$JACK
JACK IN THE BOX INC Stock $jack

$jack Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000080788221000016 Filed on November 23, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2021
Revenue	$278.5M	$269.5M	$1.144B
YoY Change		11.22%	11.96%
Cost Of Revenue	$115.0M	$106.3M	$455.4M
YoY Change		72.87%	13.06%
Gross Profit	$163.4M	$163.2M	$688.3M
YoY Change		-9.75%	11.24%
Gross Profit Margin	58.7%	60.55%	60.18%
Selling, General & Admin	$90.05M	$21.80M	$82.73M
YoY Change		59.33%	2.34%
% of Gross Profit	55.1%	13.36%	12.02%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$10.84M	$10.39M	$46.50M
YoY Change		-14.43%	-11.93%
% of Gross Profit	6.63%	6.37%	6.76%
Operating Expenses	$101.1M	$21.80M	$82.73M
YoY Change		59.33%	2.34%
Operating Profit	$62.32M	$67.38M	$289.9M
YoY Change		9.05%	25.74%
Interest Expense	-$16.34M	-$15.16M	-$67.46M
YoY Change		-3.45%	1.14%
% of Operating Profit	-26.22%	-22.5%	-23.27%
Other Income/Expense, Net	-$203.0K	-$204.0K	-$881.0K
YoY Change		-85.43%	-64.76%
Pretax Income	$52.21M	$52.02M	$221.6M
YoY Change		16.61%	81.47%
Income Tax	$13.28M	$11.99M	$55.85M
% Of Pretax Income	25.43%	23.05%	25.2%
Net Earnings	$38.93M	$40.03M	$165.8M
YoY Change		22.95%	84.66%
Net Earnings / Revenue	13.98%	14.86%	14.49%
Basic Earnings Per Share		$1.80	$7.40
Diluted Earnings Per Share	$1.800M	$1.79	$7.37
COMMON SHARES
Basic Shares Outstanding	21.01M shares	22.26M shares	22.40M shares
Diluted Shares Outstanding		22.33M shares	22.48M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2021
SHORT-TERM ASSETS
Cash & Short-Term Investments	$55.35M	$84.22M	$55.35M
YoY Change		-47.2%	-72.29%
Cash & Equivalents	$73.57M	$102.4M
Short-Term Investments
Other Short-Term Assets	$4.346M	$4.123M	$36.94M
YoY Change		10.71%	-33.68%
Inventory	$2.335M	$2.120M	$2.335M
Prepaid Expenses	$12.68M	$8.990M
Receivables	$68.98M	$63.28M	$68.98M
Other Receivables	$5.354M	$4.998M	$5.354M
Total Short-Term Assets	$169.0M	$189.2M	$169.0M
YoY Change		-43.62%	-49.65%
LONG-TERM ASSETS
Property, Plant & Equipment	$322.9M	$331.4M	$1.257B
YoY Change		-1.35%	1.33%
Goodwill	$47.77M	$47.16M
YoY Change		0.0%
Intangibles	$470.0K	$256.0K
YoY Change		-14.67%
Long-Term Investments
YoY Change
Other Assets	$1.258B	$1.267B	$271.4M
YoY Change		2.58%	-4.06%
Total Long-Term Assets	$1.581B	$1.598B	$1.581B
YoY Change		1.74%	0.65%
TOTAL ASSETS
Total Short-Term Assets	$169.0M	$189.2M	$169.0M
Total Long-Term Assets	$1.581B	$1.598B	$1.581B
Total Assets	$1.750B	$1.787B	$1.750B
YoY Change		-6.24%	-8.2%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$29.12M	$34.56M	$29.12M
YoY Change		11.1%	-6.37%
Accrued Expenses	$148.4M	$137.0M	$281.2M
YoY Change		5.86%	-8.83%
Deferred Revenue	$17.89M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$894.0K	$858.0K	$894.0K
YoY Change		-93.78%	11.75%
Total Short-Term Liabilities	$329.1M	$325.7M	$329.1M
YoY Change		-4.32%	-3.33%
LONG-TERM LIABILITIES
Long-Term Debt	$1.273B	$1.272B	$1.273B
YoY Change		-6.87%	-7.52%
Other Long-Term Liabilities	$49.42M	$54.43M	$965.5M
YoY Change		15.61%	-1.74%
Total Long-Term Liabilities	$2.239B	$2.273B	$2.239B
YoY Change		-3.65%	-5.11%
TOTAL LIABILITIES
Total Short-Term Liabilities	$329.1M	$325.7M	$329.1M
Total Long-Term Liabilities	$2.239B	$2.273B	$2.239B
Total Liabilities	$2.568B	$2.599B	$2.568B
YoY Change		-3.73%	-4.88%
SHAREHOLDERS EQUITY
Retained Earnings	$1.764B	$1.735B
YoY Change		6.04%
Common Stock	$501.3M	$500.5M
YoY Change		2.07%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.009B	$2.939B
YoY Change		4.63%
Treasury Stock Shares	61.52M shares	60.85M shares
Shareholders Equity	-$817.9M	-$811.6M	-$817.9M
YoY Change
Total Liabilities & Shareholders Equity	$1.750B	$1.787B	$1.750B
YoY Change		-6.24%	-8.2%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2021
OPERATING ACTIVITIES
Net Income	$38.93M	$40.03M	$165.8M
YoY Change		22.95%	84.66%
Depreciation, Depletion And Amortization	$10.84M	$10.39M	$46.50M
YoY Change		-14.43%	-11.93%
Cash From Operating Activities	$51.24M	$71.38M	$201.1M
YoY Change		128.05%	40.13%
INVESTING ACTIVITIES
Capital Expenditures	-$5.851M	-$12.26M	$41.01M
YoY Change		214.28%	110.0%
Acquisitions			$0.00
YoY Change
Other Investing Activities	$10.96M	$1.917M	-$2.626M
YoY Change		-50.85%	-1.06%
Cash From Investing Activities	$5.111M	-$10.34M	-$20.93M
YoY Change		10240.0%	-171.86%
FINANCING ACTIVITIES
Cash Dividend Paid			$37.32M
YoY Change			35.53%
Common Stock Issuance & Retirement, Net			$193.4M
YoY Change			28.11%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-85.23M	-67.32M	-$343.5M
YoY Change		1823.43%	293.57%
NET CHANGE
Cash From Operating Activities	51.24M	71.38M	$201.1M
Cash From Investing Activities	5.111M	-10.34M	-$20.93M
Cash From Financing Activities	-85.23M	-67.32M	-$343.5M
Net Change In Cash	-28.87M	-6.279M	-$163.4M
YoY Change		-122.67%	-291.37%
FREE CASH FLOW
Cash From Operating Activities	$51.24M	$71.38M	$201.1M
Capital Expenditures	-$5.851M	-$12.26M	$41.01M
Free Cash Flow	$57.09M	$83.64M	$160.1M
YoY Change		137.61%	29.13%

Facts In Submission

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CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-10-03
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--10-03
CY2021	dei	Entity File Number EntityFileNumber	1-9390
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity Registrant Name EntityRegistrantName	JACK IN THE BOX INC.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-2698708
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	9357 Spectrum Center Blvd.
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	San Diego
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	92123
CY2021	dei	City Area Code CityAreaCode	858
CY2021	dei	Local Phone Number LocalPhoneNumber	571-2121
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value
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CY2021	dei	Security Exchange Name SecurityExchangeName	NASDAQ
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CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	202223000	USD
CY2021	us-gaap	Pension Expense PensionExpense	881000	USD
CY2020	us-gaap	Pension Expense PensionExpense	41720000	USD
CY2019	us-gaap	Pension Expense PensionExpense	1484000	USD
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-67458000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-66743000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-84967000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	221607000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	122121000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	115772000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55852000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32727000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24025000	USD
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	165755000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	89394000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	91747000	USD
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	370000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	2690000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	165755000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	89764000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	94437000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	7.40
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.87
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.55
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.10
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.40
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.88
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.66
CY2021	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	7.37
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.84
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.52
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.10
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.37
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.86
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.62
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.68
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.20
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.60
CY2021	us-gaap	Net Income Loss NetIncomeLoss	165755000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	89764000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	94437000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	44134000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-4875000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-62377000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	4931000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	44616000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	3917000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-49065000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-39741000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	58460000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-12714000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-10340000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	15176000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-36351000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-29401000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	43284000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-23625000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-24328000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	703000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	3165000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-2462000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	36351000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	29401000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-45746000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	202106000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	119165000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	48691000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	165755000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	89764000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	94437000	USD
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	370000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	2690000	USD
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	165755000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	89394000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	91747000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	46500000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	52798000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	55181000	USD
CY2021	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	3450000	USD
CY2020	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	3028000	USD
CY2019	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	1983000	USD
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	5595000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	5628000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3121000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2757000	USD
CY2021	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0	USD
CY2020	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0	USD
CY2019	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-23551000	USD
CY2021	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	1160000	USD
CY2020	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	449000	USD
CY2019	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	113000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8008000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5162000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4100000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	4048000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	4394000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	8074000	USD
CY2021	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	881000	USD
CY2020	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	41720000	USD
CY2019	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	1484000	USD
CY2021	jack	Losses Gains On Cash Surrender Value Of Company Owned Life Insurance LossesGainsOnCashSurrenderValueOfCompanyOwnedLifeInsurance	12753000	USD
CY2020	jack	Losses Gains On Cash Surrender Value Of Company Owned Life Insurance LossesGainsOnCashSurrenderValueOfCompanyOwnedLifeInsurance	4262000	USD
CY2019	jack	Losses Gains On Cash Surrender Value Of Company Owned Life Insurance LossesGainsOnCashSurrenderValueOfCompanyOwnedLifeInsurance	4475000	USD
CY2021	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	4203000	USD
CY2020	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	3261000	USD
CY2019	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	1366000	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6888000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	9768000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6244000	USD
CY2021	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	2889000	USD
CY2020	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	322000	USD
CY2019	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	5414000	USD
CY2021	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-5072000	USD
CY2020	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	27865000	USD
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-4131000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	269000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-41000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-82000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2766000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2780000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-8728000	USD
CY2021	jack	Operating Lease Right Of Use Assets And Lease Liabilities OperatingLeaseRightOfUseAssetsAndLeaseLiabilities	24784000	USD
CY2020	jack	Operating Lease Right Of Use Assets And Lease Liabilities OperatingLeaseRightOfUseAssetsAndLeaseLiabilities	-490000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3091000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2018000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	6537000	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	28990000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	4222000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-7505000	USD
CY2021	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	6084000	USD
CY2020	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	6243000	USD
CY2019	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	6194000	USD
CY2021	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	8568000	USD
CY2020	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	10239000	USD
CY2019	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	13233000	USD
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	500000	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-825000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-9355000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	201122000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	143525000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	168405000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	41008000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	19528000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	47649000	USD
CY2021	jack	Proceeds From Assets Held For Sale And Leaseback ProceedsFromAssetsHeldForSaleAndLeaseback	3884000	USD
CY2020	jack	Proceeds From Assets Held For Sale And Leaseback ProceedsFromAssetsHeldForSaleAndLeaseback	19828000	USD
CY2019	jack	Proceeds From Assets Held For Sale And Leaseback ProceedsFromAssetsHeldForSaleAndLeaseback	4447000	USD
CY2021	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	-1827000	USD
CY2020	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	-3395000	USD
CY2019	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	-1280000	USD
CY2021	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	0	USD
CY2020	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	0	USD
CY2019	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	16759000	USD
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	11742000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	22774000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	9714000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2626000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2654000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1630000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-20929000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	29123000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-13819000	USD
CY2021	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	0	USD
CY2020	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	114376000	USD
CY2019	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	229798000	USD
CY2021	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	107875000	USD
CY2020	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	6500000	USD
CY2019	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	960220000	USD
CY2021	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	1300000000	USD
CY2021	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	829000	USD
CY2020	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	10536000	USD
CY2019	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	337150000	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	216000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	34122000	USD
CY2021	jack	Paymentsto Terminate Derivative Contract PaymentstoTerminateDerivativeContract	0	USD
CY2020	jack	Paymentsto Terminate Derivative Contract PaymentstoTerminateDerivativeContract	0	USD
CY2019	jack	Paymentsto Terminate Derivative Contract PaymentstoTerminateDerivativeContract	23551000	USD
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	37322000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	27538000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	41179000	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	6647000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4647000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1231000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	200000000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	155576000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	137654000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4166000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5946000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2883000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-343545000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-87289000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5730000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-163352000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	85359000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	148856000	USD
CY2020	us-gaap	Dividends Dividends	27563000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	236920000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	151561000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	2705000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	73568000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	236920000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	151561000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	-591699000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1232000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8074000	USD
CY2019	us-gaap	Dividends Dividends	41235000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	125317000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	94437000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-45746000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	-737584000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4647000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4394000	USD
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	153550000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	89764000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	29401000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	-793361000	USD
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6647000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4048000	USD
CY2021	us-gaap	Dividends Dividends	37322000	USD
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	200000000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	165755000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	36351000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	-817882000	USD
CY2021Q4	us-gaap	Number Of Restaurants NumberOfRestaurants	2218	restaurant
CY2020Q3	us-gaap	Number Of Restaurants NumberOfRestaurants	2241	restaurant
CY2019Q3	us-gaap	Number Of Restaurants NumberOfRestaurants	2243	restaurant
CY2021	us-gaap	Fiscal Period FiscalPeriod	Fiscal year — Our fiscal year is 52 or 53 weeks ending the Sunday closest to September 30. Comparisons throughout these notes to the consolidated financial statements refer to the 53-week period ended October 3, 2021 for the fiscal year 2021 and 52-week periods ended September 27, 2020 and September 29, 2019 for fiscal years 2020 and 2019, respectively
CY2019	jack	Fiscal Year FiscalYear	52
CY2020	jack	Fiscal Year FiscalYear	52
CY2021	jack	Fiscal Year FiscalYear	53
CY2019	jack	Fiscal Year FiscalYear	52
CY2020	jack	Fiscal Year FiscalYear	52
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of estimates</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> — In preparing the consolidated financial statements in conformity with U.S. GAAP, management is required to make certain assumptions and estimates that affect reported amounts of assets, liabilities, revenues, expenses, and the disclosure of contingencies. In making these assumptions and estimates, management may from time to time seek advice and consider information provided by actuaries and other experts in a particular area. Actual amounts could differ materially from these estimates.</span>
CY2021Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	18200000	USD
CY2020Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	37300000	USD
CY2021	us-gaap	Depreciation Depreciation	46500000	USD
CY2020	us-gaap	Depreciation Depreciation	52800000	USD
CY2019	us-gaap	Depreciation Depreciation	55200000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	500000	USD
CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	300000	USD
CY2021	jack	Contract With Customer Liability Unredeemed Gift Cards Revenue Recognized ContractWithCustomerLiabilityUnredeemedGiftCardsRevenueRecognized	600000	USD
CY2020	jack	Contract With Customer Liability Unredeemed Gift Cards Revenue Recognized ContractWithCustomerLiabilityUnredeemedGiftCardsRevenueRecognized	500000	USD
CY2019	jack	Contract With Customer Liability Unredeemed Gift Cards Revenue Recognized ContractWithCustomerLiabilityUnredeemedGiftCardsRevenueRecognized	500000	USD
CY2021Q4	jack	Generalliabilityandworkerscompestimatedclaimstobepaidbyinsuranceproviders Generalliabilityandworkerscompestimatedclaimstobepaidbyinsuranceproviders	1800000	USD
CY2020Q3	jack	Generalliabilityandworkerscompestimatedclaimstobepaidbyinsuranceproviders Generalliabilityandworkerscompestimatedclaimstobepaidbyinsuranceproviders	1900000	USD
CY2021	jack	Contractual Contributions Towards Advertising Costs Percentage Of Sales ContractualContributionsTowardsAdvertisingCostsPercentageOfSales	0.050
CY2020Q1	jack	Contractual Contributions Towards Advertising Costs Percentage Of Sales ContractualContributionsTowardsAdvertisingCostsPercentageOfSales	0.040
CY2020Q1	jack	Collection Period For Marketing Fees CollectionPeriodForMarketingFees	P24M
CY2020Q4	jack	Collection Period For Marketing Fees CollectionPeriodForMarketingFees	P3M
CY2021Q4	jack	Uncollected Postponed Marketing Fees UncollectedPostponedMarketingFees	4300000	USD
CY2021Q4	us-gaap	Accrued Advertising Current And Noncurrent AccruedAdvertisingCurrentAndNoncurrent	9500000	USD
CY2020Q3	us-gaap	Accrued Advertising Current And Noncurrent AccruedAdvertisingCurrentAndNoncurrent	8300000	USD
CY2021	jack	Incremental Corporate Advertising Contributions IncrementalCorporateAdvertisingContributions	0	USD
CY2019	jack	Incremental Corporate Advertising Contributions IncrementalCorporateAdvertisingContributions	2000000	USD
CY2021	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	19600000	USD
CY2020	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	17100000	USD
CY2019	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	19000000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5541000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	770000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	19000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6292000	USD
CY2021	jack	Franchise Fees Current Standard FranchiseFeesCurrentStandard	50000	USD
CY2021	jack	Royalty And Marketing Fee Percent Of Gross Sales RoyaltyAndMarketingFeePercentOfGrossSales	0.05
CY2021	us-gaap	Revenues Revenues	1143670000	USD
CY2020	us-gaap	Revenues Revenues	1021506000	USD
CY2019	us-gaap	Revenues Revenues	950107000	USD
CY2020Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	43541000	USD
CY2019Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	46273000	USD
CY2018Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	50018000	USD
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	6014000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	5440000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	5173000	USD
CY2021	jack	Contractwith Customer Liability Additions ContractwithCustomerLiabilityAdditions	2905000	USD
CY2020	jack	Contractwith Customer Liability Additions ContractwithCustomerLiabilityAdditions	2708000	USD
CY2019	jack	Contractwith Customer Liability Additions ContractwithCustomerLiabilityAdditions	1428000	USD
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	40432000	USD
CY2020Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	43541000	USD
CY2019Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	46273000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	4842000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	4690000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	4502000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	4274000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	3953000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	18171000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	40432000	USD
CY2019	us-gaap	Significant Changes Franchises Sold SignificantChangesFranchisesSold	0	restaurant
CY2020	us-gaap	Significant Changes Franchises Sold SignificantChangesFranchisesSold	0	restaurant
CY2021	us-gaap	Significant Changes Franchises Sold SignificantChangesFranchisesSold	0	restaurant
CY2021	us-gaap	Significant Changes Franchises Purchased During Period SignificantChangesFranchisesPurchasedDuringPeriod	20	restaurant
CY2020	us-gaap	Significant Changes Franchises Purchased During Period SignificantChangesFranchisesPurchasedDuringPeriod	8	restaurant
CY2019	us-gaap	Significant Changes Franchises Purchased During Period SignificantChangesFranchisesPurchasedDuringPeriod	0	restaurant
CY2021	us-gaap	Significant Changes Franchises Purchased During Period SignificantChangesFranchisesPurchasedDuringPeriod	20	restaurant
CY2021	jack	Significant Changes Franchises Purchased During Period From Underperforming Franchisee SignificantChangesFranchisesPurchasedDuringPeriodFromUnderperformingFranchisee	16	restaurant
CY2021	jack	Significant Changes Franchises Purchased During Period Exercise Of First Right Of Refusal SignificantChangesFranchisesPurchasedDuringPeriodExerciseOfFirstRightOfRefusal	4	restaurant
CY2021	us-gaap	Significant Changes Franchises Purchased During Period SignificantChangesFranchisesPurchasedDuringPeriod	20	restaurant
CY2020	us-gaap	Significant Changes Franchises Purchased During Period SignificantChangesFranchisesPurchasedDuringPeriod	8	restaurant
CY2021	jack	Gain On Acquisition Of Franchise Operated Restaurant GainOnAcquisitionOfFranchiseOperatedRestaurant	340000	USD
CY2020	jack	Gain On Acquisition Of Franchise Operated Restaurant GainOnAcquisitionOfFranchiseOperatedRestaurant	0	USD
CY2021Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Obligations FairValueLiabilitiesMeasuredOnRecurringBasisObligations	18555000	USD
CY2020Q3	us-gaap	Fair Value Liabilities Measured On Recurring Basis Obligations FairValueLiabilitiesMeasuredOnRecurringBasisObligations	25071000	USD
CY2021Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2020Q3	us-gaap	Line Of Credit LineOfCredit	107876000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	2275000	USD
CY2020Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	2934000	USD
CY2021Q4	jack	Long Term Debt Gross And Lease Obligation LongTermDebtGrossAndLeaseObligation	1292526000	USD
CY2020Q3	jack	Long Term Debt Gross And Lease Obligation LongTermDebtGrossAndLeaseObligation	1401061000	USD
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	894000	USD
CY2020Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	818000	USD
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	18212000	USD
CY2020Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	23330000	USD
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1273420000	USD
CY2020Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1376913000	USD
CY2021Q4	jack	Long Term Debt And Lease Obligations Repayments Of Principal In Next Twelve Months LongTermDebtAndLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths	894000	USD
CY2021Q4	jack	Long Term Debt And Lease Obligations Maturities Repayments Of Principal In Year Two LongTermDebtAndLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo	571610000	USD
CY2021Q4	jack	Long Term Debt And Lease Obligations Maturities Repayments Of Principal In Year Three LongTermDebtAndLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree	372000	USD
CY2021Q4	jack	Long Term Debt And Lease Obligations Maturities Repayments Of Principal In Year Four LongTermDebtAndLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour	38000	USD
CY2021Q4	jack	Long Term Debt And Lease Obligations Maturities Repayments Of Principal In Year Five LongTermDebtAndLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive	272964000	USD
CY2021Q4	jack	Long Term Debt And Lease Obligations Maturities Repayments Of Principal After Year Five LongTermDebtAndLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive	446648000	USD
CY2021Q4	jack	Long Term Debt Gross And Lease Obligation LongTermDebtGrossAndLeaseObligation	1292526000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Term Of Contract LessorOperatingLeaseTermOfContract	P20Y
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	934066000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	904548000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1698000	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2333000	USD
CY2021Q4	jack	Right Of Use Asset RightOfUseAsset	935764000	USD
CY2020Q3	jack	Right Of Use Asset RightOfUseAsset	906881000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	150636000	USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	179000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	894000	USD
CY2020Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	818000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	809191000	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	776094000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1381000	USD
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	2116000	USD
CY2021Q4	jack	Lease Liabilities LeaseLiabilities	962102000	USD
CY2020Q3	jack	Lease Liabilities LeaseLiabilities	958028000	USD
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	807000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	767000	USD
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	89000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	110000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	194149000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	190461000	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	427000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	175000	USD
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	43498000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	40798000	USD
CY2021	us-gaap	Lease Cost LeaseCost	238970000	USD
CY2020	us-gaap	Lease Cost LeaseCost	232311000	USD
CY2021	jack	Variable Lease Cost Executory Costs VariableLeaseCostExecutoryCosts	38000000	USD
CY2020	jack	Variable Lease Cost Executory Costs VariableLeaseCostExecutoryCosts	37400000	USD
CY2019	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	184587000	USD
CY2019	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	2255000	USD
CY2019	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	186842000	USD
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y4M24D
CY2020Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y3M18D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y3M18D
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.036
CY2020Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.035
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.041
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.042
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	961000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	186717000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	944000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	161788000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	413000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	128816000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	50000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	122114000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	25000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	106582000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	27000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	460138000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	2420000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1166155000	USD
CY2021Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	145000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	206328000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	2275000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	959827000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	894000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	150636000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1381000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	809191000	USD
CY2021Q4	jack	Finance Lease Noncancellable Commitments FinanceLeaseNoncancellableCommitments	2400000	USD
CY2021Q4	jack	Operating Lease Noncancellable Commitments OperatingLeaseNoncancellableCommitments	1000000000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	5513000	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	4640000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1698000	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2333000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	218570000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	190303000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	89000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	110000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	829000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	785000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	186621000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	181532000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	184000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	132000	USD
CY2021	jack	Number Of Sale Leaseback Transactions During Period NumberOfSaleLeasebackTransactionsDuringPeriod	2	sale_leasebackTransaction
CY2020	jack	Number Of Sale Leaseback Transactions During Period NumberOfSaleLeasebackTransactionsDuringPeriod	2	sale_leasebackTransaction
	jack	Number Of Sale Leaseback Transactions During Period NumberOfSaleLeasebackTransactionsDuringPeriod	1	sale_leasebackTransaction
CY2020	jack	Notice Period For Termination Of Lease Without Penalty NoticePeriodForTerminationOfLeaseWithoutPenalty	P90D
CY2021	jack	Operating Lease Income Closed Restaurants And Other OperatingLeaseIncomeClosedRestaurantsAndOther	6027000	USD
CY2020	jack	Operating Lease Income Closed Restaurants And Other OperatingLeaseIncomeClosedRestaurantsAndOther	6370000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	238021000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	231342000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	205740000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	214526000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	199906000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	939239000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	2028774000	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6888000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	9768000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6244000	USD
CY2021	us-gaap	Business Exit Costs1 BusinessExitCosts1	1907000	USD
CY2020	us-gaap	Business Exit Costs1 BusinessExitCosts1	1872000	USD
CY2019	us-gaap	Business Exit Costs1 BusinessExitCosts1	8628000	USD
CY2021	jack	Accelerated Depreciation AcceleratedDepreciation	1592000	USD
CY2020	jack	Accelerated Depreciation AcceleratedDepreciation	235000	USD
CY2019	jack	Accelerated Depreciation AcceleratedDepreciation	1616000	USD
CY2021	us-gaap	Restructuring Costs RestructuringCosts	7000	USD
CY2020	us-gaap	Restructuring Costs RestructuringCosts	1168000	USD
CY2019	us-gaap	Restructuring Costs RestructuringCosts	8455000	USD
CY2021	jack	Impairment And Other Costs Net ImpairmentAndOtherCostsNet	-3382000	USD
CY2020	jack	Impairment And Other Costs Net ImpairmentAndOtherCostsNet	-6493000	USD
CY2019	jack	Impairment And Other Costs Net ImpairmentAndOtherCostsNet	12455000	USD
CY2018Q1	us-gaap	Discontinued Operation Period Of Continuing Involvement After Disposal DiscontinuedOperationPeriodOfContinuingInvolvementAfterDisposal	P12M
CY2018Q1	jack	Discontinued Operation Period Of Continuing Involvement After Disposal Number Of Extension Options DiscontinuedOperationPeriodOfContinuingInvolvementAfterDisposalNumberOfExtensionOptions	2	extnsion_option
CY2018Q1	jack	Discontinued Operation Period Of Continuing Involvement After Disposal Service Period Extension Option DiscontinuedOperationPeriodOfContinuingInvolvementAfterDisposalServicePeriodExtensionOption	P3M
CY2019	us-gaap	Other Nonrecurring Income OtherNonrecurringIncome	7000000	USD
CY2018Q3	us-gaap	Disposal Group Including Discontinued Operation Accrued Income Tax Payable DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable	2800000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14683000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	36051000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	19721000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	11793000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	7844000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5242000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	47844000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	27565000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	19925000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4440000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4625000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	3750000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	3568000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	537000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	350000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8008000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5162000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4100000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55852000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32727000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24025000	USD
CY2021	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2020	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	144000	USD
CY2019	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-2863000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.051
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.053
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.053
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.005
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.004
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.001
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.005
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.003
CY2021	jack	Effective Income Tax Rate Reconciliation Releaseof Federal Tax Liability Percent EffectiveIncomeTaxRateReconciliationReleaseofFederalTaxLiabilityPercent	0
CY2020	jack	Effective Income Tax Rate Reconciliation Releaseof Federal Tax Liability Percent EffectiveIncomeTaxRateReconciliationReleaseofFederalTaxLiabilityPercent	0
CY2019	jack	Effective Income Tax Rate Reconciliation Releaseof Federal Tax Liability Percent EffectiveIncomeTaxRateReconciliationReleaseofFederalTaxLiabilityPercent	0.006
CY2021	jack	Effective Income Tax Rate Reconciliation Adjustmentto State Tax Provision Percent EffectiveIncomeTaxRateReconciliationAdjustmenttoStateTaxProvisionPercent	-0.007
CY2020	jack	Effective Income Tax Rate Reconciliation Adjustmentto State Tax Provision Percent EffectiveIncomeTaxRateReconciliationAdjustmenttoStateTaxProvisionPercent	0
CY2019	jack	Effective Income Tax Rate Reconciliation Adjustmentto State Tax Provision Percent EffectiveIncomeTaxRateReconciliationAdjustmenttoStateTaxProvisionPercent	0.009
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.015
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.009
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.010
CY2021	jack	Effective Income Tax Rate Reconciliation Terminationof Interest Rate Swaps Percent EffectiveIncomeTaxRateReconciliationTerminationofInterestRateSwapsPercent	0
CY2020	jack	Effective Income Tax Rate Reconciliation Terminationof Interest Rate Swaps Percent EffectiveIncomeTaxRateReconciliationTerminationofInterestRateSwapsPercent	0
CY2019	jack	Effective Income Tax Rate Reconciliation Terminationof Interest Rate Swaps Percent EffectiveIncomeTaxRateReconciliationTerminationofInterestRateSwapsPercent	0.026
CY2021	jack	Effective Income Tax Rate Reconciliation Nondeductible Expense Officers Compensation Limitation Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOfficersCompensationLimitationPercent	0.005
CY2020	jack	Effective Income Tax Rate Reconciliation Nondeductible Expense Officers Compensation Limitation Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOfficersCompensationLimitationPercent	0.022
CY2019	jack	Effective Income Tax Rate Reconciliation Nondeductible Expense Officers Compensation Limitation Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOfficersCompensationLimitationPercent	0.011
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.001
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	0.011
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.252
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.268
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.208
CY2021Q4	jack	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	237509000	USD
CY2020Q3	jack	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	234926000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	28837000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	44436000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	12083000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	12921000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	6957000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	8895000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	5389000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	6500000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	4050000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	2440000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4039000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4143000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Bonuses DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses	3455000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Bonuses DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses	2585000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3129000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	4273000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences	710000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences	672000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3424000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2364000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	309582000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	324155000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1349000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2104000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	308233000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	322051000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	242038000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	235373000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	11349000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	11437000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1036000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1781000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2293000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1138000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	256716000	USD
CY2020Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	249729000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	51517000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	72322000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	16600000	USD
CY2021Q4	jack	Deferred Tax Assets Operating Loss Carryforwards State And Local Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocalNotSubjectToExpiration	12100000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1300000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2100000	USD
CY2021	jack	Number Of Defined Benefit Pension Plans Sponsored NumberOfDefinedBenefitPensionPlansSponsored	2	defined_benefit_plan
	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	122300000	USD
	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	38600000	USD
	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	600000	USD
CY2021	us-gaap	Defined Benefit Plan Assumptions Used In Calculations Narrative Description DefinedBenefitPlanAssumptionsUsedInCalculationsNarrativeDescription	30
CY2021	jack	Defined Benefit Plan Impact Of Decrease In Discount Rate On Earnings Before Income Taxes DefinedBenefitPlanImpactOfDecreaseInDiscountRateOnEarningsBeforeIncomeTaxes	100000	USD
CY2021	jack	Defined Benefit Plan Impact Of Decrease In Long Term Rate Of Return On Assets DefinedBenefitPlanImpactOfDecreaseInLongTermRateOfReturnOnAssets	900000	USD
CY2021	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	53000	USD
CY2021	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	46000	USD
CY2021	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	1604000	USD
CY2021	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	1405000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2021Q4	us-gaap	Defined Benefit Plan Plan Assets Target Allocation Percentage DefinedBenefitPlanPlanAssetsTargetAllocationPercentage	1
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	409708000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	365510000	USD
CY2021Q4	jack	Minimum Required Contribution For Retirement Plans MinimumRequiredContributionForRetirementPlans	0	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4048000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4394000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8074000	USD
CY2020	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	100000	USD
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1900000	shares
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	200000000	USD
CY2021Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	0	USD
CY2021	jack	Number Of Cash Dividends Declared NumberOfCashDividendsDeclared	4	restaurant
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	37600000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22402000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23125000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25823000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22478000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23269000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26068000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	29000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	318000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	186000	shares
CY2021	jack	Excluded From Diluted Weighted Average Shares Performance Conditions Not Satisfied ExcludedFromDilutedWeightedAverageSharesPerformanceConditionsNotSatisfied	25000	shares
CY2020	jack	Excluded From Diluted Weighted Average Shares Performance Conditions Not Satisfied ExcludedFromDilutedWeightedAverageSharesPerformanceConditionsNotSatisfied	14000	shares
CY2019	jack	Excluded From Diluted Weighted Average Shares Performance Conditions Not Satisfied ExcludedFromDilutedWeightedAverageSharesPerformanceConditionsNotSatisfied	65000	shares
CY2021Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	7500000	USD
CY2020Q3	us-gaap	Litigation Reserve Current LitigationReserveCurrent	3800000	USD
CY2021Q4	us-gaap	Contractual Obligation ContractualObligation	26700000	USD
CY2021	jack	Lessee Guaranteed Leases Remaining Term LesseeGuaranteedLeasesRemainingTerm	P16Y
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	48200000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	29360000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	14906000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	60413000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	68612000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	46227000	USD
CY2021	jack	Increasedecreaseindividendsaccruedorconvertedtostockequivalents Increasedecreaseindividendsaccruedorconvertedtostockequivalents	232000	USD
CY2020	jack	Increasedecreaseindividendsaccruedorconvertedtostockequivalents Increasedecreaseindividendsaccruedorconvertedtostockequivalents	117000	USD
CY2019	jack	Increasedecreaseindividendsaccruedorconvertedtostockequivalents Increasedecreaseindividendsaccruedorconvertedtostockequivalents	247000	USD
CY2021	us-gaap	Business Combination Consideration Transferred Other1 BusinessCombinationConsiderationTransferredOther1	1305000	USD
CY2020	us-gaap	Business Combination Consideration Transferred Other1 BusinessCombinationConsiderationTransferredOther1	859000	USD
CY2019	us-gaap	Business Combination Consideration Transferred Other1 BusinessCombinationConsiderationTransferredOther1	0	USD
CY2021	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	1755000	USD
CY2020	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	-2696000	USD
CY2019	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	-2117000	USD
CY2021	us-gaap	Increase Decrease In Payables Under Repurchase Agreements IncreaseDecreaseInPayablesUnderRepurchaseAgreements	0	USD
CY2020	us-gaap	Increase Decrease In Payables Under Repurchase Agreements IncreaseDecreaseInPayablesUnderRepurchaseAgreements	-2025000	USD
CY2019	us-gaap	Increase Decrease In Payables Under Repurchase Agreements IncreaseDecreaseInPayablesUnderRepurchaseAgreements	-12337000	USD
CY2021Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	75273000	USD
CY2020Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	77082000	USD
CY2021Q4	us-gaap	Notes And Loans Receivable Gross Current NotesAndLoansReceivableGrossCurrent	1467000	USD
CY2020Q3	us-gaap	Notes And Loans Receivable Gross Current NotesAndLoansReceivableGrossCurrent	1193000	USD
CY2021Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	1157000	USD
CY2020Q3	us-gaap	Income Tax Receivable IncomeTaxReceivable	1591000	USD
CY2021Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	2730000	USD
CY2020Q3	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	4092000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6292000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5541000	USD
CY2021Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	74335000	USD
CY2020Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	78417000	USD
CY2021Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	123566000	USD
CY2020Q3	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	113767000	USD
CY2021Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	46234000	USD
CY2020Q3	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	48604000	USD
CY2021Q4	jack	Franchise Tenant Improvement Allowance FranchiseTenantImprovementAllowance	34124000	USD
CY2020Q3	jack	Franchise Tenant Improvement Allowance FranchiseTenantImprovementAllowance	29437000	USD
CY2021Q4	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	4544000	USD
CY2020Q3	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	1851000	USD
CY2021Q4	us-gaap	Assets Noncurrent Other Than Noncurrent Investments And Property Plant And Equipment AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment	15970000	USD
CY2020Q3	us-gaap	Assets Noncurrent Other Than Noncurrent Investments And Property Plant And Equipment AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment	16964000	USD
CY2021Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	224438000	USD
CY2020Q3	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	210623000	USD
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	34649000	USD
CY2020Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	34475000	USD
CY2021Q4	jack	Accrued Sales And Property Taxes Current AccruedSalesAndPropertyTaxesCurrent	23174000	USD
CY2020Q3	jack	Accrued Sales And Property Taxes Current AccruedSalesAndPropertyTaxesCurrent	22038000	USD
CY2021Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	21218000	USD
CY2020Q3	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	25310000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	17892000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1687000	USD
CY2021Q4	us-gaap	Accrued Advertising Current AccruedAdvertisingCurrent	13097000	USD
CY2020Q3	us-gaap	Accrued Advertising Current AccruedAdvertisingCurrent	9861000	USD
CY2021Q4	jack	Deferred Franchise Fees Accrued Liabilities DeferredFranchiseFeesAccruedLiabilities	4824000	USD
CY2020Q3	jack	Deferred Franchise Fees Accrued Liabilities DeferredFranchiseFeesAccruedLiabilities	4934000	USD
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	33563000	USD
CY2020Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	31126000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	148417000	USD
CY2020Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	129431000	USD
CY2021Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	70354000	USD
CY2020Q3	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	120811000	USD
CY2021Q4	jack	Deferredfranchisefees Noncurrent DeferredfranchisefeesNoncurrent	35608000	USD
CY2020Q3	jack	Deferredfranchisefees Noncurrent DeferredfranchisefeesNoncurrent	38607000	USD
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	50380000	USD
CY2020Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	47076000	USD
CY2021Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	156342000	USD
CY2020Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	206494000	USD

Files In Submission

Name	View Source	Status
0000807882-21-000016-index-headers.html	Edgar Link	pending
0000807882-21-000016-index.html	Edgar Link	pending
0000807882-21-000016.txt	Edgar Link	pending
0000807882-21-000016-xbrl.zip	Edgar Link	pending
ex102272021.htm	Edgar Link	pending
ex108182021.htm	Edgar Link	pending
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ex2112021.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
jack-20211003.htm	Edgar Link	pending
jack-20211003.xsd	Edgar Link	pending
jack-20211003_cal.xml	Edgar Link	unprocessable
jack-20211003_def.xml	Edgar Link	unprocessable
jack-20211003_g1.jpg	Edgar Link	pending
jack-20211003_g2.jpg	Edgar Link	pending
jack-20211003_htm.xml	Edgar Link	completed
jack-20211003_lab.xml	Edgar Link	unprocessable
jack-20211003_pre.xml	Edgar Link	unprocessable
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$JACK
JACK IN THE BOX INC Stock $jack

2021 Q4 Form 10-K Financial Statement

#000080788221000016 Filed on November 23, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JACK JACK IN THE BOX INC Stock $jack

2021 Q4 Form 10-K Financial Statement

#000080788221000016 Filed on November 23, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JACK
JACK IN THE BOX INC Stock $jack