Investments	9 Months Ended
Feb. 28, 2019
Investments, Debt and Equity Securities [Abstract]
Investments	Investments Investments at February 28, 2019 of $191.8 million include the cash surrender value of insurance policies of $170.2 million, equity method investments of $18.4 million and cost method investments of $3.2 million. Investments at May 31, 2018 of $175.6 million include the cash surrender value of insurance policies of $154.0 million, equity method investments of $16.4 million and cost method investments of $5.2 million. Investments are generally evaluated for impairment on an annual basis or when indicators of impairment exist. For the nine months ended February 28, 2019 and 2018, no impairment losses were recorded. During the second quarter of fiscal 2019, Cintas sold a cost method investment to a third party. Proceeds from the sale were $73.3 million, which resulted in a pre-tax gain of $69.4 million.

Investments

Investments at February 28, 2019 of $191.8 million include the cash surrender value of insurance policies of $170.2 million, equity method investments of $18.4 million and cost method investments of $3.2 million. Investments at May 31, 2018 of $175.6 million include the cash surrender value of insurance policies of $154.0 million, equity method investments of $16.4 million and cost method investments of $5.2 million. Investments are generally evaluated for impairment on an annual basis or when indicators of impairment exist. For the nine months ended February 28, 2019 and 2018, no impairment losses were recorded.

During the second quarter of fiscal 2019, Cintas sold a cost method investment to a third party. Proceeds from the sale were $73.3 million, which resulted in a pre-tax gain of $69.4 million.