Amounts Reclassified Out of Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 28, 2013		Dec. 29, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance beginning	$ (47,353)
Other comprehensive income before reclassifications	(166)
Amounts reclassified from accumulated other comprehensive income	1,308
Other comprehensive income	1,142		1,906
Balance ending	(46,211)
Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance beginning	(2,428)
Other comprehensive income before reclassifications	(166)
Amounts reclassified from accumulated other comprehensive income	353	[1]
Other comprehensive income	187
Balance ending	(2,241)
Defined Benefit Pension Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance beginning	(49,987)
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive income	1,123	[2]
Other comprehensive income	1,123
Balance ending	(48,864)
Other Post-Retirement Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance beginning	5,062
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive income	(168)	[2]
Other comprehensive income	(168)
Balance ending	$ 4,894

[1] Reclassification of realized losses on cash flow hedges are recognized in interest expense.

[2] These amounts are included in the computation of net periodic benefit cost. See Note 12, “Pension Plan and Other Postretirement Benefits”.