Earnings Per Share (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jul. 28, 2012		Jul. 30, 2011		Jul. 28, 2012		Jul. 30, 2011
Earnings Per Share (Textual) [Abstract]
Convertible preferred stock	0	[1]	0	[1]	18,000	[2]	0	[2]
Shares repurchased	346,398,000
Value of shares repurchased	$ 20,800				$ 20,826
Other Accrued Liabilities [Member]
Earnings Per Share (Textual) [Abstract]
Value of shares repurchased	$ 600
Convertible Preferred Stock Series 1 [Member]
Earnings Per Share (Textual) [Abstract]
Convertible preferred stock	13,502
Convertible Preferred Stock Series 3 [Member]
Earnings Per Share (Textual) [Abstract]
Convertible preferred stock	18,198
Convertible Preferred Stock Series 4 [Member]
Earnings Per Share (Textual) [Abstract]
Convertible preferred stock	4,920

[1] The amount of the dividend on the convertible preferred stock per common share obtainable on conversion of the convertible preferred stock was higher than basic earnings per share for all periods presented. Therefore, conversion of the convertible preferred stock was not reflected in diluted earnings per share because it would have been antidilutive. The shares convertible to common stock for Series 1, 3 and 4 preferred stock would have been 13,502, 18,198 and 4,920, respectively, as of July 28, 2012.

[2] The amount of the dividend on the convertible preferred stock per common share obtainable on conversion of the convertible preferred stock was less than basic earnings per share for Series 3 preferred stock for the six months ended July 28, 2012. Therefore, conversion of Series 3 preferred shares was included in diluted earnings per share for the six months ended July 28, 2012. The amount of the dividend on the convertible preferred stock per common share obtainable on conversion of the convertible preferred stock was higher than basic earnings per share for Series 1 and 4 preferred stock for the six months ended July 28, 2012 and for all preferred stocks for the six months ended July 30, 2011. Therefore, conversion of the Series 1 and 4 convertible preferred stocks for the six months ended July 28, 2012 and all preferred stocks for the six months ended July 30, 2011 were not reflected in diluted earnings per share because it would have been antidilutive. The shares convertible to common stock for Series 1, 3 and 4 preferred stock would have been 13,502, 18,198 and 4,920, respectively, as of July 28, 2012.