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Investments | 12 Months Ended
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May 31, 2022
Investments, Debt and Equity Securities [Abstract] |
Investments | Investments Cintas' investments are summarized as follows at May 31:
(In thousands) | 2022 |  | 2021
Cash surrender value of insurance policies | $ | 237,136 |  |  | $ | 252,061 |
Equity method investments | 3,574 |  |  | 19,388 |
Cost method investments | 2,163 |  |  | 3,167 |
Total investments | $ | 242,873 |  |  | $ | 274,616 |
Investments are generally evaluated for impairment on an annual basis or when indicators of impairment exist. For fiscal years 2022, 2021 and 2020, no impairment losses were recorded. During fiscal 2022, Cintas acquired the remaining interest of an equity method investment, and as a result, such investment is no longer accounted for as an equity method investment at May 31, 2022, and is no longer included in the table above. See Note 10 entitled Acquisitions for more information.

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