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Goodwill, Service Contracts and Other Assets (Details 3) (USD $) In Thousands, unless otherwise specified | Feb. 28, 2013 | May 31, 2012
--- | --- | ---
Information regarding service contracts and other assets |  |  |  |
Service contracts, Net | $ 93,573 |  | $ 76,822 |
Other Assets, Carrying Amount | 198,270 |  | 186,062 |
Other Assets, Accumulated Amortization | 76,827 |  | 73,226 |
Other Assets, Net | 121,443 |  | 112,836 |
Noncompete agreements [Member] |  |  |  |
Information regarding service contracts and other assets |  |  |  |
Other Assets, Carrying Amount | 77,661 |  | 76,036 |
Other Assets, Accumulated Amortization | 72,468 |  | 69,954 |
Other Assets, Net | 5,193 |  | 6,082 |
Investments [Member] |  |  |  |
Information regarding service contracts and other assets |  |  |  |
Other Assets, Carrying Amount | 99,107 | [1] | 90,198 | [1]
Other Assets, Accumulated Amortization | 0 | [1] | 0 | [1]
Other Assets, Net | 99,107 | [1] | 90,198 | [1]
Other [Member] |  |  |  |
Information regarding service contracts and other assets |  |  |  |
Other Assets, Carrying Amount | 21,502 |  | 19,828 |
Other Assets, Accumulated Amortization | 4,359 |  | 3,272 |
Other Assets, Net | 17,143 |  | 16,556 |
Service Contracts [Member] |  |  |  |
Information regarding service contracts and other assets |  |  |  |
Service contracts, Carrying Amount | 416,866 |  | 384,622 |
Service contracts, Accumulated Amortization | 323,293 |  | 307,800 |
Service contracts, Net | $ 93,573 |  | $ 76,822 |
[1] | Investments at February 28, 2013, include the cash surrender value of insurance policies of $70.5 million, equity method investments of $27.7 million and cost method investments of $0.9 million. In the second quarter of fiscal 2013, Cintas sold stock of an equity method investment for a gain of $8.5 million. No further sales occurred in the third quarter of fiscal 2013. Investments at May 31, 2012, include the cash surrender value of insurance policies of $57.4 million, equity method investments of $31.9 million and cost method investments of $0.9 million.

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