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SHAREHOLDERS' EQUITY (Details)	12 Months Ended
SHAREHOLDERS' EQUITY (Details)	Jan. 31, 2013	Jan. 31, 2012
SHAREHOLDERS' EQUITY [Abstract]
Stock repurchased (in shares)	27,448	16,861
Number of shares authorized for repurchase (in shares)	300,000
Remaining shares authorized to be repurchased (in shares)	143,048
Number of right for each common share owned (in shares)	1
Expiration of rights under the plan	2020

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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