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Note 7 - Share-based Payments (Details Textual) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended
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Aug. 27, 2023 USD ($) $ / shares shares | Aug. 28, 2022 USD ($)
Share-Based Payment Arrangement, Expense | $ | $ 2.7 | $ 23.0
Restricted Stock Units (RSUs) [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | shares | 1.9 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares | $ 32.62 |
Performance Shares [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | shares | 0.9 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares | $ 32.57 |
Performance Shares [Member] | Fiscal 2024 [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) | 3 years |
Performance Shares [Member] | Fiscal 2025 [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) | 3 years |
Performance Shares [Member] | Fiscal 2023 [Member] | Minimum [Member] |  |
Share Based Compensation Arrangement, By Share Based Payment Award, Vesting Rights Payout, Percentage | 0 |
Performance Shares [Member] | Fiscal 2023 [Member] | Maximum [Member] |  |
Share Based Compensation Arrangement, By Share Based Payment Award, Vesting Rights Payout, Percentage | 200 |

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- Definition The percentage of payout for vesting rights of the share-based compensation arrangement. + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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