Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified											3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended									3 Months Ended
	May 04, 2013		Feb. 02, 2013		Apr. 28, 2012	Jan. 28, 2012	May 04, 2013 Subordinated Serial Preferred Stock Aggregate [Member]		Feb. 02, 2013 Subordinated Serial Preferred Stock Aggregate [Member]		May 04, 2013 Subordinated Serial Preferred Stock $2.30 Series 1 [Member] Vote		Feb. 02, 2013 Subordinated Serial Preferred Stock $2.30 Series 1 [Member]		May 04, 2013 Subordinated Serial Preferred Stock $4.75 Series 3 [Member] Vote		Feb. 02, 2013 Subordinated Serial Preferred Stock $4.75 Series 3 [Member]		May 04, 2013 Subordinated Serial Preferred Stock $4.75 Series 4 [Member] Vote		Feb. 02, 2013 Subordinated Serial Preferred Stock $4.75 Series 4 [Member]		May 04, 2013 Subordinated Serial Preferred Stock Series 6 [Member] Vote		Feb. 02, 2013 Subordinated Serial Preferred Stock Series 6 [Member]		May 04, 2013 $1.50 Subordinated Cumulative Preferred Stock [Member] Vote		Feb. 02, 2013 $1.50 Subordinated Cumulative Preferred Stock [Member]		May 04, 2013 Non-Redeemable Preferred Stock [Member]		Feb. 02, 2013 Non-Redeemable Preferred Stock [Member]		Jan. 28, 2012 Non-Redeemable Preferred Stock [Member]	May 04, 2013 Employees Subordinated Convertible Preferred Stock [Member] Vote		Feb. 02, 2013 Employees Subordinated Convertible Preferred Stock [Member]		May 04, 2013 Stated Value of Issued Shares [Member]		Feb. 02, 2013 Stated Value of Issued Shares [Member]		May 04, 2013 Employees' Preferred Stock Purchase Accounts [Member]		Feb. 02, 2013 Employees' Preferred Stock Purchase Accounts [Member]		Jan. 28, 2012 Employees' Preferred Stock Purchase Accounts [Member]
Class of Stock [Line Items]
Preferred Stock, Dividend Rate, Per-Dollar-Amount											$ 2.30				$ 4.75				$ 4.75								$ 1.50
Non-Redeemable Preferred Stock
Non-redeemable preferred stock, shares authorized									3,000,000	[1],[2]			64,368	[1]			40,449	[1]			53,764	[1]			800,000	[1]			5,000,000	[1]								5,000,000	[1]
Non-redeemable preferred stock, number of shares							0	[1]	0	[1]	0	[1]	16,203	[1]	0	[1]	7,398	[1]	0	[1]	3,247	[1]	0	[1]	0	[1]	0	[1]	30,067	[1]	0	[1]	56,915	[1]		46,472	[1]	46,852	[1]
Non-redeemable preferred stock	$ 1,299	[1]	$ 3,924	[1]	$ 4,903	$ 4,957	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 648	[1]	$ 0	[1]	$ 740	[1]	$ 0	[1]	$ 325	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 902	[1]	$ 0	[1]	$ 2,615	[1]	$ 3,621	$ 1,394	[1]	$ 1,405	[1]	$ 1,394	[1]	$ 4,020	[1]	$ (95)	[1]	$ (96)	[1]	$ (101)
Common Convertible Ratio											0.83	[1]			2.11	[1]			1.52	[1]																		1.00	[1],[3]
Number of votes											1	[1]			2	[1]			1	[1]			100	[1]			1	[1]								1	[1]
Common convertible ratio	1																												1
Par value of preferred stock (USD per share)											$ 40				$ 100				$ 100										$ 1.50

[1] In order of preference for liquidation and dividends.

[2] The Company’s charter permits the board of directors to issue Subordinated Serial Preferred Stock in as many series, each with as many shares and such rights and preferences, as the board may designate.

[3] Also convertible into one share of $1.50 Subordinated Cumulative Preferred Stock.