STOCK-BASED COMPENSATION (Details 2) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014	Feb. 01, 2014
Stock-based compensation
Allocated Share-based Compensation Expense	$ 4,306	$ 5,311	$ 8,174	$ 8,373
Vesting period (in years)			1 year	3 years
Cost of Sales [Member]
Stock-based compensation
Allocated Share-based Compensation Expense	$ 900	1,000	$ 1,400	$ 1,500
Employee Stock Option [Member]
Number of Options
Options outstanding at the beginning of the period (in shares)			30
Exercised (in shares)			(15)
Options exercisable (in shares)	15		15
Weighted Average Exercise Price
Options outstanding at the beginning of the period (in dollars per share)			$ 29.05
Exercised (in dollars per share)			29.05
Options outstanding at the end of the period (in dollars per share)	$ 29.05		$ 29.05
Weighted Average Remaining Contractual Life (in years)
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2			2 years 9 months 12 days		3 years 3 months 12 days
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2			2 years 9 months 12 days		3 years 3 months 12 days
Aggregate Intrinsic Value
Options outstanding at the beginning of the period (in dollars)			$ 927
Exercised (in dollars)			455
Options outstanding at the end of the period (in dollars)	$ 433		433
Restricted Stock Units (RSUs) [Member]
Stock-based compensation
Allocated Share-based Compensation Expense	2,477	2,776	5,694	5,759
Performance Awards Member
Stock-based compensation
Allocated Share-based Compensation Expense	$ 1,829	$ 2,535	$ 2,480	$ 2,614
Percentage of Target Shares paid out if final operating income below threshold (as a percent)			100.00%
Unvested awards at the beginning of the period (in shares)			345
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period			191
Vested (in shares)			(147)
Forfeited (in shares)			(4)
Unvested awards at the end of the period (in shares)	385		385
Weighted Average Grant Date Fair Value
Unvested awards at the beginning of the period (in dollars per share)			$ 50.18
Granted (in shares)			70.99
Vested (in dollars per share)			48.02
Forfeited (in dollars per share)			48.89
Unvested awards at the end of the period (in dollars per share)	$ 61.33		$ 61.33
Unrecognized costs and period of recognition
Unrecognized stock-based compensation expense (in dollars)	$ 17,300		$ 17,300
Weighted average period for recognition of unrecognized stock-based compensation expense (in years)			2 years 5 months 12 days