STOCK-BASED COMPENSATION (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended			12 Months Ended
	Mar. 31, 2014	Mar. 18, 2014	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	Jan. 31, 2015		Feb. 01, 2014	Feb. 02, 2013
Stock-based compensation expense by type [Abstract]
Total stock-based compensation expense						$ 4,468,000		$ 5,838,000	$ 5,649,000
Income tax benefit recognized						1,645,000		2,154,000	2,082,000
Stock-based compensation expense, net of income tax						2,823,000		3,684,000	3,567,000
Actual income tax benefit realized for the deductions considered on our income tax returns						5,300,000		6,500,000	5,900,000
Equity Incentive Plan [Member]
Stock-based compensation plans [Abstract]
Authorized but unissued shares of common stock (in shares)			1,983,159			1,983,159
Shares available for grant under the Plan (in shares)			559,095			559,095
Employee Stock Purchase Plan [Member]
Stock-based compensation plans [Abstract]
Authorized but unissued shares of common stock (in shares)			204,794			204,794
Shares available for grant under the Plan (in shares)			68,371			68,371
Percentage of quarterly closing price employees pay for shares (in hundredths)						85.00%
Stock-based compensation expense by type [Abstract]
Total stock-based compensation expense						96,000		100,000	93,000
Fair value and valuation assumptions [Abstract]
Weighted average fair value at grant date (in dollars per share)						$ 10.78		$ 12.47	$ 12.37
Expected life (in years)						0 years 3 months		0 years 3 months	0 years 3 months
Expected volatility - minimum (in hundredths)						36.40%		34.40%	39.70%
Expected volatility - maximum (in hundredths)						46.40%		41.00%	42.60%
Risk-free interest rate - minimum (in hundredths)						0.04%		0.01%	0.02%
Risk-free interest rate - maximum (in hundredths)						0.16%		0.05%	0.10%
Dividend yield (in hundredths)						0.00%		0.00%	0.00%
Employee Stock Purchases [Abstract]
Shares purchased (in shares)						8,882		8,066	7,596
Average price per share (in dollars per share)						$ 42.16		$ 46.39	$ 43.45
Director Deferred Compensation Plan [Member]
Stock-based compensation plans [Abstract]
Authorized but unissued shares of common stock (in shares)			112,500			112,500
Shares available for grant under the Plan (in shares)			42,928			42,928
Stock-based compensation expense by type [Abstract]
Total stock-based compensation expense						70,000		130,000	36,000
Income tax benefit recognized						26,000		49,000	14,000
Director Deferred Compensation [Abstract]
Total number of stock units deferred under plan (in shares)						1,426		2,215	646
Non-Employee Director Equity Plan [Member]
Stock-based compensation plans [Abstract]
Authorized but unissued shares of common stock (in shares)			500,000			500,000
Shares available for grant under the Plan (in shares)			447,567			447,567
Stock Options [Member]
Stock-based compensation expense by type [Abstract]
Total stock-based compensation expense						469,000		358,000	805,000
Income tax benefit recognized						200,000		100,000	300,000
Fair value and valuation assumptions [Abstract]
Exercise price (in dollars per share)	$ 52.88	$ 56.84	$ 48.43	$ 42.63	$ 54.17
Weighted average fair value at grant date (in dollars per share)	$ 22.74	$ 24.31	$ 18.58	$ 15.36	$ 18.99	$ 23.12		$ 17.97	$ 19.39
Expected life (in years)	5 years 2 months 5 days	5 years 2 months 5 days	5 years 4 months 10 days	5 years 4 months 10 days	5 years 2 months 5 days
Expected volatility (in hundredths)	46.42%	46.46%	39.73%	36.47%	36.42%
Risk-free interest rate (in hundredths)	1.76%	1.59%	1.68%	1.82%	1.64%
Dividend yield (in hundredths)	0.00%	0.00%	0.00%	0.00%	0.00%
Stock option activity [Roll Forward]
Options outstanding at beginning of period (in shares)		244,026				244,026
Granted (in shares)						20,314
Exercised (in shares)						(22,046)
Forfeited, cancelled or expired (in shares)						0
Options outstanding at end of period (in shares)			242,294			242,294		244,026
Exercisable at end of period (in shares)			242,294			242,294
Weighted Average Exercise Price, Options outstanding at beginning of period (in dollars per share)		$ 31.99				$ 31.99
Weighted Average Exercise Price, Options granted (in dollars per share)						$ 55.19
Weighted Average Exercise Price, Options exercised (in dollars per share)						$ 18.71
Weighted Average Exercise Price, Options forfeited, cancelled or expired (in dollars per share)						$ 0
Weighted Average Exercise Price, Options outstanding at end of period (in dollars per share)			$ 35.15			$ 35.15		$ 31.99
Weighted Average Exercise Price, Options Exercisable at end of period (in dollars per share)			$ 35.15			$ 35.15
Weighted Average Remaining Contractual Term, Options outstanding at beginning of period (in years)						5 years 4 months 2 days		5 years 8 months 8 days
Weighted Average Remaining Contractual Term, Options outstanding at end of period (in years)						5 years 4 months 2 days		5 years 8 months 8 days
Weighted Average Remaining Contractual Term, Options exercisable at end of period (in years)						5 years 4 months 2 days
Aggregate Intrinsic Value, Options outstanding at beginning of period		6,841,000				6,841,000
Aggregate Intrinsic Value, Options outstanding at end of period			3,439,000			3,439,000		6,841,000
Aggregate Intrinsic Value, Options exercisable at end of period			3,439,000			3,439,000
Intrinsic value of stock options exercised						1,100,000		6,800,000	4,000,000
Cash received from stock option exercises						400,000		2,600,000	2,700,000
RSUs [Member]
Stock-based compensation expense by type [Abstract]
Total stock-based compensation expense						3,833,000		5,250,000	4,715,000
Income tax benefit recognized						1,400,000		2,000,000	1,800,000
Fair value and valuation assumptions [Abstract]
Weighted average fair value at grant date (in dollars per share)						$ 56.81		$ 54.13	$ 52.26
Nonvested awards [Abstract]
Unrecognized compensation cost related to nonvested awards			7,800,000			7,800,000
Unrecognized compensation cost related to nonvested awards, recognition period (in years)						2 years 2 months 12 days
Restricted stock unit activity [Roll Forward]
Restricted stock unit awards outstanding at February 2, 2013 (in shares)		320,317				320,317
Granted (in shares)						73,074		107,303	104,417
PSU Multiplier Earned						0	[1]
Vested (in shares)						(109,721)
Forfeited, cancelled or expired (in shares)						(17,781)
Restricted stock unit awards outstanding at February 1, 2014 (in shares)			265,889			265,889		320,317
Weighted Average Grant Date Fair Value at February 2, 2013 (in dollars per share)		$ 38.20				$ 38.20
Weighted Average Grant Date Fair Value - Granted (in dollars per share)						$ 56.80
Weighted Average Grant Date Fair Value - PSU Multiplier Earned (in dollars per share)						$ 0	[1]
Weighted Average Grant Date Fair Value - Vested (in dollars per share)						$ 27.95
Weighted Average Grant Date Fair Value - Forfeited, cancelled or expired (in dollars per share)						$ 37.01
Weighted Average Grant Date Fair Value at February 1, 2014 (in dollars per share)			$ 47.62			$ 47.62		$ 38.20
Restricted Stock and Performance-Based Units
Intrinsic value of vested RSUs						13,100,000
Intrinsic value of nonvested RSUs			$ 17,200,000			$ 17,200,000		$ 32,500,000	$ 34,300,000
PSUs [Member]
Restricted stock unit activity [Roll Forward]
Restricted stock unit awards outstanding at February 2, 2013 (in shares)		221,050				221,050
Granted (in shares)						25,300
PSU Multiplier Earned						4,075	[1]
Vested (in shares)						(120,400)
Forfeited, cancelled or expired (in shares)						(31,250)
Restricted stock unit awards outstanding at February 1, 2014 (in shares)			98,775			98,775
Weighted Average Grant Date Fair Value at February 2, 2013 (in dollars per share)		$ 33.55				$ 33.55
Weighted Average Grant Date Fair Value - Granted (in dollars per share)						$ 56.84
Weighted Average Grant Date Fair Value - PSU Multiplier Earned (in dollars per share)						$ (20.07)	[1]
Weighted Average Grant Date Fair Value - Vested (in dollars per share)						$ 26.98
Weighted Average Grant Date Fair Value - Forfeited, cancelled or expired (in dollars per share)						$ 40.61
Weighted Average Grant Date Fair Value at February 1, 2014 (in dollars per share)			$ 43.08			$ 43.08
Total Restricted Stock Units [Member]
Restricted stock unit activity [Roll Forward]
Restricted stock unit awards outstanding at February 2, 2013 (in shares)		541,367				541,367
Granted (in shares)						98,374
PSU Multiplier Earned						4,075	[1]
Vested (in shares)						(230,121)
Forfeited, cancelled or expired (in shares)						(49,031)
Restricted stock unit awards outstanding at February 1, 2014 (in shares)			364,664			364,664
Weighted Average Grant Date Fair Value at February 2, 2013 (in dollars per share)		$ 36.30				$ 36.30
Weighted Average Grant Date Fair Value - Granted (in dollars per share)						$ 56.81
Weighted Average Grant Date Fair Value - PSU Multiplier Earned (in dollars per share)						$ (20.07)	[1]
Weighted Average Grant Date Fair Value - Vested (in dollars per share)						$ 27.44
Weighted Average Grant Date Fair Value - Forfeited, cancelled or expired (in dollars per share)						$ 39.31
Weighted Average Grant Date Fair Value at February 1, 2014 (in dollars per share)			$ 46.39			$ 46.39

[1] PSU multiplier earned represents additional RSUs awarded to our NEOs above the target grant resulting from the achievement of performance goals above the performance targets established at grant.