Accumulated Other Comprehensive Income (Loss) (Reclassifications Out of AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 30, 2016	Jan. 01, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	$ 4,101	$ (15)
Net income (loss)	4,056	(534)
Unamortized Loss On Defined Benefit Pension Plans [Member] | Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Sales / Operating Expense	142	155
Income tax expense	(54)	(59)
Net income (loss)	$ 88	$ 96