XML 69 R19.htm IDEA: XBRL DOCUMENT
v2.4.0.6

MAJOR SUPPLIER | 12 Months Ended
--- | ---
Jan. 31, 2013
Major Supplier Disclosure [Abstract] |
Major Supplier [Text Block] | 12. MAJOR SUPPLIER Our largest supplier in FY13 was Southern Mills, from whom we purchased 11.7% of our total purchases. In FY12, our largest supplier was DuPont, from whom we purchased 13.9% of our total purchases.

X
- Details
Name: | lake_MajorSupplierDisclosureAbstract
Namespace Prefix: | lake_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure is related to purchased of raw materials. + References No definition available. + Details
Name: | lake_MajorSupplierTextBlock
Namespace Prefix: | lake_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration