STOCK-BASED COMPENSATION (Details 2) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended			12 Months Ended	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014 Cost of Sales [Member]	Aug. 03, 2013 Cost of Sales [Member]	Aug. 02, 2014 Cost of Sales [Member]	Aug. 03, 2013 Cost of Sales [Member]	Aug. 02, 2014 Employee Stock Option [Member]	Feb. 01, 2014 Employee Stock Option [Member]	Aug. 02, 2014 Restricted Stock Units (RSUs) [Member]	Aug. 03, 2013 Restricted Stock Units (RSUs) [Member]	Aug. 02, 2014 Restricted Stock Units (RSUs) [Member]	Aug. 03, 2013 Restricted Stock Units (RSUs) [Member]	Aug. 02, 2014 Performance Awards Member	Aug. 03, 2013 Performance Awards Member	Aug. 02, 2014 Performance Awards Member	Aug. 03, 2013 Performance Awards Member
Stock-based compensation
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price									$ 23.84
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Intrinsic Value									$ 26,000
Allocated Share-based Compensation Expense	5,311,000	5,518,000	8,373,000	10,950,000	1,000,000	900,000	1,500,000	1,600,000			2,776,000	3,311,000	5,759,000	6,842,000	2,535,000	2,207,000	2,614,000	4,108,000
Vesting period (in years)			1 year	3 years
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)																	267
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period																	239
Vested (in shares)																	(107)
Forfeited (in shares)																	(12)
Unvested awards at the end of the period (in shares)															387		387
Weighted Average Grant Date Fair Value
Unvested awards at the beginning of the period (in dollars per share)																	$ 47.67
Granted (in shares)																	$ 50.90
Vested (in dollars per share)																	$ 46.34
Forfeited (in dollars per share)																	$ 49.17
Unvested awards at the end of the period (in dollars per share)															$ 49.99		$ 49.99
Unrecognized costs and period of recognition
Unrecognized stock-based compensation expense (in dollars)															12,600,000		12,600,000
Weighted average period for recognition of unrecognized stock-based compensation expense (in years)																	1 year 11 months 12 days
Number of Options
Options outstanding at the beginning of the period (in shares)									34
Exercised (in shares)									(2)
Options outstanding at the end of the period (in shares)										34
Options exercisable (in shares)									31
Weighted Average Exercise Price
Options outstanding at the beginning of the period (in dollars per share)									$ 28.77
Exercised (in dollars per share)									$ 23.69
Options outstanding at the end of the period (in dollars per share)									$ 29.29	$ 28.77
Weighted Average Remaining Contractual Life (in years)
Options outstanding at the beginning of the period (in years)									3 years 8 months 12 days	3 years 9 months 12 days
Options outstanding at the end of the period (in years)									3 years 8 months 12 days	3 years 9 months 12 days
Aggregate Intrinsic Value
Options outstanding at the beginning of the period (in dollars)									817,000
Exercised (in dollars)									62,000
Options outstanding at the end of the period (in dollars)									$ 648,000	$ 817,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period									1