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DEFINED CONTRIBUTION BENEFIT PLANS (Details) - USD ($)
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Defined Contribution Benefit Plans [Line Items]      
Defined Contribution Plan, Minimum number of years of service for plan eligibility 1 year    
Matching contribution (in hundredths) 75.00%    
Employer matching contribution, percent of employees pay (in hundredths) 6.00%    
401(k) Plan [Member]      
Defined Contribution Benefit Plans [Line Items]      
Matching contribution (in hundredths) 75.00% 75.00% 75.00%
Employer matching contribution, percent of employees pay (in hundredths) 6.00% 6.00% 6.00%
Contribution expense $ 1,400,000 $ 1,000,000 $ 700,000
401(k) Plan [Member] | Minimum [Member]      
Defined Contribution Benefit Plans [Line Items]      
Annual contribution by employee (in hundredths) 1.00%    
401(k) Plan [Member] | Maximum [Member]      
Defined Contribution Benefit Plans [Line Items]      
Annual contribution by employee (in hundredths) 100.00%    
Supplemental 401(k) Plan [Member]      
Defined Contribution Benefit Plans [Line Items]      
Matching contribution (in hundredths) 75.00% 75.00%
Annual contribution by employee (in hundredths) 40.00%    
Employer matching contribution, percent of employees pay (in hundredths) 4.50% 4.50%
Contribution expense $ 0 $ 19,000.0 $ 100,000.0
Voluntary Plan [Member] | Minimum [Member]      
Defined Contribution Benefit Plans [Line Items]      
Defined Contribution Plan, Payout Period 2 years    
Voluntary Plan [Member] | Maximum [Member]      
Defined Contribution Benefit Plans [Line Items]      
Defined Contribution Plan, Payout Period 10 years    
Base Salary [Member]      
Defined Contribution Benefit Plans [Line Items]      
Annual contribution by employee (in hundredths) 50.00%    
Bonus Compensation [Member]      
Defined Contribution Benefit Plans [Line Items]      
Annual contribution by employee (in hundredths) 100.00%    
First 3% of Eligible Compensation [Member]      
Defined Contribution Benefit Plans [Line Items]      
Matching contribution (in hundredths) 100.00%    
Next 3% of Eligible Compensation [Member]      
Defined Contribution Benefit Plans [Line Items]      
Matching contribution (in hundredths) 50.00%