uniforms and ancillary products | 0 | 0
Other services | 0 | 0
Equity in net income of affiliates | 76,733 | 68,638
Total revenue | 76,733 | 68,638
Costs and expenses (income): |  |
Cost of rental uniforms and ancillary products | 0 | 0
Cost of other services | 0 | 0
Selling and administrative expenses | 0 | 0
Operating income | 76,733 | 68,638
Interest income | 0 | 0
Interest expense (income) | 0 | 0
Income before income taxes | 76,733 | 68,638
Income taxes | 0 | 0
Net income | 76,733 | 68,638
Corp. 2 [Member] |  |
Revenue: |  |
Rental uniforms and ancillary products | 576,285 | 553,748
Other services | 369,406 | 357,732
Equity in net income of affiliates | 0 | 0
Total revenue | 945,691 | 911,480
Costs and expenses (income): |  |
Cost of rental uniforms and ancillary products | 364,197 | 346,775
Cost of other services | 236,331 | 220,833
Selling and administrative expenses | 290,644 | 275,617
Operating income | 54,519 | 68,255
Interest income | (18) | (80)
Interest expense (income) | 16,566 | 17,776
Income before income taxes | 37,971 | 50,559
Income taxes | 14,379 | 18,666
Net income | 23,592 | 31,893
Subsidiary Guarantors [Member] |  |
Revenue: |  |
Rental uniforms and ancillary products | 152,817 | 141,915
Other services | 10,879 | 17,161
Equity in net income of affiliates | 0 | 0
Total revenue | 163,696 | 159,076
Costs and expenses (income): |  |
Cost of rental uniforms and ancillary products | 89,342 | 84,352
Cost of other services | (2,417) | (2,060)
Selling and administrative expenses | (4,139) | 15,995
Operating income | 80,910 | 60,789
Interest income | (35) | (127)
Interest expense (income) | 31 | (448)
Income before income taxes | 80,914 | 61,364
Income taxes | 30,642 | 22,656
Net income | 50,272 | 38,708
Non-Guarantors [Member] |  |
Revenue: |  |
Rental uniforms and ancillary products | 53,784 | 52,583
Other services | 29,378 | 29,802
Equity in net income of affiliates | 0 | 0
Total revenue | 83,162 | 82,385
Costs and expenses (income): |  |
Cost of rental uniforms and ancillary products | 36,620 | 35,909
Cost of other services | 17,708 | 17,825
Selling and administrative expenses | 24,301 | 22,284
Operating income | 4,533 | 6,367
Interest income | (24) | (158)
Interest expense (income) | 1 | 6
Income before income taxes | 4,556 | 6,519
Income taxes | 1,024 | 1,647
Net income | 3,532 | 4,872
Eliminations [Member] |  |
Revenue: |  |
Rental uniforms and ancillary products | (28,043) | (28,823)
Other services | (113,181) | (106,938)
Equity in net income of affiliates | (76,733) | (68,638)
Total revenue | (217,957) | (204,399)
Costs and expenses (income): |  |
Cost of rental uniforms and ancillary products | (62,011) | (63,630)
Cost of other services | (74,320) | (61,864)
Selling and administrative expenses | (4,225) | (3,430)
Operating income | (77,401) | (75,475)
Interest income | 0 | 0
Interest expense (income) | 0 | 0
Income before income taxes | (77,401) | (75,475)
Income taxes | (5) | (2)
Net income | $ (77,396) | $ (75,473)

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