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v3.19.1

Short-term Financing (Credit Facility Amount Borrowed) (Details) - Revolving Credit Facility [Member] - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2019 | Feb. 28, 2018 | Feb. 28, 2019 | Feb. 28, 2018
JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Number of days borrowed | 71 days | 2 days | 81 days | 21 days
Maximum amount borrowed | $ 400.0 | $ 200.0 | $ 483.0 | $ 700.0
Weighted-average amount borrowed | $ 400.0 | $ 125.0 | $ 385.9 | $ 311.9
Weighted-average interest rate | 3.48% | 4.25% | 3.66% | 4.24%
JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Number of days borrowed | 71 days | 19 days | 78 days | 39 days
Maximum amount borrowed | $ 400.0 | $ 75.0 | $ 400.0 | $ 400.0
Weighted-average amount borrowed | $ 400.0 | $ 75.0 | $ 374.1 | $ 147.2
Weighted-average interest rate | 3.48% | 2.19% | 3.57% | 2.69%
PNC $150 Million Credit Facility [Member] | PNC Bank, National Association [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Number of days borrowed | 90 days | 90 days | 269 days | 269 days
Maximum amount borrowed | $ 58.9 | $ 59.9 | $ 58.9 | $ 59.9
Weighted-average amount borrowed | $ 57.7 | $ 59.1 | $ 57.0 | $ 57.6
Weighted-average interest rate | 2.94% | 2.01% | 2.72% | 1.83%

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- Definition Line of Credit Facility, Number Of Days Borrowed + References No definition available. + Details
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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Maximum amount borrowed under the credit facility at any time during the period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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