Investment (Income), Net (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
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May. 31, 2015 |
May. 31, 2014 |
May. 31, 2013 |
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Net Investment Income [Line Items] | |||
Interest (income) | $ (8,304) | $ (6,327) | $ (6,814) |
(Gain) on sale of marketable securities | (8,692) | (7,353) | (11,664) |
Other-than-temporary impairment on securities | 22 | 161 | 14,279 |
Dividend (income) | (1,603) | (2,196) | (1,979) |
Investment (income), net | $ (18,577) | $ (15,715) | $ (6,178) |
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- Definition This item represents investment income derived from investments in debt and equity securities consisting of interest income earned from investments in debt securities and on cash and cash equivalents, dividend income from investments in equity securities, and income or expense derived from the amortization of investment related discounts or premiums, respectively, net of related investment expenses. This item also includes realized gains or losses on sales of investments in debt and equity securities, and other than temporary losses related to investments in debt and equity securities during the period. This account does not include investment income from real or personal property, such as rental income. No definition available.
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- Definition The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of dividend income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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