EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Earnings per share
Anti-dilutive stock options shares excluded from the computation of earnings per share (in shares)									5,500	2,300	800
Basic earnings per common share:
Net income	$ 202,968	$ 79,760	$ 35,562	$ 72,208	$ 195,318	$ 76,459	$ 35,617	$ 70,765	$ 390,498	$ 378,159	$ 362,912
Less income related to unvested restricted shares									(1,519)	(2,323)	(1,900)
Income available to common shareholders - Basic									$ 388,979	$ 375,836	$ 361,012
Weighted-average common shares outstanding - Basic (in shares)									184,281	204,735	206,845
Basic earnings per common share (in dollars per share)									$ 2.11	$ 1.84	$ 1.75
Diluted earnings per common share:
Net income	$ 202,968	$ 79,760	$ 35,562	$ 72,208	$ 195,318	$ 76,459	$ 35,617	$ 70,765	$ 390,498	$ 378,159	$ 362,912
Less income related to unvested restricted shares									(1,508)	(2,305)	(1,877)
Income available to common shareholders - Diluted									$ 388,990	$ 375,854	$ 361,035
Weighted-average common shares outstanding - Basic (in shares)									184,281	204,735	206,845
Effect of dilutive stock options and restricted stock units (in shares)									1,285	1,619	2,501
Weighted-average common shares outstanding - Diluted (in shares)									185,566	206,354	209,346
Diluted earnings per common share (in dollars per share)	$ 1.11	$ 0.44	$ 0.19	$ 0.38	$ 0.95	$ 0.37	$ 0.17	$ 0.34	$ 2.10	$ 1.82	$ 1.72