XML 20 R9.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Investment Income, Net | 3 Months Ended
--- | ---
Aug. 31, 2017
Investment Income, Net [Abstract] |
Investment Income, Net | Note D: Investment Income, Net ﻿ Investment income, net, consisted of the following items: ﻿ ﻿
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | For the three months ended
﻿ |  | August 31,
﻿In millions |  | 2017 |  | 2016
﻿Interest income on corporate funds |  | $ | 2.9 |  | $ | 2.4
﻿Interest expense |  |  | (0.8) |  |  | (0.7)
﻿Net loss from equity-method investments |  |  | — |  |  | (0.2)
﻿Investment income, net |  | $ | 2.1 |  | $ | 1.5

X
- References No definition available. + Details
Name: | us-gaap_OtherIncomeAndExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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