Derivative Instruments (Gains Or Losses Recognized On Interest Rate Swap Derivative Instrument) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ (1,890)	$ (110)	$ (1,055)
Cash flow hedges, Net loss reclassified to earnings	(1,291)	(1,353)	(1,304)
Interest Rate Swaps [Member] | Derivatives Designated As Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(1,890)	(110)	(1,055)
Interest Rate Swaps [Member] | Interest Expense, Net [Member] | Derivatives Designated As Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, Net loss reclassified to earnings	$ (1,291)	$ (1,353)	$ (1,304)