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Disclosure - Lakeville Acquisition - Summary of Fair Value of Assets Acquired (Details) link:presentationLink link:calculationLink link:definitionLink 995945 - Disclosure - Lakeville Acquisition - Summary of Unaudited Pro Forma Results Of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 995955 - Disclosure - Revenue Recognition - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995965 - Disclosure - Revenue Recognition - Summary of Revenue Disaggregated by Sales Channel (Detail) link:presentationLink link:calculationLink link:definitionLink 995975 - Disclosure - Leases - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995985 - Disclosure - Leases - Operating Lease Assets And Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 995995 - Disclosure - Leases - LeaseCost (Detail) link:presentationLink link:calculationLink link:definitionLink 996005 - 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Disclosure - Goodwill and Intangible Assets - Components of Identifiable Intangible Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 996085 - Disclosure - Goodwill and Intangible Assets - Amortization of Intangible Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 996085 - Disclosure - Goodwill and Intangible Assets - Amortization of Intangible Assets (Detail) [Default] link:presentationLink link:calculationLink link:definitionLink 996095 - Disclosure - Goodwill and Intangible Assets - Summary of Expected Amortization Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 996105 - Disclosure - Goodwill and Intangible Assets - Summary of Changes in Carrying Amount of Goodwill (Detail) link:presentationLink link:calculationLink link:definitionLink 996115 - Disclosure - Revolving Credit Facility - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996125 - Disclosure - 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Deferred Tax Assets and Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 996205 - Disclosure - Income Taxes - Schedule of Reconciliation of Unrecognized Tax Benefits (Detail) link:presentationLink link:calculationLink link:definitionLink 996215 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Detail) link:presentationLink link:calculationLink link:definitionLink 996225 - Disclosure - Income Taxes - Cash Paid For Income Taxes, Net Of Refunds Received (Details) link:presentationLink link:calculationLink link:definitionLink 996235 - Disclosure - Income Taxes - Federal Statutory Income Tax Rate (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 996245 - Disclosure - Stockholders' Equity - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996255 - Disclosure - Stock-Based Compensation Plans - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996265 - Disclosure - Stock-Based Compensation Plans - Summary of RSU Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 996275 - Disclosure - Stock-Based Compensation Plans - Summary of PSU Activity (Details) link:presentationLink link:calculationLink link:definitionLink 996285 - Disclosure - Stock-Based Compensation Plans- Summary of PSU activity (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 996295 - Disclosure - Stock-Based Compensation Plans - Summary of Compensation Expenses (Detail) link:presentationLink link:calculationLink link:definitionLink 996305 - Disclosure - Cash Dividends - Summary of Cash Dividends (Detail) link:presentationLink link:calculationLink link:definitionLink 996315 - Disclosure - Cash Dividends - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996325 - Disclosure - Employee Benefit Plans - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996335 - 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Disclosure - Retirement Plan - Components of AOCL (Detail) link:presentationLink link:calculationLink link:definitionLink 996415 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME - Changes in Accumulated Other Comprehensive Loss (Detail) link:presentationLink link:calculationLink link:definitionLink 996425 - Disclosure - Accumulated Other Comprehensive Loss - Reclassifications Out of AOCL (Detail) link:presentationLink link:calculationLink link:definitionLink 996435 - Disclosure - Product Type Sales Mix - Schedule of Sales by Product Type as Percentage of Gross Sales (Detail) link:presentationLink link:calculationLink link:definitionLink 996445 - Disclosure - Garysburg, North Carolina Facility - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996455 - Disclosure - Subsequent Event - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink Inventory, Finished Goods and Work in Process, Net of Reserves, Total Inventory, Finished Goods and Work in Process, Net of Reserves Work-in-process and finished goods Cybersecurity Risk Management Expertise of Management Responsible [Text Block] Selma Texas Facility Financing Obligation Due In Installments Through September One Two Thousand Thirty One [Member] Selma Texas Facility Financing Obligation Due in Installments through September 1, 2031 [Member] Former monthly lease amount. Former Monthly Lease Amount Former monthly lease amount Pledged Status [Axis] Statements class of stock. Statements Class Of Stock [Domain] Class of Stock [Domain] Gross profit Gross Profit Lessee Leases Not Yet Commenced Lessee Leases Not Yet Commenced Lessee leases not yet commenced Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] Effective Income Tax Rate Reconciliation, Nondeductible Expense, Section 162(m) Limitation, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Section 162(m) Limitation, Amount Section 162(m) limitation, Amount Operating Lease, Liability Total lease liabilities Operating lease, liability Present value of operating lease liabilities Interest Expense, Total Interest Expense, Operating and Nonoperating Interest expense Interest expense including $691, $750 and $788 to related parties, respectively Debt, Long-Term and Short-Term, Combined Amount Carrying value of current and long-term debt: Total long-term debt maturities Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Unrecognized compensation expense related to non-vested share-based compensation Subsidiary or Equity Method Investee [Line Items] Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Carrying Value and Fair Value Estimate of Current and Long-Term Debt Defined Benefit Plan, Benefit Obligation, Benefits Paid Benefits paid Benefits paid Revolving credit facility borrowings Long-Term Line of Credit, Total Long-Term Line of Credit Lapse of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Amortization of operating lease right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Long-Term Debt, Maturity, Year Three June 28, 2029 Variable interest rate Debt Instrument, Basis Spread on Variable Rate Commitments and Contingencies COMMITMENTS AND CONTINGENCIES Equipment Loan Financing Obligation [Member] Equipment Loan Financing Obligation [Member] Equipment Loan financing [Member] Weighted Average Number of Shares Outstanding, Diluted Weighted average shares outstanding — diluted Weighted average number of shares outstanding - diluted Accrued interest rate based on Secured Overnight Financing Rate Accrued interest rate based on Secured Overnight Financing Rate Secured Overnight Financing Rate Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Settlements Operating leases non-cash activity abstract. Operating Leases NonCash Activity [Abstract] Non-cash activity: APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock-based compensation expense Minimum [Member] Minimum State [Domain] Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security, Total Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Principal payments on long-term debt Equipment deposits paid on long term capital projects Minimum loan availability required before fixed charge coverage ratio covenant is applicable. Minimum Loan Availability Required Before Fixed Charge Coverage Ratio Covenant Is Applicable Minimum loan availability required before fixed charge coverage ratio covenant is applicable Defined Benefit Plan, Expected Future Benefit Payment, Year One 2027 Long-Term Debt, Maturity, Year Two June 29, 2028 Disclosure of accounting policy for the classification of shipping and handling costs, including whether the charges are included in cost of sales or included in other income statement accounts. If shipping and handling fees are significant and are not included in cost of sales, disclosure includes both the amounts of such costs and the line item on the income statement which includes such costs. Shipping And Handling Charge [Policy Text Block] Shipping and Handling Costs Selma Texas Facility Financing Obligation Due In Installments Through September 1, 2026 [Member] Selma Texas Facility Financing Obligation Due In Installments Through September One Two Thousand Twenty Six [Member] Selma Texas Facility Financing Obligation Due In Installments Through September One Two Thousand Twenty Six [Member] Unrecognized tax benefits, that if recognized, would affect the annual effective tax rate on income from continuing operations. Unrecognized Tax Benefits Unrecognized Tax Benefits [Table Text Block] Debt Instrument, Interest Rate, Effective Percentage Fixed interest rate Other, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Schedule of Weighted Average Number of Shares [Table Text Block] Weighted Average Shares Outstanding Used in Computing Basic and Diluted Earnings Per Share Right Of Electing Members Of Board Of Directors Percentage Right Of Electing Members Of Board Of Directors Percentage Percentage of members comprising the Board of Directors elected by the holders of Common Stock Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Cashews & Mixed Nuts. Cashews And Mixed Nuts [Member] Cashews & Mixed Nuts [Member] TreeHouse Foods, Inc. [Member] TreeHouse Foods, Inc TreeHouse Foods, Inc. [Member] Business Combination, Pro Forma Information, Pro Forma Revenue Pro forma net sales Maximum length in years that NQDCP benefits may be paid through Maximum length in years that NQDCP benefits may be paid through Document Financial Statement Restatement Recovery Analysis [Flag] Operating lease assets and liabilities table text block. Operating Lease Assets And Liabilities [Table Text Block] Supplemental information related to operating lease right-of-use assets and liabilities Common Stock, Shares, Issued Common stock, shares issued Debt Instrument, Face Amount Amounts of term loans Income Tax Expense (Benefit) Income tax expense Total income tax expense Damage From Fire In Business Unit [Abstract] Statement of Comprehensive Income Location [Axis] Statement of Comprehensive Income Location [Axis] Property, Plant and Equipment [Member] Property, Plant and Equipment [Member] Cybersecurity Risk Management Positions or Committees Responsible [Flag] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Schedule of Expected Benefit Payments [Table Text Block] Benefits Expected to be Paid in Next Ten Fiscal Years Deferred Tax Liabilities, Net Deferred Tax Liabilities, Net, Total Net deferred tax (liability) Subsidiary or Equity Method Investee, Sale of Stock [Table] Intangible Asset, Finite-Lived, Class [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Property Plant And Equipment Estimated Useful Lives [Table] Property Plant And Equipment Estimated Useful Lives [Table] Property Plant And Equipment Estimated Useful Lives [Table] Cybersecurity Risk Management Positions or Committees Responsible [Text Block] O2025M9 Dividends [Member] O2025M9 Dividends [Member] O2025M9 Dividends [Member] Line of Credit Facility, Maximum Borrowing Capacity Revolving loan commitment and letter of credit sub facility Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax, Total Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Pension liability amortization income tax expense Allowance for Doubtful Accounts, Premiums and Other Receivables Bad debt expense Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Discount rate Subsequent Event Type [Domain] Income Tax Examination, Year under Examination Defined Benefit Plan, Benefit Obligation Projected benefit obligation at end of year Projected benefit obligation at beginning of year Cost of Goods and Services Sold, Total Cost of Product and Service Sold Cost of sales Long-Term Debt and Lease Obligation, Total Long-Term Debt and Lease Obligation Total long-term debt, net of unamortized debt issuance costs Long-term debt, less current maturities, net, including related party debt of $4,719 and $5,557, respectively and net of unamortized debt issuance costs of $168 and $123, respectively Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Documents Incorporated by Reference [Text Block] Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less imputed interest Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Employee compensation Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount State and local income taxes, net of federal tax effect, Amount Payment for (Proceeds from) Other Investing Activity Other, net Total other expense, net Nonoperating Income (Expense) Total other expense, net Income Tax Paid, Federal, after Refund Received Income Tax Paid, Federal, after Refund Received, Total U.S. federal Schedule of Long-Term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Amount before accumulated depreciation of equipment commonly used in offices that have no permanent connection to the structure of a building and amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement. Furniture And Leasehold Improvements Furniture and leasehold improvements Property Sold To Related Party Property Sold To Related Party Selling price of Texas properties sold to related party partnerships General and Administrative Expense, Total General and Administrative Expense Administrative expenses Document Financial Statement Error Correction [Flag] Comprehensive Income (Loss) Note [Text Block] ACCUMULATED OTHER COMPREHENSIVE INCOME Debt Disclosure [Table] Land Land Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited, Shares Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Goodwill Lease, Cost [Table Text Block] Summary of company's total lease costs and other information arising from operating lease transactions ICFR Auditor Attestation Flag Related and Nonrelated Parties [Domain] Intangible Asset, Finite-Lived [Table] Schedule of Finite-Lived Intangible Assets [Table] Earnings Per Share, Basic, Total Earnings Per Share, Basic Net income per common share — basic Deferred Tax Assets, Goodwill and Intangible Assets Goodwill and intangible assets Document Period End Date Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Retirement plan Prepayment Penalty of Loan Description Prepayment Penalty of Loan Description Prepayment penalty of loan description Document Information [Table] Finite-Lived Intangible Assets, Net, Ending Balance Finite-Lived Intangible Assets, Net, Beginning Balance Intangible Asset, Finite-Lived, after Accumulated Amortization Intangible assets, net Net intangible assets Number of buildings located on site. 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Product Type Sales Mix [Abstract] Product Type Sales Mix [Abstract] Operating Lease, Payments Cash paid for amounts included in measurements for lease liabilities Minimum repurchase price. Minimum Repurchase Price Minimum amount accepted for repurchase Concentration Risk Major Customers Sales Concentration Risk Major Customers Sales Concentration Risk Benchmark Percentage Other Long-Term Debt Other Long-Term Debt, Total Bank loan for purchase of equipment Schedule of Net Benefit Costs [Table Text Block] Schedule of Net Periodic Pension Cost Effective Income Tax Rate Reconciliation, Percent Total Effective tax rate, Percentage Effective tax rate Warehouse [Member] Warehouse [Member] Variable Rate [Axis] Interest Paid, Excluding Capitalized Interest, Operating Activity Interest paid Revolving Credit Facility [Abstract] Lessee, Operating Lease, Liability, to be Paid, Year One June 24, 2027 Property, plant and equipment estimated useful lives. Property Plant And Equipment Estimated Useful Lives [Table Text Block] Estimated Useful Lives of Property, Plant and Equipment Shipping and handling costs. Shipping And Handling Costs [Abstract] Due to Related Party, Noncurrent Due to Related Party, Noncurrent Related party debt, Non-current Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization [Abstract] PROPERTY, PLANT AND EQUIPMENT: Customer Relationships [Member] Customer Relationships [Member] Disaggregation of Revenue [Table Text Block] Summary of Revenue disaggregated by distribution channel Debt Instrument, Periodic Payment, Total Debt Instrument, Periodic Payment Monthly installment Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four June 27, 2030 Distribution Channel Commercial Ingredients [Member] Sales channel commercial ingredients. 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Share Based Compensation Arrangement By Share Based Payment Award Maximum Amount Payable In Cash And Property Amount that may be paid to any participant for awards payable in cash or property other than Common Stock Just the cheese brand. Just The Cheese Brand [Member] Lakeville Just The Cheese Brand Proceeds from Sales of Assets, Investing Activities Proceeds from dispositions of assets, net Entity Tax Identification Number Treasury Stock, Common, Shares Treasury Stock, Shares Accounts Receivable [Member] Accounts Receivable [Member] Goodwill, Impairment Loss Goodwill impairment Equity Component [Domain] Equity Component [Domain] Entity Address, City or Town Accumulated Other Comprehensive Loss [Abstract]. 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Product Type Reporting Information [Line Items] Product Type Reporting Information [Line Items] Lessee, Operating Lease, Liability, to be Paid Total lease payment Treasury Stock, Value, Total Treasury Stock, Value Treasury stock, at cost; 117,900 shares of Common Stock Other Accrued Liabilities, Current Other accrued expenses Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Pension expense (excluding service costs) Additional Paid in Capital, Common Stock Capital in excess of par value Security Exchange Name Proceeds from Income Tax Refunds Income taxes paid, refunds Trail and snack mixes. Trail And Snack Mixes [Member] Trail & Snack Mixes [Member] Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Undiscounted fixed lease consideration under non-cancelable tenant operating leases Applicable Margin Applicable Margin Applicable Margin Revenues, Total Revenues Net sales Total Peanuts & Peanut Butter [Member] Peanuts. 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Lease Period For Renewal Option Description Renewal options of Texas properties Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Unrecognized Tax Benefits Ending balance Beginning balance Total gross amounts of unrecognized tax benefits Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] Other, net Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Other information related to operating lease table text block. 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Operating Leases Not Yet Commenced Operating leases not yet commenced Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Unrecognized net loss Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Product formulas Operating Lease, Weighted Average Remaining Lease Term Weighted Average Remaining Lease Term (in years) Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Summary of RSU Activity Revenue from Contract with Customer [Abstract] Business Combination, Pro Forma Information, Pro Forma Earnings Per Share, Diluted Pro forma diluted earnings per share Long-Term Debt, Type [Domain] Defined Contribution Plan, Employer Matching Contribution, Percent of Match Matching percentage by employer for 401(k) plan contributions Real Estate Investment Property, Accumulated Depreciation Accumulated depreciation of rental investment property Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Balance at end of period Balance at beginning of period Accumulated other comprehensive loss Accumulated other comprehensive income Real Estate Investment Property, Net Real Estate Investment Property, Net, Total Rental investment property, less accumulated depreciation of $16,860 and $16,053, respectively Schedule of Changes in Projected Benefit Obligations [Table Text Block] Changes in Projected Benefit Obligation Property, Plant, and Equipment, Useful Life Property, plant and equipment estimated useful life Intangible Asset, Finite-Lived, Amortization Expense Amortization of intangible assets Operating lease cash flows abstract. 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