NET INCOME PER COMMON SHARE - DILUTED (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 29, 2012	May 01, 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)	$ 88,674	$ 54,265
Common stock dividends paid to holders of Series A convertible preferred stock	209	314
Allocation of income to Series A convertible preferred stock	4,231	3,088
Net income available to common stockholders for diluted net income per common share	$ 93,114	$ 57,667
Number of dilutive shares that could be issued upon vesting	686	696