CONTINGENCIES AND COMMITMENTS (Details) (USD $)	9 Months Ended
	Oct. 31, 2012	Mar. 22, 2012
Asbestos Related Lawsuits [Abstract]
Payments made by insurers to settle cases	$ 725,000
Average cost per settled claim, excluding legal fees	$ 25,000
Number of pending cases	157	130
Number of new cases filed	43
Number of cases dismissed	18
Number of cases settled	3