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Note 13 - Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions | Feb. 26, 2023 | May 29, 2022
--- | --- | ---
Derivative assets | $ 7.7 | $ 7.0
Deferred compensation assets | 7.0 | 7.5
Available-for-sale debt securities | 4.0 | 7.6
Total assets | 18.7 | 22.1
Derivative liabilities | 2.6 | 2.2
Deferred compensation liabilities | 65.5 | 72.6
Total liabilities | 68.1 | 74.8
Available-for-sale debt securities | 4.0 | 7.6
Fair Value, Inputs, Level 1 [Member] |  |
Derivative assets | 5.8 | 5.7
Deferred compensation assets | 7.0 | 7.5
Available-for-sale debt securities | 0.0 | 0.0
Total assets | 12.8 | 13.2
Derivative liabilities | 0.0 | 0.0
Deferred compensation liabilities | 65.5 | 72.6
Total liabilities | 65.5 | 72.6
Available-for-sale debt securities | 0.0 | 0.0
Fair Value, Inputs, Level 2 [Member] |  |
Derivative assets | 1.9 | 1.3
Deferred compensation assets | 0.0 | 0.0
Available-for-sale debt securities | 0.0 | 0.0
Total assets | 1.9 | 1.3
Derivative liabilities | 2.6 | 2.2
Deferred compensation liabilities | 0.0 | 0.0
Total liabilities | 2.6 | 2.2
Available-for-sale debt securities | 0.0 | 0.0
Fair Value, Inputs, Level 3 [Member] |  |
Derivative assets | 0.0 | 0.0
Deferred compensation assets | 0.0 | 0.0
Available-for-sale debt securities | 4.0 | 7.6
Total assets | 4.0 | 7.6
Derivative liabilities | 0.0 | 0.0
Deferred compensation liabilities | 0.0 | 0.0
Total liabilities | 0.0 | 0.0
Available-for-sale debt securities | $ 4.0 | $ 7.6

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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