Other Comprehensive Income (Details) - Reclassification out of Accumulated Other Comprehensive Income - Accumulated Defined Benefit Plans Adjustment - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2016	Oct. 02, 2015	Sep. 26, 2014
Amortization of Defined Benefit Items:
Actuarial losses	$ (12,880)	$ (21,153)	$ (19,601)
Prior service cost	260	96	28
Total Before Income Tax	(12,620)	(21,057)	(19,573)
Income Tax Benefit	2,963	4,727	4,385
Total reclassifications after-tax	$ (9,657)	$ (16,330)	$ (15,188)

Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans.

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