Supplemental Consolidated Balance Sheet Information (Details) - USD ($) $ in Thousands	Jan. 23, 2022	Oct. 03, 2021
Balance Sheet Related Disclosures [Abstract]
Trade	$ 57,250	$ 75,273
Notes receivable, current portion	1,472	1,467
Income tax receivable	1,043	1,157
Other	2,783	2,730
Allowance for doubtful accounts	(7,328)	(6,292)
Accounts and other receivables, net	55,220	74,335
Company-owned life insurance policies	122,987	123,566
Deferred rent receivable	45,519	46,234
Franchise tenant improvement allowance	33,340	34,124
Notes receivable, less current portion	4,741	4,544
Other	21,953	15,970
Other assets, net	228,540	224,438
Payroll and related taxes	25,186	34,649
Insurance	21,353	21,218
Sales and property taxes	10,225	23,174
Deferred rent income	4,023	17,892
Advertising	7,952	13,097
Deferred franchise fees	4,800	4,824
Other	30,911	33,563
Accrued liabilities	104,450	148,417
Defined benefit pension plans	68,931	70,354
Deferred franchise fees, Noncurrent	34,573	35,608
Other	46,513	50,380
Other long-term liabilities	$ 150,017	$ 156,342