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Debt - Schedule of Debt (Details) - USD ($) $ in Millions | Aug. 31, 2020 | May 31, 2020 | Aug. 31, 2019
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Total Debt | $ 219.9 | $ 218.5 | $ 13.0
Less lines of credit, short-term debt and current portion of long-term debt | (19.9) | (7.9) | (13.0)
Total long-term debt | 200.0 | 210.6 | 0.0
UK Long-term Debt |  |  |
Debt Instrument [Line Items] |  |  |
Total Debt | 11.4 | 10.6 | 0.0
Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Total Debt | 200.0 | 200.0 | 0.0
Line of Credit | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Total Debt | $ 8.5 | $ 7.9 | $ 13.0
Weighted average interest rate (percentage) | 4.20% | 4.60% | 4.10%

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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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