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Note 7 - Goodwill and Other Intangible Assets (Details Textual) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Mar. 01, 2024 USD ($) | Mar. 01, 2023 USD ($) | Jun. 30, 2024
Number of Reporting Units | 3 | 3 | 3
First Indefinite Lived Intangible Asset [Member] |  |  |
Intangible Assets, Indefinite-lived, Amount of Fair Value in Excess of Carrying Amount |  | $ 17.0 |
Intangible Assets, Indefinite-lived, Percentage of Fair Value in Excess of Carrying Amount |  | 399.00% |
Second Indefinite Lived Intangible Asset [Member] |  |  |
Intangible Assets, Indefinite-lived, Amount of Fair Value in Excess of Carrying Amount |  | $ 10.5 |
Intangible Assets, Indefinite-lived, Percentage of Fair Value in Excess of Carrying Amount |  | 21.00% |
Lighting Segment [Member] |  |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 37.3 | $ 34.4 |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 23.00% | 21.00% |
Display Solutions Segment [Member] |  |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 22.7 |  |
Display Solutions Segment [Member] | Second Reporting Unit [Member] |  |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount | $ 95.5 | $ 99.4 |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 19.00% | 15.00% |
Display Solutions Segment [Member] | First Reporting Unit [Member] |  |  |
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount |  | $ 13.6 |

X
- Definition Amount of fair value of indefinite lived intangible assets in excess of carrying amount. + References No definition available. + Details
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Namespace Prefix: | lyts_
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X
- Definition Percentage of fair value of indefinite lives intangible assets in excess of carrying amount. + References No definition available. + Details
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X
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. + References No definition available. + Details
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X
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