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Note 6 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Mar. 01, 2020 USD ($) | Mar. 01, 2019 USD ($) | Jun. 30, 2020 | Jun. 30, 2019
Number of Reporting Units |  |  | 2 | 2
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | $ 0 | $ 0 |  |
Intangible Assets, Indefinite-lived, Amount of Fair Value in Excess of Carrying Amount | $ 16,800 | $ 19,200 |  |
Intangible Assets, Indefinite-lived, Percentage of Fair Value in Excess of Carrying Amount | 392.00% | 462.00% |  |
Lighting Segment [Member] |  |  |  |
Number of Reporting Units |  |  | 1 | 1
Good will Impairment Testing Value Above Carrying Value | $ 31,600 | $ 38,900 |  |
Good will Impairment Testing Percent Value Above Carrying Value | 33.00% | 54.00% |  |
Goodwill, Impairment Loss |  | $ 20,200 |  |
Graphics Segment [Member] |  |  |  |
Number of Reporting Units |  |  | 1 | 1
Good will Impairment Testing Value Above Carrying Value | $ 4,700 | $ 3,000 |  |
Good will Impairment Testing Percent Value Above Carrying Value | 619.00% | 297.00% |  |

X
- Definition The percentage by which the estimated business enterprise value is above the carrying value of the reporting unit when tested for impairment. + References No definition available. + Details
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- Definition The amount by which the estimated business enterprise value is above the carrying value of the reporting unit when tested for impairment. + References No definition available. + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266 + Details
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