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Debt (Tables) | 12 Months Ended
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May 31, 2018
Debt Disclosure [Abstract] |
Schedule of debt | The following table summarizes the Company's debt as of May 31:
| Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
| 2018 |  | 2017
Loan Agreement: |  |  |  |  |  |  |  |  |  |  |
Revolving Loan | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Unsecured Lines of Credit (weighted average interest rates of 2.9% and 4.1%, respectively) | 7.9 |  |  | 7.9 |  |  | 6.2 |  |  | 6.2 |
Total debt | $ | 7.9 |  |  | $ | 7.9 |  |  | $ | 6.2 |  |  | $ | 6.2 |
Less lines of credit and current portion of long-term debt | (7.9 | ) |  | (7.9 | ) |  | (6.2 | ) |  | (6.2 | )
Total long-term debt | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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