Other Comprehensive Income (Details) - Reclassification out of Accumulated Other Comprehensive Income - Accumulated Defined Benefit Plans Adjustment - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2016	Mar. 27, 2015	Apr. 01, 2016	Mar. 27, 2015
Amortization of Defined Benefit Items:
Actuarial losses	$ (4,307)	$ (5,191)	$ (8,768)	$ (10,602)
Prior service cost	59	23	120	47
Total Before Income Tax	(4,248)	(5,168)	(8,648)	(10,555)
Income Tax Benefit	1,015	1,454	2,061	2,962
Total reclassifications, after-tax	$ (3,233)	$ (3,714)	$ (6,587)	$ (7,593)