Preferred Stock and Long-Term Payable (Details) (USD $)	1 Months Ended	9 Months Ended		1 Months Ended		3 Months Ended			1 Months Ended
	Apr. 30, 2011	Oct. 27, 2012	Oct. 29, 2011	Apr. 30, 2011 Series B Preferred Stock [Member]	Feb. 28, 2011 Series B Preferred Stock [Member]	Oct. 27, 2012 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	$ 6,400,000	$ 2,500,000
Payments for Repurchase of Preferred Stock and Preference Stock	40,900,000	0	40,854,000
Preferred Stock Redemption Premium				24,500,000	1,200,000
Long Term Portion Deferral Period							3 years
Secured Debt, Current								12,347,000
Repayments of Notes Payable						12,365,000			12,365,000
Line of Credit Facility, Maximum Borrowing Capacity										$ 40,000,000