Leases (As Lessor) (Details) - USD ($) $ in Thousands		12 Months Ended
		Oct. 01, 2017	Oct. 02, 2016	Sep. 27, 2015
Leases [Abstract]
Total rent income	[1]	$ 237,171	$ 238,375	$ 232,264
Contingent rentals		$ 33,168	$ 31,632	$ 28,348

[1] (1)Includes contingent rentals