Income (Loss) Per Share (Computation of Basic and Diluted Income (Loss) per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 28, 2015	Mar. 29, 2014
Earnings Per Share [Abstract]
Loss from continuing operations	$ (7,647)	$ (16,787)
(Loss) income from discontinued operations, net of taxes	(32)	953
Net loss	$ (7,679)	$ (15,834)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic shares	67,746	66,336
Dilutive effect of 7% Notes (shares)	0	0
Dilutive effect of Equity Awards (shares)	0	0
Diluted shares	67,746	66,336
(Loss) income per share – basic:
Continuing operations per share - basic	$ (0.11)	$ (0.25)
Discontinued operations per share - basic	0.00	0.01
Net loss per share - basic	(0.11)	(0.24)
(Loss) income per share – diluted:
Continuing operations per share - diluted	(0.11)	(0.25)
Discontinued operations per share - diluted	0.00	0.01
Net loss per share - diluted	$ (0.11)	$ (0.24)