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Note 8 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands |  | 9 Months Ended
--- | --- | ---
Mar. 01, 2022 USD ($) | Mar. 31, 2022
Number of Reporting Units |  | 3
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) | $ 0 |
First Indefinite Lived Intangible Asset [Member] |  |
Intangible Assets, Indefinite-lived, Amount of Fair Value in Excess of Carrying Amount | $ 17,000 |
Intangible Assets, Indefinite-lived, Percentage of Fair Value in Excess of Carrying Amount | 396.00% |
Second Indefinite Lived Intangible Asset [Member] |  |
Intangible Assets, Indefinite-lived, Amount of Fair Value in Excess of Carrying Amount | $ 10,600 |
Intangible Assets, Indefinite-lived, Percentage of Fair Value in Excess of Carrying Amount | 22.00% |
Display Solutions Segment [Member] |  |
Number of Reporting Units |  | 2
Display Solutions Segment [Member] | First Reporting Unit [Member] |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 12,200 |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 1316.00% |
Display Solutions Segment [Member] | Second Reporting Unit [Member] |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 100,400 |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 12.00% |
Lighting Segment [Member] |  |
Number of Reporting Units |  | 1
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 31,600 |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 18.00% |

X
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X
- 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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