Pension, Postretirement, and Postemployement Obligations (Details) (USD $)	3 Months Ended		12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Sep. 29, 2013
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Contributions by Employer			$ 2,733,000
Defined Benefit Plan, Service Cost	54,000	7,000
Defined Benefit Plan, Interest Cost	1,882,000	1,994,000
Defined Benefit Plan, Expected Return on Plan Assets	(2,459,000)	(2,223,000)
Defined Benefit Plan, Amortization of Net Gains (Losses)	(572,000)	(593,000)
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)	(34,000)
Defined Benefit Plan, Net Periodic Benefit Cost	15,000	337,000
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	0
Defined Benefit Plan, Service Cost	182,000	182
Defined Benefit Plan, Interest Cost	281,000	277
Defined Benefit Plan, Expected Return on Plan Assets	(368,000)	(532)
Defined Benefit Plan, Amortization of Net Gains (Losses)	(331,000)	(613)
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)	(365,000)	(365)
Defined Benefit Plan, Net Periodic Benefit Cost	$ (601,000)	$ (1,051)