Long-Term Debt (Extinguishments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Mar. 28, 2015
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	$ 21,613	$ (433)
Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	16,500
Debt extinguishment amount	34,500
Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	5,100
Debt extinguishment amount	10,000	15,800
Discount [Member] | Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	16,800
Discount [Member] | Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	5,300
Unamortized debt issuance costs [Member] | Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	(300)
Unamortized debt issuance costs [Member] | Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	(100)	(200)
Original issuance discount [Member] | Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	$ (100)	$ (200)