Financial Instruments, Risk Management Activities, and Fair Values (Schedule of Marketable Securities Maturities) (Details) - USD ($) $ in Millions |
May 25, 2025 |
May 26, 2024 |
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| Debt and Equity Securities, FV-NI [Line Items] | ||
| Available for sale debt securities, Cost | $ 2.3 | $ 2.3 |
| Equity securities, Cost | 0.3 | 0.3 |
| Total, Cost | 2.6 | 2.6 |
| Available for sale debt securities, Fair Value | 2.3 | 2.3 |
| Equity securities, Fair Value | 4.9 | 4.6 |
| Total, Fair Value | $ 7.2 | $ 6.9 |
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Cost of investment in debt investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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