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Debt - Schedule of Debt (Details) - USD ($) $ in Millions | Feb. 28, 2023 | May 31, 2022 | Feb. 28, 2022
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Total Debt | $ 5.2 | $ 6.5 | $ 13.7
Less lines of credit, short-term debt and current portion of long-term debt | (5.2) | (6.5) | (13.7)
Total long-term debt | 0.0 | 0.0 | 0.0
UK Loan |  |  |
Debt Instrument [Line Items] |  |  |
Total Debt | 0.0 | 0.0 | 6.9
Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Total Debt | 0.0 | 0.0 | 0.0
Line of Credit | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Total Debt | $ 5.2 | $ 6.5 | $ 6.8

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- Definition Total of the portions of the carrying amounts as of the balance sheet date of lines of credit and short-term debt and long-term debt which are scheduled to be repaid within one year or the normal operating cycle, if longer. + References No definition available. + Details
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