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Debt - Schedule of Maturities of Long-term Debt (Details) - USD ($) $ in Millions | May 31, 2021 | May 31, 2020
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Debt Disclosure [Abstract] |  |
Long-Term Debt, Maturity, Year One | $ 182.9 |
Long-Term Debt, Maturity, Year Two | 7.3 |
Long-Term Debt, Maturity, Year Three | 0.0 |
Long-Term Debt, Maturity, Year Four | 0.0 |
Long-Term Debt, Maturity, Year Five | 0.0 |
Long-Term Debt, Maturity, after Year Five | 0.0 |
Total debt | $ 190.2 | $ 218.5

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- Definition Represents the aggregate of total long-term debt, including current maturities and short-term debt. + References No definition available. + Details
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- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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