Short-term Financing (Lines of Credit Facility Amount Borrowed) (Details) - Revolving Credit Facility [Member] - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Nov. 30, 2016 |
Nov. 30, 2015 |
Nov. 30, 2016 |
Nov. 30, 2015 |
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| Line of Credit Facility [Line Items] | ||||
| Number of days borrowed | 15 days | 2 days | 19 days | 3 days |
| Maximum amount borrowed | $ 350.0 | $ 350.0 | $ 350.0 | $ 350.0 |
| Weighted-average amount borrowed | $ 223.3 | $ 225.0 | $ 226.3 | $ 217.0 |
| Weighted-average interest rate | 2.53% | 3.25% | 2.74% | 3.25% |
| PNC Bank, National Association [Member] | ||||
| Line of Credit Facility [Line Items] | ||||
| Number of days borrowed | 91 days | 177 days | ||
| Maximum amount borrowed | $ 53.1 | $ 53.1 | ||
| Weighted-average amount borrowed | $ 52.2 | $ 51.8 | ||
| Weighted-average interest rate | 1.08% | 1.05% | ||
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- Definition Line of Credit Facility, Number Of Days Borrowed No definition available.
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- Definition Average amount borrowed under the credit facility during the period. No definition available.
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- Definition The effective interest rate during the reporting period. 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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- Definition Maximum amount borrowed under the credit facility at any time during the period. No definition available.
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- Details
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- Details
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