Fair Value Measurements (Narrative) (Details) |
9 Months Ended |
|---|---|
Feb. 29, 2020 | |
| Maximum [Member] | U.S. Government Agency And Treasury Securities [Member] | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Short-term investments considered cash equivalents, maturity at acquisition | 90 days |
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- Definition Short-term investments considered cash equivalents, maturity at acquisition No definition available.
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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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