STOCK-BASED COMPENSATION (Details 2) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
		Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Document Period End Date		Feb. 02, 2019
Allocated Share-based Compensation Expense	[1]	$ 27,415	$ 30,797	$ 28,040
Deferred and Performance Awards
Forfeited (in shares)				30
Weighted Average Grant Date Fair Value
Net shares in excess (less) than target		347	203
Unrecognized costs and period of recognition
Exercised (in shares)		(711)	(504)	(15)
Weighted Average Grant Date Fair Value, unvested stock options
Weighted avg fair value, shares in excess (less) than target		$ 70.09	$ 50,970
Deferred and Restricted Stock (Deferred Awards) Member
Deferred and Performance Awards
Unvested awards at the beginning of the period (in shares)		420	469	473
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		135	212	189
Vested (in shares)	[2]	(197)	202	163
Forfeited (in shares)		(59)	59
Unvested awards at the end of the period (in shares)		299	420	469
Weighted Average Grant Date Fair Value
Unvested awards at the beginning of the period (in dollars per share)		$ 82.3	$ 61.19	$ 54.62
Granted (in shares)		124.21	110.17	72.19
Vested (in dollars per share)		75.65	62.30	54.35
Forfeited (in dollars per share)		110.63	83.25	63.88
Unvested awards at the end of the period (in dollars per share)		$ 99.98	$ 82.3	$ 61.19
Unrecognized costs and period of recognition
Unrecognized stock-based compensation expense (in dollars)		$ 15,800
Weighted average period for recognition of unrecognized stock-based compensation expense (in years)		1 year 9 months 12 days
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense		$ 12,849	$ 11,891	$ 8,906
Weighted Average Grant Date Fair Value, unvested stock options
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value		25,300	23,600	12,200
Performance awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense		$ 14,566	$ 18,906	$ 19,134
Deferred and Performance Awards
Unvested awards at the beginning of the period (in shares)		544	515	375
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		87	172	204
Vested (in shares)		(513)	301	54
Forfeited (in shares)		(113)	45	10
Unvested awards at the end of the period (in shares)		352	544	515
Weighted Average Grant Date Fair Value
Unvested awards at the beginning of the period (in dollars per share)		$ 84.11	$ 68.11	$ 61.37
Granted (in shares)		123.02	113.76	75.19
Vested (in dollars per share)		70.09	50.97	48.26
Forfeited (in dollars per share)		114.06	86.80	67.11
Unvested awards at the end of the period (in dollars per share)		$ 90.66	$ 84.11	$ 68.11
Unrecognized costs and period of recognition
Unrecognized stock-based compensation expense (in dollars)		$ 9,600
Weighted average period for recognition of unrecognized stock-based compensation expense (in years)		1 year 2 months 12 days
Weighted Average Grant Date Fair Value, unvested stock options
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value		$ 69,200	$ 49,100	$ 4,400
Cost of Sales [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense		$ 3,500	$ 4,000	$ 3,600

[1] A portion of stock-based compensation is included in cost of sales. Approximately $3.5 million, $4.0 million, and $3.6 million in Fiscal 2018, Fiscal 2017, and Fiscal 2016, respectively, were included in cost of sales. All other stock-based compensation is included in selling, general, and administrative expense.

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