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Note 8 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Mar. 01, 2025 USD ($) | Mar. 01, 2024 USD ($) | Jun. 30, 2025
Number of Reporting Units | 4 | 3 | 5
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) | $ 0 | $ 0 |
Lighting Segment [Member] |  |  |
Number of Reporting Units |  |  | 1
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 30,100 | $ 37,300 |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 6.00% | 23.00% |
Display Solutions Segment [Member] |  |  |
Number of Reporting Units |  |  | 4
Display Solutions Segment [Member] | First Reporting Unit [Member] |  |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 22,300 | $ 22,700 |
Display Solutions Segment [Member] | Second Reporting Unit [Member] |  |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 106,600 | $ 95,500 |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 29.00% | 19.00% |
Display Solutions Segment [Member] | Third Reporting Unit [Member] |  |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 63,100 |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 39.00% |  |

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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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