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Subsequent Events (Details) (USD $) In Millions, unless otherwise specified | 2 Months Ended |  | 0 Months Ended
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May 31, 2014 Shred-it Partnership Scenario, Forecast | May 31, 2014 Shred-it Partnership Shred-it Scenario, Forecast | Mar. 18, 2014 Subsequent Event Assets, Segment Product Concentration Risk Cintas Document Management Services Cintas Document Shredding | Mar. 18, 2014 Subsequent Event Sales Revenue, Segment Product Concentration Risk Cintas Document Management Services Cintas Document Shredding | Mar. 18, 2014 Subsequent Event Income Before Income Taxes, Segment Product Concentration Risk Cintas Document Management Services Cintas Document Shredding
Subsequent Event [Line Items] |  |  |  |  |
Concentration risk, percentage |  |  | 76.00% | 80.00% | 70.00%
Percentage of newly formed partnership owned by Cintas | 42.00% |  |  |  |
Partnership, ownership percentage by third party |  | 58.00% |  |  |
Contribution to partnership, consideration expected to be received, cash | $ 180 |  |  |  |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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