Pension, Postretirement, and Postemployement Obligations (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 24, 2012	Jun. 30, 2013	Jun. 24, 2012
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Service Cost	$ 54,000	$ 7,000	$ 162,000	$ 21,000
Defined Benefit Plan, Interest Cost	1,882,000	1,994,000	5,646,000	5,982,000
Defined Benefit Plan, Expected Return on Plan Assets	(2,459,000)	(2,223,000)	(7,377,000)	(6,669,000)
Defined Benefit Plan, Amortization of Net Gains (Losses)	572,000	593,000	1,716,000	1,779,000
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)	(34,000)	(34,000)	(102,000)	(102,000)
Defined Benefit Plan, Net Periodic Benefit Cost	15,000	337,000	45,000	1,011,000
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		0
Defined Benefit Plan, Service Cost	182	182	546,000	546
Defined Benefit Plan, Interest Cost	281	277	843,000	831
Defined Benefit Plan, Expected Return on Plan Assets	(368)	(532)	(1,104,000)	(1,596)
Defined Benefit Plan, Amortization of Net Gains (Losses)	(331)	(613)	(993,000)	(1,839)
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)	(365)	(365)	(1,095,000)	(1,095)
Defined Benefit Plan, Net Periodic Benefit Cost	$ (601)	$ (1,051)	$ (1,803,000)	$ (3,153)