STOCK-BASED COMPENSATION (Details 2) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 03, 2018	Oct. 28, 2017	Nov. 03, 2018	Oct. 28, 2017
Stock-based compensation
Allocated Share-based Compensation Expense	$ 4,476	$ 8,081	$ 20,693	$ 22,561
Vesting period (in years)			1 year	3 years
Cost of Sales [Member]
Stock-based compensation
Allocated Share-based Compensation Expense	1,100	1,100	$ 3,000	$ 3,100
Restricted Stock Units (RSUs) [Member]
Stock-based compensation
Allocated Share-based Compensation Expense	2,685	2,804	10,031	8,730
Performance Awards Member
Stock-based compensation
Allocated Share-based Compensation Expense	$ 1,791	$ 5,277	$ 10,662	$ 13,831
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)			544
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period			87
Vested (in shares)			(513)
Forfeited (in shares)			(95)
Unvested awards at the end of the period (in shares)	370		370
Weighted Average Grant Date Fair Value
Unvested awards at the beginning of the period (in dollars per share)			$ 84.11
Granted (in shares)			123.02
Vested (in dollars per share)			70.09
Forfeited (in dollars per share)			115.26
Unvested awards at the end of the period (in dollars per share)	$ 91.53		$ 91.53
Unrecognized costs and period of recognition
Unrecognized stock-based compensation expense (in dollars)	$ 14,800		$ 14,800
Weighted average period for recognition of unrecognized stock-based compensation expense (in years)			1 year 3 months 12 days