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EMPLOYEE BENEFITS (Detail) (Stock Options [Member])	12 Months Ended
EMPLOYEE BENEFITS (Detail) (Stock Options [Member])	Jan. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	100.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	4,500,000
Stock Option Plans 1995 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	108,011
Stock Option Plans 1999 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	2,302,425

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

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