Preferred Stock and Long-Term Payable (Details) (USD $)	3 Months Ended		1 Months Ended	3 Months Ended					1 Months Ended
	Apr. 28, 2012	Apr. 30, 2011	Feb. 28, 2011 Series B Preferred Stock [Member]	Apr. 30, 2011 Series B Preferred Stock [Member]	Apr. 28, 2012 Deferred Contractural Payment Agreement [Member]	Apr. 30, 2011 Deferred Contractural Payment Agreement [Member]	Oct. 31, 2009 Deferred Contractural Payment Agreement [Member]	Jan. 28, 2012 Deferred Contractural Payment Agreement [Member]	Feb. 25, 2012 2012 Line Of Credit Agreement - PNC Bank, N.A. [Member]	Feb. 09, 2012 2012 Line Of Credit Agreement - PNC Bank, N.A. [Member]
Debt Instrument [Line Items]
Payments of Dividends, Preferred Stock and Preference Stock	$ 0	$ 8,915,000	$ 2,500,000	$ 6,400,000
Payments for Repurchase of Preferred Stock and Preference Stock	0	40,853,000
Preferred Stock Redemption Premium			1,200,000	24,500,000
Debt Instrument, Maturity Date Range, End							3		3
Secured Debt, Current								12,347,000
Repayments of Secured Debt	12,400,000				12,365,000	11,926,000
Line of Credit Facility, Maximum Borrowing Capacity										$ 40,000,000