Income (Loss) Per Share (Computation of Basic and Diluted Income (Loss) per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Loss from continuing operations	$ (59,468)	$ 13,427	$ (18,996)	$ (20,490)	$ (57,389)	$ 3,022	$ (1,790)	$ (24,371)	$ (85,527)	$ (80,528)	$ (8,694)
Income from discontinued operations, net of taxes	1,791	13,492	113	1,345	646	1,453	1,389	(2,847)	16,741	641	129
Net loss	$ (57,677)	$ 26,919	$ (18,883)	$ (19,145)	$ (56,743)	$ 4,475	$ (401)	$ (27,218)	$ (68,786)	$ (79,887)	$ (8,565)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic shares									64,576	63,567	62,983
Dilutive effect of convertible notes (shares)									0	0	0
Dilutive effect of equity awards (shares)									0	0	0
Diluted shares									64,576	63,567	62,983
(Loss) income per share – basic:
(Loss) income per share from continuing operations - basic	$ (0.90)	$ 0.21	$ (0.30)	$ (0.32)	$ (0.90)	$ 0.05	$ (0.03)	$ (0.38)	$ (1.32)	$ (1.27)	$ (0.14)
Discontinued operations per share - basic	$ 0.03	$ 0.21	$ 0.00	$ 0.02	$ 0.01	$ 0.02	$ 0.02	$ (0.05)	$ 0.25	$ 0.01	$ 0.00
Net loss per share - basic	$ (0.87)	$ 0.42	$ (0.30)	$ (0.30)	$ (0.89)	$ 0.07	$ (0.01)	$ (0.43)	$ (1.07)	$ (1.26)	$ (0.14)
(Loss) income per share – diluted:
(Loss) income per share from continuing operations - diluted	$ (0.90)	$ 0.16	$ (0.30)	$ (0.32)	$ (0.90)	$ 0.05	$ (0.03)	$ (0.38)	$ (1.32)	$ (1.27)	$ (0.14)
Discontinued operations per share - diluted	$ 0.03	$ 0.16	$ 0.00	$ 0.02	$ 0.01	$ 0.02	$ 0.02	$ (0.05)	$ 0.25	$ 0.01	$ 0.00
Net loss per share - diluted	$ (0.87)	$ 0.32	$ (0.30)	$ (0.30)	$ (0.89)	$ 0.07	$ (0.01)	$ (0.43)	$ (1.07)	$ (1.26)	$ (0.14)