SERIES B CUMULATIVE CONVERTIBLE PARTICIPATING PREFERRED STOCK (Details Textual) (USD $)	0 Months Ended	2 Months Ended	3 Months Ended	6 Months Ended		12 Months Ended		6 Months Ended	1 Months Ended	0 Months Ended		2 Months Ended
	May 08, 2012	May 18, 2012	Apr. 29, 2012	Apr. 28, 2013	Apr. 29, 2012	Oct. 28, 2012	May 08, 2012 Scenario, Forecast [Member]	Apr. 28, 2013 Dividend Knock Out [Member]	Oct. 20, 2009 Cd and R Fund Eight [Member]	Aug. 14, 2009 Cd and R Fund Eight [Member]	Aug. 14, 2009 Cd and R Fund [Member]	May 18, 2012 Cd and R Fund [Member]	Apr. 28, 2013 Cd and R Fund [Member]	Oct. 28, 2012 Cd and R Fund [Member]	Oct. 20, 2009 Cd and R Fund [Member]
Investment Agreement Aggregate Purchase Price										$ 250,000,000
Transaction Costs Preferred Stock											14,500,000
Deal Fee Preferred Stock											8,250,000
Initial proceeds									250,000	250,000				37,834
Convertible Preferred Stock Shares Issuable Upon Conversion				54,100,000					39,200,000
Voting Rights Percentage Attributable Upon Conversion Of Convertible Preferred Stock									68.40%
Voting Percentage													72.40%	72.70%
Preferred Stock Dividend Accrual Percentage												10.00%
Accrued Dividends On Preferred Stock Issued												6,500,000
Incremental Dividend Payment Percentage On Default				0% to 6
Aggregate Value Of Preference Stock and Liquidation Preference and Accrued Dividend Issued														345,000,000
Preferred Stock, Value, Outstanding	290,300,000
Closing Price Per Share															$ 12.55
Beneficial Conversion Feature Intrinsic Value															241,400,000
Preferred Stock Accreted Value														313,700,000
Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock	222,900,000
Increase In Accumulated Deficit, Fair Value Preferred Stock Increased	106,700,000
Debt Instrument, Convertible, Beneficial Conversion Feature	282,100,000		7,900,000		11,900,000
Convertible Preferred Stock Issuance Cost	48,800,000
Liquidation preference				339,293,000		339,293,000								31,400,000
Stockholders' Equity, Reverse Stock Split				The initial conversion price of the Convertible Preferred Stock ($6.374),
Incremental Common Shares Attributable to Conversion of Preferred Stock				54,100,000	48,900,000	54,100,000
Increase Decrease In Fair Value Of Preferred Stock	620,000,000
Dividends, Convertible Preferred Stock, Stock		5,833,491										8,924,762
Preferred Stock, Shares Outstanding				339,293		339,293
Temporary Equity, Accretion of Dividends			700,000		1,400,000
Dividends			$ 9,000,000		$ 15,000,000
Dividend Payment Restrictions Schedule, Description								The dividend "knock-out" provision provided that if, at any time after the 30-month anniversary of the Closing Date of October 20, 2009 (i.e., March 20, 2012), the trading price of the Common Stock exceeds $12.75, which is 200% of the initial conversion price of the Convertible Preferred Stock ($6.374), for each of 20 consecutive trading days, the dividend rate (excluding any applicable adjustments as a result of a default) will become 0.00%.
Fair Value Assumptions, Expected Volatility Rate	49.10%
Fair Value Assumptions, Risk Free Interest Rate	1.34%
Fair Value Assumptions, Expected Dividend Rate	7.50%
Share Price							$ 11.29