XML 20 R37.htm IDEA: XBRL DOCUMENT v2.4.0.8

Major Supplier (Details Textual)	9 Months Ended
	Oct. 31, 2014
Major Supplier [Line Items]
Entity Wide Purchases Major Supplier Percentage	10.00%

X

- Definition

Percentage of purchases from a single external supplier that accounts for 10 percent or more of an entity's purchases.

+ References

No definition available.

+ Details

Name:	lake_EntityWidePurchasesMajorSupplierPercentage
Namespace Prefix:	lake_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	lake_MajorSupplierLineItems
Namespace Prefix:	lake_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration