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Pension, Postretirement, and Postemployement Obligations (Details) (USD $)
 3 Months Ended 12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Sep. 28, 2014
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year     $ 1,400,000
Pension Plans, Defined Benefit [Member]
      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Defined Benefit Plan, Service Cost 39,000 54,000  
Defined Benefit Plan, Interest Cost 1,999,000 1,882,000  
Defined Benefit Plan, Expected Return on Plan Assets 2,483,000 2,459,000  
Defined Benefit Plan, Amortization of Net Gains (Losses) 106,000 572,000  
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit) 34,000 34,000  
Defined Benefit Plan, Net Periodic Benefit Cost (373,000) 15,000  
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 149 182  
Defined Benefit Plan, Interest Cost 228 281  
Defined Benefit Plan, Expected Return on Plan Assets (371) (368)  
Defined Benefit Plan, Amortization of Net Gains (Losses) (455) (331)  
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit) (365) (365)  
Defined Benefit Plan, Net Periodic Benefit Cost $ (814) $ (601)