Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2022	Oct. 03, 2021	Sep. 27, 2020
Cash flows from operating activities:
Net earnings	$ 115,781	$ 165,755	$ 89,764
Earnings from discontinued operations	0	0	370
Earnings from continuing operations	115,781	165,755	89,394
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	56,100	46,500	52,798
Amortization of franchise tenant improvement allowances and incentives	4,446	3,450	3,028
Amortization of debt issuance costs	5,496	5,595	5,628
Loss on extinguishment of debt	7,700	0	0
Tax deficiency (excess tax benefits) from share-based compensation arrangements	123	(1,160)	(449)
Deferred income taxes	7,857	8,008	5,162
Share-based compensation expense	7,122	4,048	4,394
Pension and postretirement expense	303	881	41,720
Losses (gains) on cash surrender value of company-owned life insurance	12,668	(12,753)	(4,262)
Gains on the sale of company-operated restaurants	(3,878)	(4,203)	(3,261)
Gains on the disposition of property and equipment	(30,533)	(6,888)	(9,768)
Impairment charges and other	8,219	2,889	322
Changes in assets and liabilities, excluding acquisitions and dispositions:
Accounts and other receivables	(18,143)	5,072	(27,865)
Inventories	304	(269)	41
Prepaid expenses and other current assets	(3,275)	(2,766)	(2,780)
Operating lease right-of-use assets and lease liabilities	2,593	(24,784)	490
Accounts payable	16,243	(3,091)	2,018
Accrued liabilities	(9,081)	28,990	4,222
Pension and postretirement contributions	(6,690)	(6,084)	(6,243)
Franchise tenant improvement allowance and incentive disbursements	(2,989)	(8,568)	(10,239)
Other	(7,484)	500	(825)
Cash flows provided by operating activities	162,882	201,122	143,525
Cash flows from investing activities:
Purchases of property and equipment	(46,475)	(41,008)	(19,528)
Proceeds from the sale and leaseback of assets	10,768	3,884	19,828
Acquisition of Del Taco, net of cash acquired	(580,793)	0	0
Proceeds from the sale of company-operated restaurants	(6,391)	(1,827)	(3,395)
Proceeds from the sale of property and equipment	31,161	11,742	22,774
Other	360	2,626	2,654
Cash flows (used in) provided by investing activities	(578,588)	(20,929)	29,123
Cash flows from financing activities:
Borrowings on revolving credit facilities	68,000	0	114,376
Repayments of borrowings on revolving credit facilities	(18,000)	(107,875)	(6,500)
Proceeds from issuance of debt	1,100,000	0	0
Principal repayments on debt	(588,064)	(829)	(10,536)
Debt issuance costs	(20,599)	0	(216)
Dividends paid on common stock	(36,987)	(37,322)	(27,538)
Proceeds from issuance of common stock	51	6,647	4,647
Repurchases of common stock	(25,000)	(200,000)	(155,576)
Payroll tax payments for equity award issuances	(1,223)	(4,166)	(5,946)
Cash flows provided by (used in) financing activities	478,178	(343,545)	(87,289)
Net increase (decrease) in cash and restricted cash	62,472	(163,352)	85,359
Cash and restricted cash at beginning of year	73,568	236,920	151,561
Cash and restricted cash at end of year	$ 136,040	$ 73,568	$ 236,920