STOCK-BASED COMPENSATION, (Performance Shares) (Details) (USD $)	12 Months Ended
Jan. 31, 2015
Performance Shares [Member]
Performance Shares [Abstract]
Outstanding at February 1, 2014 (in shares)	349,450
Target Shares Granted (in shares)	168,445
Target Shares Vested (in shares)	(18,241)
Target Shares Forfeited (in shares)	(46,151)
Outstanding at January 31, 2015 (in shares)	453,503
Performance Share Grant 2012 [Member]
Performance Shares [Abstract]
Outstanding at February 1, 2014 (in shares)	198,200
Target Shares Vested (in shares)	(8,300)
Target Shares Forfeited (in shares)	(20,800)
Outstanding at January 31, 2015 (in shares)	169,100
Weighted Average Grant Date Fair Value per Share (in dollars per share)	18.04
Performance Share Grant 2013 [Member]
Performance Shares [Abstract]
Outstanding at February 1, 2014 (in shares)	151,250
Target Shares Vested (in shares)	(9,941)
Target Shares Forfeited (in shares)	(23,059)
Outstanding at January 31, 2015 (in shares)	118,250
Weighted Average Grant Date Fair Value per Share (in dollars per share)	33.81
Performance Share Grant 2014 [Member]
Performance Shares [Abstract]
Target Shares Granted (in shares)	168,445
Target Shares Forfeited (in shares)	(2,292)
Outstanding at January 31, 2015 (in shares)	166,153
Weighted Average Grant Date Fair Value per Share (in dollars per share)	33.84

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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