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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) (Parenthetical)) - $ / shares	Jul. 31, 2025	Apr. 30, 2025	Jul. 31, 2024	Apr. 30, 2024
Statement [Abstract]
Dividends	$ 0.03	$ 0.03	$ 0.03	$ 0.03

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- References

No definition available.

+ Details

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Namespace Prefix:	lake_
Data Type:	xbrli:stringItemType
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Period Type:	duration

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

+ Details

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Balance Type:	na
Period Type:	instant