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Debt (Tables) | 9 Months Ended
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Feb. 29, 2020
Debt Disclosure [Abstract] |
Schedule of Debt | The following table summarizes the carrying value of the Company's debt as of the dates indicated:
| February 29, 2020 |  | May 31, 2019 |  | February 28, 2019
Revolving Loan | — |  |  | — |  |  | — |
Unsecured lines of credit (weighted average interest rates of 4.6%, 4.1% and 4.3%, respectively) | $9.7 |  | $7.3 |  | $11.0
UK long-term debt (average interest rate of 2.5%, n/a and n/a, respectively) | 6.4 |  |  | — |  |  | — |
Total debt | $16.1 |  | $7.3 |  | $11.0
Less lines of credit, short-term debt and current portion of long-term debt | (9.7 | ) |  | (7.3 | ) |  | (11.0 | )
Total long-term debt | $6.4 |  | $0.0 |  | $0.0

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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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