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Investments | 6 Months Ended
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Nov. 30, 2016
Investments, Debt and Equity Securities [Abstract] |
Investments | Investments Investments at November 30, 2016 of $140.5 million include the cash surrender value of insurance policies of $120.4 million, equity method investments of $15.1 million, and cost method investments of $5.0 million. Investments at May 31, 2016 of $125.0 million include the cash surrender value of insurance policies of $108.1 million, equity method investments of $14.5 million and cost method investments of $2.4 million. Investments are evaluated for impairment on an annual basis or when indicators of impairment exist. For the six months ended November 30, 2016 and 2015, no impairment losses were recorded.

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- Definition The entire disclosure for investments, including all tables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 6 -Section 10 -Paragraph (c) -Subparagraph (1) + Details
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- References No definition available. + Details
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