Net Loss Per Share of Common Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended			1 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013 Bond Hedge [Member]	Feb. 28, 2012 Total [Member]	Mar. 31, 2013 Warrant [Member] 4.50% Debentures [Member] Minimum [Member] Embedded Derivative Financial Instruments [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Income (loss) from continuing operations	$ (54,696)	$ (74,530)
Basic and diluted	119,553,000	111,785,000
Basic and diluted	$ (0.46)	$ (0.67)
Incremental Common Shares Attributable to Conversion of Debt Securities	0
Option Indexed to Issuer's Equity, Indexed Shares			11,100,000
Option Indexed to Issuer's Equity, Strike Price					24.00
Liquidity Support Facility, Warrant Issued, Number of Common Stock Shares				9,531,677
Liquidity Support Facility, Warrant Issued, Exercise Price Per Share				$ 7.8685