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Investment Income, Net | 6 Months Ended
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Nov. 30, 2017
Investment Income, Net | Note D: Investment Income, Net ﻿ Investment income, net, consisted of the following items: ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | For the three months ended |  | For the six months ended
﻿ |  | November 30, |  | November 30,
﻿In millions |  | 2017 |  | 2016 |  | 2017 |  | 2016
﻿Interest income on corporate funds |  | $ | 2.7 |  | $ | 2.4 |  | $ | 5.6 |  | $ | 4.8
﻿Interest expense |  |  | (1.3) |  |  | (0.6) |  |  | (2.1) |  |  | (1.3)
﻿Net gain/(loss) from equity-method investments |  |  | 0.3 |  |  | (0.9) |  |  | 0.3 |  |  | (1.1)
﻿Investment income, net |  | $ | 1.7 |  | $ | 0.9 |  | $ | 3.8 |  | $ | 2.4

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- Definition The entire disclosure for the components of non-operating income or non-operating expense, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
Name: | us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration