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Investment Income, Net (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
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Nov. 30, 2013
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Nov. 30, 2012
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Nov. 30, 2013
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Nov. 30, 2012
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| Investment Income, Net [Abstract] | ||||
| Interest income on corporate funds | $ 1.7 | $ 1.9 | $ 3.3 | $ 3.9 |
| Interest expense | (0.4) | 0 | (0.8) | (0.1) |
| Investment income, net | $ 1.3 | $ 1.9 | $ 2.5 | $ 3.8 |
| X | ||||||||||
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- Definition
Interest expense on all other items not previously classified. For example, includes dividends associated with redeemable preferred stock of a subsidiary that is treated as a liability in the parent's consolidated balance sheet. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net amount of nonoperating interest income (expense). No definition available.
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- Details
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- Definition
The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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