NET INCOME PER COMMON SHARE - DILUTED (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 28, 2012	Oct. 30, 2011	Oct. 28, 2012	Oct. 30, 2011
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income available to common stockholders for basic net income per common share (add back section)	$ 160,642	$ 105,648	$ 334,008	$ 222,722
Common stock dividends paid to holders of Series A convertible preferred stock	78	157	287	471
Allocation of income to Series A convertible preferred stock	4,689	6,434	11,930	13,442
Net income available to common stockholders for diluted net income per common share	$ 165,409	$ 112,239	$ 346,225	$ 236,635
Number of dilutive shares that could be issued upon vesting	372	601	372	601