STOCKHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016	Jan. 28, 2017
STOCKHOLDERS' EQUITY
Allocated Share-based Compensation Expense	$ 8,081	$ 8,275	$ 22,561	$ 20,904
Treasury Stock, Shares, Acquired			1,700	3,000
Treasury Stock, Value, Acquired, Cost Method			$ 186	$ 187
Treasury Stock, Shares	44,000	42,000	44,000	42,000	42,000
Treasury Stock, Value	$ 2,374	$ 2,126	$ 2,374	$ 2,126	$ 2,188
Common Stock, Dividends, Per Share, Cash Paid	$ 0.40	$ 0.20	$ 1.20	$ 0.60
2015 $250M Share Repurchase Program [Member] [Domain] [Domain] [Domain]
STOCKHOLDERS' EQUITY
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 277,600		$ 277,600
2015 $250M Share Repurchase Program [Member] [Domain] [Domain] [Member]
STOCKHOLDERS' EQUITY
Stock Repurchased and Retired During Period, Shares			766,000	1,157,000
Stock Repurchased and Retired During Period, Value			$ 85,385	$ 91,527
2015 Share Repurchase Program [Member] [Domain] [Domain]
STOCKHOLDERS' EQUITY
Stock Repurchased and Retired During Period, Shares			0	310,000
Stock Repurchased and Retired During Period, Value			$ 0	$ 20,726
Retained Earnings [Member]
STOCKHOLDERS' EQUITY
Stock Repurchased and Retired During Period, Value			74,500	100,500
Dividends			22,400	11,800
Dividends, Common Stock, Cash			21,100	11,200
Dividendsunvestedshares			$ 1,300	600
Dividends [Domain]
STOCKHOLDERS' EQUITY
Common Stock, Dividends, Per Share, Cash Paid			$ 0.40
Restricted Stock Units (RSUs) [Member]
STOCKHOLDERS' EQUITY
Allocated Share-based Compensation Expense	2,804	$ 2,202	$ 8,730	6,629
Performance Awards Member
STOCKHOLDERS' EQUITY
Allocated Share-based Compensation Expense	$ 5,277	$ 6,073	$ 13,831	$ 14,275