STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended					1 Months Ended		1 Months Ended		3 Months Ended		9 Months Ended
	Oct. 27, 2012 item	Nov. 26, 2011	Jan. 28, 2012	Jul. 31, 2006	Feb. 28, 2004	Jul. 31, 2012 Rights Plan	Jul. 05, 2012 Rights Plan	Jul. 31, 2012 Rights Plan Series A Junior Participating Preferred Stock	Jul. 05, 2012 Rights Plan Series A Junior Participating Preferred Stock	Oct. 27, 2012 Stock options	Nov. 26, 2011 Stock options	Oct. 27, 2012 Stock options	Nov. 26, 2011 Stock options	Oct. 27, 2012 Stock options Minimum	Oct. 27, 2012 Stock options Employees	Oct. 27, 2012 Stock options Employees Maximum	Oct. 27, 2012 Stock options Directors	Oct. 27, 2012 Stock options Directors Maximum	Oct. 27, 2012 Restricted stock Employees Minimum	Oct. 27, 2012 Restricted stock Employees Maximum	Oct. 27, 2012 Restricted stock Directors
Stockholders' equity and stock-based compensation
Quarterly cash dividend (in dollars per share)				$ 0.06	$ 0.04
Number of preferred share purchase rights issued as a dividend against each outstanding share of common stock						1
Common stock, par value (in dollars per share)	$ 0.01		$ 0.01				$ 0.01
Period after the first date of public announcement by the Company or an acquiring person, rights available for distribution						10 days
Beneficial ownership percentage of acquiring person						15.00%
Period after the date of the commencement by any person of a tender or exchange offer, rights available for distribution						10 days
Preferred share purchase right conversion basis								0.0001
Preferred stock, par value (in dollars per share)	$ 0.01		$ 0.01						$ 0.01
Purchase price (in dollars per share)									$ 8.25
Number of times of market value of preferred stock entitled by right holders	2
Purchase price of common stock as percentage of the fair market value of the common stock on the grant date														100.00%
Vesting period															3 years		30 months		1 year	3 years	6 months
Period from the grant date for which awards are exercisable																10 years		10 years
Pre-tax stock-based compensation expense	$ 1.5	$ 2.2
Weighted average assumptions relating to the valuation of our stock options granted
Expected dividend yield (as a percent)										0.00%	6.04%	0.00%	4.00%
Expected volatility (as a percent)										76.70%	72.40%	73.70%	71.10%
Risk-free interest rate (as a percent)										0.60%	0.90%	1.00%	2.10%
Expected term in years										5 years	5 years	4 years 10 months 24 days	5 years