Summary Of Refranchisings, Franchisee Development And Acquisitions (Number Of Restaurants Sold And Developed By Franchisees And Related Gains And Fees Recognized) (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Jul. 07, 2019 USD ($) restaurant	Jul. 08, 2018 USD ($) restaurant	Jul. 07, 2019 USD ($) restaurant		Jul. 08, 2018 USD ($) restaurant
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Restaurants sold to franchisees | restaurant		0	42	0		127
New restaurants opened by franchisees | restaurant		5	0	16		8
Cash (1)	[1]	$ 0	$ 6,822			$ 23,666
Total Proceeds from the Sale of Company-Operated Restaurants		0	39,864	$ 133	[1]	88,214
Net assets sold (primarily property and equipment)		0	(6,745)	0		(19,891)
Lease commitment charges		0	0	0		(863)
Goodwill related to the sale of company-operated restaurants		0	(566)	(2)		(4,526)
Other (2)	[2]	0	(3,877)	88		(19,846)
Gains on the sale of company-operated restaurants		0	28,676	219		43,088
Additional proceeds from the sale of a company-operated restaurant				100		1,300
Disposal Group Not Discontinued Operation Other Gain Loss On Disposal related to PY						8,800
Notes Receivable [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Notes receivable		$ 0	33,042	$ 0		64,548
Remodel Credit [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Gains on the sale of company-operated restaurants			$ 2,900			$ 8,100

[1] The year-to-date amounts in 2019 and 2018 include additional proceeds of $0.1 million and $1.3 million, respectively, related to restaurants sold in prior years.

[2] Amounts in 2018 are primarily related to an $8.8 million reduction of gains related to the modification of certain 2017 refranchising transactions. The quarter and year-to-date amounts in 2018 also include $2.9 million and $8.1 million, respectively, of costs related to franchise remodel incentives.