Income (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 30, 2013	Mar. 31, 2012
Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	23,006,348	26,355,477
Income (loss) from continuing operations	$ (19,156)	$ (22,584)
Income (loss) from discontinued operations, net of taxes	11	(4,634)
Net loss	(19,145)	(27,218)
Income (Loss) per Share - Diluted [Abstract]
Income (loss) from continuing operations	(19,156)	(22,584)
Income (loss) from discontinued operations, net of taxes	11	(4,634)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic shares	63,840,000	63,407,000
Diluted shares	63,840,000	63,407,000
Income (loss) per share - basic: [Abstract]
Continuing operations per share - basic	$ (0.30)	$ (0.36)
Discontinued operations per share - basic	$ 0.00	$ (0.07)
Net income (loss) per share - basic	$ (0.30)	$ (0.43)
Income (loss) per share - diluted: [Abstract]
Continuing operations per share - diluted	$ (0.30)	$ (0.36)
Discontinued operations per share - diluted	$ 0.00	$ (0.07)
Net income (loss) per share - diluted	$ (0.30)	$ (0.43)
Common Class A [Member]
Earnings Per Share [Line Items]
Income (loss) from continuing operations	(19,156)	(22,584)
Income (loss) from discontinued operations, net of taxes	11	(4,634)
Net loss	(19,145)	(27,218)
Income (Loss) per Share - Diluted [Abstract]
Income (loss) from continuing operations	(19,156)	(22,584)
Income (loss) from discontinued operations, net of taxes	$ 11	$ (4,634)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic shares	63,840,000	63,407,000
Dilutive effect of convertible notes	0	0
Dilutive effect of equity awards	0	0
Diluted shares	63,840,000	63,407,000
Income (loss) per share - basic: [Abstract]
Continuing operations per share - basic	$ (0.30)	$ (0.36)
Discontinued operations per share - basic	$ 0.00	$ (0.07)
Net income (loss) per share - basic	$ (0.30)	$ (0.43)
Income (loss) per share - diluted: [Abstract]
Continuing operations per share - diluted	$ (0.30)	$ (0.36)
Discontinued operations per share - diluted	$ 0.00	$ (0.07)
Net income (loss) per share - diluted	$ (0.30)	$ (0.43)

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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