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Earnings (Loss) Per Share, Calculation of EPS (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 23, 2012	Mar. 25, 2011
Numerator:
Loss from continuing operations	$ (9,967)	$ (10,863)
Income (loss) from discontinued operations, net of income taxes	12,582	(181)
Net income (loss)	$ 2,615	$ (11,044)
Denominator:
Weighted-average number of common shares outstanding-basic	167,666,741	163,997,743
Weighted-average number of common shares outstanding-diluted	168,172,549	163,997,743
Basic (loss) earnings per share:
Continuing operations (in dollars per share)	$ (0.06)	$ (0.07)
Discontinued operations (in dollars per share)	$ 0.08	$ 0.00
Total (in dollars per share)	$ 0.02	$ (0.07)
Diluted (loss) earnings per share:
Continuing operations (in dollars per share)	$ (0.06)	$ (0.07)
Discontinued operations (in dollars per share)	$ 0.08	$ 0.00
Total (in dollars per share)	$ 0.02	$ (0.07)
Unvested restricted common stock [Member]
Denominator:
Unvested Stock/SARs/MSUs	248,058	0
Unexercised MSUs [Member]
Denominator:
Unvested Stock/SARs/MSUs	257,750	0

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