Note 9 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands			12 Months Ended
Mar. 01, 2026 USD ($)	Mar. 01, 2025 USD ($)	Jun. 30, 2026
Goodwill, Reporting Unit, Number	5	4	8
Intangible Asset, Excluding Goodwill, Indefinite-Lived, Impairment Loss	$ 0	$ 0
Lighting Segment [Member]
Goodwill, Reporting Unit, Number			1
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 34,700	$ 30,100
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	15.00%	6.00%
Display Solutions Segment [Member]
Goodwill, Reporting Unit, Number			7
Display Solutions Segment [Member] \| First Reporting Unit [Member]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 26,500	$ 22,300
Display Solutions Segment [Member] \| Second Reporting Unit [Member]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 114,900	$ 106,600
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	41.00%	29.00%
Display Solutions Segment [Member] \| Third Reporting Unit [Member]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 63,400	$ 63,100
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	42.00%	39.00%
Display Solutions Segment [Member] \| Fourth Reporting Unit [Member]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 26,600
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	132.00%
Display Solutions Segment [Member] \| First Indefinite Lived Intangible Asset [Member]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount		$ 5,100
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount		5.00%
Display Solutions Segment [Member] \| Second Indefinite Lived Intangible Asset [Member]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount		$ 10,900
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount		25.00%
Display Solutions Segment [Member] \| Third Indefinite-lived Intangible Asset [Member]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount		$ 15,400

Amount of impairment loss for indefinite-lived intangible asset. Excludes goodwill.

Reference 1: 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

Reference 2: 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 3: 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 4: 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

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
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-Section 50
-Paragraph 2
-Subparagraph (a)
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-URI https://asc.fasb.org/1943274/2147482573/350-20-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 35
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482646/350-20-35-4

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