NET INCOME PER COMMON SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 03, 2013	Jan. 29, 2012	Jan. 30, 2011
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income	$ 433,840	$ 275,697	$ 54,377
Common stock dividends paid to holders of Series A convertible preferred stock	(366)	(628)	(471)
Allocation of income to Series A convertible preferred stock	(12,179)	(15,557)	(2,098)
Net income available to common stockholders for basic net income per common share	421,295	259,512	51,808
Net income available to common stockholders for diluted net income per common share	$ 433,840	$ 275,697	$ 54,377
Weighted average common shares outstanding for basic net income per common share	70,392	67,158	62,744
Weighted average impact of dilutive securities	1,397	1,576	1,455
Weighted average impact of dilutive warrant	0	0	72
Weighted average impact of assumed convertible preferred stock conversion	2,087	4,189	3,107
Total shares for diluted net income per common share	73,876	72,923	67,378
Basic net income per common share	$ 5.98	$ 3.86	$ 0.83
Diluted net income per common share	$ 5.87	$ 3.78	$ 0.81
Weighted average potentially antidilutive securities	305	345	287