Employee Benefit Plans (Net Periodic Benefit Cost For Defined Benefit Retirement Plan) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Employee Benefit Plans [Abstract]
Service cost	$ 412	$ 481	$ 349
Interest cost	835	795	784
Expected return on plan assets	(660)	(704)	(748)
Net amortization and deferral	77	152	16
Net periodic benefit cost	$ 664	$ 724	$ 401