Long-Term Debt (Debt Extinguishment) (Details) (USD $)	12 Months Ended			3 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012	Jun. 28, 2014	Dec. 27, 2014	Sep. 27, 2014	Apr. 16, 2013	Mar. 28, 2012	Jun. 26, 2014	Jan. 18, 2013
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	$ (27,449,000)	$ (11,324,000)	$ (12,487,000)
8.875% senior second lien notes, due 2018 and Term Loan Facility due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt				(9,000,000)
Term Loan B and Revolving Credit Facility Due 2014 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(6,400,000)
Long-term debt [Member] | Term loan facility due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(800,000)
Debt extinguishment amount		28,200,000
Debt instrument, face amount							360,000,000
Secured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	(100,000)
Debt extinguishment amount	2,700,000
Debt instrument, face amount								225,000,000
Junior subordinated debt [Member] | 8.500% junior secured priority notes due 2022 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt					400,000
Debt extinguishment amount					2,000,000
Debt instrument, face amount									250,000,000
Senior subordinated notes [Member] | 7.875% Notes, 10.5% Notes and 8.375% Notes [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt			2,400,000
Unsecured debt [Member] | 15% unsecured term loan due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(4,000,000)		(1,000,000)
Debt extinguishment amount		40,000,000		9,400,000
Debt instrument, face amount										50,000,000.0
Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt						(1,100,000)
Debt Conversion, Converted Instrument, Amount						3,000,000
Debt instrument, face amount								1,000
Original Issuance Discount [Member] | 8.875% senior second lien notes, due 2018 and Term Loan Facility due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt				(3,200,000)
Original Issuance Discount [Member] | Term Loan B and Revolving Credit Facility Due 2014 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(200,000)
Original Issuance Discount [Member] | Long-term debt [Member] | Term loan facility due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(300,000)
Original Issuance Discount [Member] | Unsecured debt [Member] | 15% unsecured term loan due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(1,800,000)		(400,000)
Debt Issuance Costs [Member] | Secured debt [Member] | 6.000% Senior Secured Priority Notes Due 2019 and 8.500% Junior Secured Priority Notes Due 2022 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt				(16,500,000)
Fees Paid to Third Parties [Member] | Secured debt [Member] | 6.000% Senior Secured Priority Notes Due 2019 and 8.500% Junior Secured Priority Notes Due 2022 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt				(1,600,000)
Unamortized Debt Issuance Costs [Member] | 8.875% senior second lien notes, due 2018 and Term Loan Facility due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt				(5,800,000)
Unamortized Debt Issuance Costs [Member] | Term Loan B and Revolving Credit Facility Due 2014 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(2,100,000)
Unamortized Debt Issuance Costs [Member] | Long-term debt [Member] | Term loan facility due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(500,000)
Unamortized Debt Issuance Costs [Member] | Senior subordinated notes [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt			(3,200,000)
Unamortized Debt Issuance Costs [Member] | Unsecured debt [Member] | 15% unsecured term loan due 2017 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(2,200,000)		(600,000)
2012 Extinguishments [Member] | Senior subordinated notes [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt			(14,900,000)
Fees Paid to Consenting Lenders [Member] | Term Loan B and Revolving Credit Facility Due 2014 [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt		(4,100,000)
Fees Paid to Consenting Lenders [Member] | Senior subordinated notes [Member]
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt			$ (11,700,000)