Long-Term Debt (Extinguishments) (Details) - USD ($) $ in Thousands	3 Months Ended							9 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Oct. 01, 2016	Sep. 26, 2015
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		$ 7,442			$ 0			$ 80,328	$ (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		7,400	5,400	16,500
Debt extinguishment amount			16,500	34,500
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		8,400	6,000	16,800
Warrant [Member] | Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(700)
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		(200)	(100)	(300)
Unamortized debt issuance costs [Member] | Asset based lending facility [Member] | ABL Facility due 2021 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt			(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			(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		$ (100)	(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
Subsequent Event [Member] | Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Debt extinguishment amount	$ 20,000
Subsequent Event [Member] | Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	(100)
Debt extinguishment amount	$ 5,700