EQUITY INCENTIVE PLANS (Details 4)	12 Months Ended
Jan. 28, 2017 $ / shares shares
Range of Exercise Prices
Options Outstanding	1,607,656
Options Exercisable	134,807
Stock Option [Member] \| Exercise price $ 8.93 - $12.37 [Member]
Range of Exercise Prices
Options Outstanding	550,455
Weighted-Averaged Contractual Life (years)	6 years 7 months 6 days
Weighted-Average Exercise Price \| $ / shares	$ 10.47
Options Exercisable	600
Weighted-Average Exercise Price Exercisable \| $ / shares	$ 10.45
Stock Option [Member] \| Exercise price $12.56 - $14.68 [Member]
Range of Exercise Prices
Options Outstanding	550,681
Weighted-Averaged Contractual Life (years)	5 years 10 months 24 days
Weighted-Average Exercise Price \| $ / shares	$ 14.34
Options Exercisable	39,554
Weighted-Average Exercise Price Exercisable \| $ / shares	$ 13.89
Stock Option [Member] \| Exercise price $14.73 - $19.64 [Member]
Range of Exercise Prices
Options Outstanding	506,520
Weighted-Averaged Contractual Life (years)	5 years 6 months
Weighted-Average Exercise Price \| $ / shares	$ 16.04
Options Exercisable	94,653
Weighted-Average Exercise Price Exercisable \| $ / shares	$ 16.65

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ 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)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ 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)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (e)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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