Derivative Instruments (Gains Or Losses Recognized On Interest Rate Swap Derivative Instruments) (Details) - Interest Rate Swaps [Member] - Derivatives Designated As Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 10, 2016	Apr. 12, 2015	Apr. 10, 2016	Apr. 12, 2015
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCI	$ (8,746)	$ 86	$ (20,183)	$ (6,672)
Interest Expense, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss reclassified from accumulated OCI into net earnings	$ 876	$ 468	$ 2,320	$ 1,095