Major Supplier	6 Months Ended
Jul. 31, 2013
Major Supplier Disclosure [Abstract]
Major Supplier [Text Block]	*7. Major Supplier* We purchased no more than 10% of our raw materials from any one supplier during the six-month period ended July 31, 2013.

The entire disclosure is related to purchased of raw materials.

No definition available.

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Namespace Prefix:	lake_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration