Equity (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	May 04, 2013		Feb. 02, 2013		Apr. 28, 2012
Preferred stock transactions
Preferred Stock, Value, Issued, Beginning Balance	$ 3,924	[1]	$ 4,957		$ 4,903
Other	(1,163)		(1,033)
Preferred stock redemptions	(1,462)
Preferred Stock, Value, Issued, Ending Balance	1,299	[1]	3,924	[1]	4,903
Non-Redeemable Preferred Stock [Member]
Preferred stock transactions
Preferred Stock, Value, Issued, Beginning Balance	2,615	[1]	3,621
Other	(1,153)		(1,006)
Preferred stock redemptions	(1,462)
Preferred Stock, Value, Issued, Ending Balance	0	[1]	2,615	[1]
Non-Redeemable Employees' Preferred Stock [Member]
Preferred stock transactions
Preferred Stock, Value, Issued, Beginning Balance	1,405		1,437
Other	(11)		(32)
Preferred stock redemptions	0
Preferred Stock, Value, Issued, Ending Balance	1,394		1,405
Employees' Preferred Stock Purchase Accounts [Member]
Preferred stock transactions
Preferred Stock, Value, Issued, Beginning Balance	(96)	[1]	(101)
Other	1		5
Preferred stock redemptions	0
Preferred Stock, Value, Issued, Ending Balance	$ (95)	[1]	$ (96)	[1]

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