Derivative Instruments (Gains or Losses Recognized on Interest Rate Swap Derivative Instrument) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Oct. 01, 2017
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCI	$ (23,625)	$ 18,769	$ 19,768
Loss reclassified from accumulated OCI into net earnings	24,328	3,455	5,070
Interest rate swaps | Derivatives designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCI	(23,625)	18,769	19,768
Interest rate swaps | Interest expense, net | Derivatives designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Loss reclassified from accumulated OCI into net earnings	$ 24,328	$ 3,455	$ 5,070