Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Net Sales	$ 117,470	$ 110,111	$ 373,343	$ 327,651
Cost of products and services sold	85,266	83,318	272,230	250,900
Severence Costs	0	0	31	0
Gross profit	32,204	26,793	101,082	76,751
Selling and administrative expenses	24,472	21,632	74,291	62,724
Operating income	7,732	5,161	26,791	14,027
Interest expense	877	524	2,924	1,287
Other (income) expense	(71)	(55)	86	33
Income before income taxes	6,926	4,692	23,781	12,707
Income tax expense	2,257	1,074	6,434	2,851
Net income	$ 4,669	$ 3,618	$ 17,347	$ 9,856
Earnings per common share (see Note 4)
Basic (in dollars per share)	$ 0.16	$ 0.13	$ 0.62	$ 0.36
Diluted (in dollars per share)	$ 0.16	$ 0.13	$ 0.60	$ 0.35
Weighted average common shares outstanding
Basic (in shares)	28,306	27,378	28,012	27,220
Diluted (in shares)	29,611	28,083	29,055	27,945

The amount of severance costs allocated to cost of goods sold for the period.

No definition available.

Name:	lyts_SeveranceCostsCostOfGoodsSold
Namespace Prefix:	lyts_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.