Employee Benefit Plans (Net Periodic Benefit Cost For Defined Benefit Retirement Plan) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Compensation and Retirement Disclosure [Abstract]
Service cost	$ 971	$ 860	$ 800
Interest cost	608	634	833
Expected return on plan assets	(1,027)	(1,009)	(1,024)
Net amortization and deferral	584	501	464
Special termination benefits	0	0	25
Net periodic benefit cost	$ 1,136	$ 986	$ 1,098