Long-Term Debt (Extinguishments) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jul. 02, 2016	Apr. 02, 2016	Jun. 27, 2015	Mar. 28, 2015	Jul. 02, 2016	Jun. 27, 2015
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	$ 51,273		$ (126)		$ 72,886	$ (559)
Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	46,100	$ 5,100	(100)	$ (400)
Debt extinguishment amount		10,000	$ 6,800	15,800
Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	5,400	16,500
Debt extinguishment amount	16,500	51,000
Asset based lending facility [Member] | ABL Facility due 2021 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	(200)
Discount [Member] | Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	49,600	5,300
Discount [Member] | Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	6,000	16,800
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	(800)	(100)		(200)
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	(100)	(300)
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	(1,200)	$ (100)		$ (200)
Transaction fees [Member] | Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	(1,500)
Transaction fees [Member] | Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	(500)
Affiliate noteholders [Member] | Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Debt extinguishment amount	4,200
Affiliate noteholders [Member] | Discount [Member] | Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	$ 1,200