CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jan. 18, 2026	Sep. 28, 2025
Current assets:
Cash	$ 71,973	$ 45,766
Restricted cash	27,398	30,282
Accounts and other receivables, net	92,437	73,744
Inventories	2,771	2,346
Prepaid expenses	12,648	13,604
Current assets held for sale	16,430	46,042
Other current assets	8,561	8,588
Total current assets	232,218	220,372
Property and equipment:
Property and equipment, at cost	1,145,008	1,150,490
Less accumulated depreciation and amortization	(808,559)	(806,873)
Property and equipment, net	336,449	343,617
Other assets:
Operating lease right-of-use assets	1,000,680	1,005,024
Goodwill	136,026	136,026
Deferred tax assets	62,020	61,501
Non-current assets held for sale	0	574,967
Other assets, net	254,234	251,914
Total other assets	1,452,960	2,029,432
Total assets	2,021,627	2,593,421
Current liabilities:
Current maturities of long-term debt	28,270	29,458
Current operating lease liabilities	136,668	138,199
Accounts payable	45,278	56,349
Accrued liabilities	141,810	142,478
Current liabilities held for sale	0	64,139
Total current liabilities	352,026	430,623
Long-term liabilities:
Long-term debt, net of current maturities	1,564,253	1,674,235
Long-term operating lease liabilities, net of current portion	900,779	907,910
Non-current liabilities held for sale	0	377,445
Other long-term liabilities	140,607	141,479
Total long-term liabilities	2,605,639	3,101,069
Stockholders’ deficit:
Preferred stock $0.01 par value, 15,000,000 shares authorized, none issued	0	0
Common stock $0.01 par value, 175,000,000 shares authorized, 83,147,600 and 83,012,784 issued and outstanding, respectively	831	830
Capital in excess of par value	546,336	542,177
Retained earnings	1,766,747	1,769,205
Accumulated other comprehensive loss	(49,327)	(49,858)
Treasury stock, at cost, 64,120,270 and 64,120,270 shares, respectively	(3,200,625)	(3,200,625)
Total stockholders’ deficit	(936,038)	(938,271)
Total liabilities and stockholders' equity	$ 2,021,627	$ 2,593,421

Liabilities, Other than Long-term Debt and Operating Lease Liabilities, Noncurrent

No definition available.

Name:	jack_LiabilitiesOtherThanLongTermDebtAndOperatingLeaseLiabilitiesNoncurrent
Namespace Prefix:	jack_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).