75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS link:presentationLink link:calculationLink link:definitionLink 75030 - Disclosure - Description of Plan link:presentationLink link:calculationLink link:definitionLink 75040 - Disclosure - Summary of significant accounting policies link:presentationLink link:calculationLink link:definitionLink 75050 - Disclosure - Related party transactions link:presentationLink link:calculationLink link:definitionLink 75060 - Disclosure - Plan termination link:presentationLink link:calculationLink link:definitionLink 75070 - Disclosure - Tax status link:presentationLink link:calculationLink link:definitionLink 75080 - Disclosure - Risks and uncertainties link:presentationLink link:calculationLink link:definitionLink 75090 - Disclosure - Fair value measurements link:presentationLink link:calculationLink link:definitionLink 75100 - Disclosure - Interest in Master Trust link:presentationLink link:calculationLink link:definitionLink 75110 - Disclosure - Subsequent events link:presentationLink link:calculationLink link:definitionLink 75120 - Disclosure - SCHEDULE OF ASSETS (HELD AT END OF YEAR) link:presentationLink link:calculationLink link:definitionLink 75130 - Disclosure - Description of Plan (Tables) link:presentationLink link:calculationLink link:definitionLink 75140 - Disclosure - Fair value measurements: (Tables) link:presentationLink link:calculationLink link:definitionLink 75150 - Disclosure - Interest in Master Trust (Tables) link:presentationLink link:calculationLink link:definitionLink 75160 - Disclosure - SCHEDULE OF ASSETS (HELD AT END OF YEAR) (Tables) link:presentationLink link:calculationLink link:definitionLink 75170 - Disclosure - Description of Plan (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 75180 - Disclosure - Description of Plan - Schedule of Participants Vested in Company Matching and Profit-Sharing Contributions (Details) link:presentationLink link:calculationLink link:definitionLink 75190 - Disclosure - Summary of significant accounting policies (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 75200 - Disclosure - Fair value measurements (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 75210 - Disclosure - Fair value measurements: - Schedule of Plan's Investments With a Reported NAV (Details) link:presentationLink link:calculationLink link:definitionLink 75220 - Disclosure - Fair value measurements: - Schedule of Plan's Assets at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 75230 - Disclosure - Interest in Master Trust - Schedule of Investment Balances for the Plan's interest in the Master Trust (Details) link:presentationLink link:calculationLink link:definitionLink 75240 - Disclosure - Interest in Master Trust - Schedule of Changes in Net Assets for the Master Trust (Details) link:presentationLink link:calculationLink link:definitionLink 75250 - Disclosure - SCHEDULE OF ASSETS (HELD AT END OF YEAR) - Schedule Of Assets (Held at End of Year) (Details) link:presentationLink link:calculationLink link:definitionLink 75250 - Disclosure - SCHEDULE OF ASSETS (HELD AT END OF YEAR) - Schedule Of Assets (Held at End of Year) (Details) [Default] link:presentationLink link:calculationLink link:definitionLink EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Maximum Borrowing, to Total Account, Percentage EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Forfeited Nonvested Account, Decrease from Employer Contribution Employee Benefit Plan Employer Contribution MaximumAge Employee Benefit Plan Employer Contribution MaximumAge Employer Contribution MaximumAge EBP, Master Trust [Abstract] Vanguard Target Retirement 2035 Trust I [Member] Vanguard Target Retirement 2035 Trust I [Member] EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Administrative expenses Net assets available for benefits EBP, Net Asset Available for Benefit Beginning of year End of year Minimum [Member] Employee Benefit Plan Participant Contributions Employee Benefit Plan Participant Contributions Participant Contributions Employee Benefit Plan Company Matching Contributions Investment Company Stock Fund Rate Employee Benefit Plan Company Matching Contributions Investment Company Stock Fund Rate EBP, Schedule of Asset Held for Investment [Table] EBP, Tax Status [Line Items] Employee Benefit Plan Number Of Shares Sold Employee Benefit Plan Number Of Shares Sold Number Of Shares Sold EBP, Payment to Participant [Policy Text Block] Payment of benefits EBP, Tranche One [Member] Employee Benefit Plan Tranche One [Member] Employee Benefit Plan Tranche One [Member] EBP, Description of Plan and Accounting Change [Abstract] Employee Benefit Plans Vesting [Domain] Employee Benefit Plans Vesting [Domain] Employee Benefit Plan Tranche Five [Member] Employee Benefit Plan Tranche Five [Member] EBP, Tranche Five [Member] Employee Benefit Plan Company Matching Contributions Investment Funds Rate Employee Benefit Plan Company Matching Contributions Investment Funds Rate Company Matching Contributions Investment Funds Rate Employee Benefit Plan, Notes Receivable from Participants and Other Additions Employee Benefit Plan, Notes Receivable from Participants and Other Additions Totals Totals EBP, Net Asset Value per Share or Unit EBP, Net Asset Value per Share or Unit Vanguard Target Retirement 2055 Trust II [Member] Vanguard Target Retirement 2055 Trust II [Member] EBP, Increase Cash-Out Limit Employee Benefit Plan Increase Cash-Out Limit Increase Cash-Out Limit Document Period End Date Document Information [Table] EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] Investments [Domain] EBP, Statement of Net Asset Available for Benefit [Abstract] Vanguard Retirement Savings Trust III [Member] Vanguard Retirement Savings Trust III [Member] Totals EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Investment Income (Loss), after Investment Expense Vanguard Target Retirement 2065 Trust I [Member] Vanguard Target Retirement 2065 Trust I [Member] EBP, Employer Contribution, Receivable Employer contributions Employee Benefit Plan Normal Retirement Age Employee Benefit Plan Normal Retirement Age Employee Benefit Plan Normal Retirement Age EBP, Investment, Fair Value Total investments Total investments EBP, Note Receivable from Participant Notes receivable from participants Vanguard Target Retirement Income Trust II [Member] Vanguard Target Retirement Income Trust II [Member] EBP, Tax Status [Text Block] Tax status Vanguard Target Retirement 2030 Trust I [Member] Vanguard Target Retirement 2030 Trust I [Member] Employee Benefit Plan Maximum Automatic Escalator Percentage Employee Benefit Plan Maximum Automatic Escalator Percentage Maximum Automatic Escalator Percentage Use of estimates EBP, Use of Estimate [Policy Text Block] Interest in Master Trust EBP, Master Trust [Text Block] Vanguard Target Retirement Income And Growth Trust I [Member] Vanguard Target Retirement Income And Growth Trust I [Member] EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash, Total Employer Vanguard Target Retirement 2055 Trust I [Member] Vanguard Target Retirement 2055 Trust I [Member] Vanguard Target Retirement 2035 Trust II [Member] Vanguard Target Retirement 2035 Trust II [Member] Employee Benefit Plan Employer Contribution Matching Age Employee Benefit Plan Employer Contribution Matching Minimum Age Employer Contribution Matching Age EmployeeBenefit Plan Employer Contribution Participant Profit Sharing Percentage EmployeeBenefit Plan Employer Contribution Participant Profit Sharing Percentage Employer Contribution Participant Profit Sharing Percentage EBP, Accounting Policy [Table] Investment valuation and income recognition EBP, Investment [Policy Text Block] EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Interest income on notes receivable from participants Statistical Measurement [Axis] Money Market Funds [Member] Money market fund EBP, Employer Contribution, Participant Compensation Matched, Percentage Employer Contribution, Participant Compensation Matched, Percentage Employee Benefit Plan, Plan Termination [Line Items] Employee Benefit Plan, Plan Termination [Line Items] EBP, Basis of Accounting [Policy Text Block] Basis of presentation Fair Value, Inputs, Level 3 [Member] Level 3 EBP, Investment, Fair Value and NAV [Table Text Block] Schedule of Plan's Investments With a Reported NAV EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan Transfers from other plans, net Net transfers Employee Benefit Plans Vested Participant Percentage Employee Benefit Plans Vested Participant Percentage Vested Participant Percentage EBP, Change in Net Asset Available for Benefit, Increase Total additions Employee Benefit Plan Schedule Of Asset Held At End Of Year [Table Text Block] Employee Benefit Plan Schedule Of Asset Held At End Of Year [Table Text Block] Employee Benefit Plan Schedule Of Asset Held At End Of Year Fair Value Hierarchy and NAV [Axis] Vanguard Target Retirement 2045 Trust I [Member] Vanguard Target Retirement 2045 Trust I [Member] EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Deductions from net assets attributable to: EBP, Nonconsolidated, Plan Interest in Master Trust [Member] EBP, Description of Plan [Line Items] Employee Benefit Plan, Investment Plan's Assets at Fair Value [Table Text Block] Schedule of Plan's Assets at Fair Value Employee Benefit Plan, Investment Plan's Assets at Fair Value [Table Text Block] EBP, Risk and Uncertainty [Abstract] Totals EBP, Change in Net Asset Available for Benefit, Increase from Contribution Document Fiscal Period Focus EBP, Description, Available [true false] Description Plan's interest in the Church & Dwight Co., Inc. Master Trust for Salaried and Hourly 401(k) Plans investment and dividend income (loss) EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Change in Plan Interest in Master Trust EBP, Participant Contribution, Automatic, Deferral Rate Participant Contribution, Automatic, Deferral Rate EBP, Employer, Common Stock [Member] Church & Dwight Company Stock Fund [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Change in Net Asset Available for Benefit, Decrease Total deductions EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Participant, Account, Maximum Borrowing, Amount Level 1 Fair Value, Inputs, Level 1 [Member] Investment Type [Axis] Employee Benefit Plan Involuntary Defer payment Matched Age Employee Benefit Plan Involuntary Defer payment Matched Age Involuntary Defer payment Matched Age EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Risk and Uncertainty [Text Block] Risks and uncertainties Statistical Measurement [Domain] Vanguard Target Retirement 2020 Trust I [Member] Vanguard Target Retirement 2020 Trust I [Member] Entity Central Index Key EBP, Summary of Accounting Policy [Text Block] Summary of significant accounting policies Current Fiscal Year End Date EBP, Participant Contribution, Pretax, Maximum Annual Compensation, Amount Maximum Annual Compensation, Amount Vanguard Target Retirement 2025 Trust I [Member] Vanguard Target Retirement 2025 Trust I [Member] EBP, Plan Termination [Text Block] Plan termination Employee Benefit Plan At The Rate Of Contribution Employee Benefit Plan At The Rate Of Contribution Rate Of Contribution Level 2 Fair Value, Inputs, Level 2 [Member] Vanguard Target Retirement 2040 Trust II [Member] Vanguard Target Retirement 2040 Trust II [Member] EBP, Nonconsolidated, Master Trust [Member] Master Trust [Member] Investment Name [Axis] Investment Name [Axis] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Accounting Policy [Line Items] EBP, Investment, Fair Value and NAV [Abstract] Employee Benefit Plan Number Of Shares Purchased Employee Benefit Plan Number Of Shares Purchased Number Of Shares Purchased EBP, Employer, Common Stock, Class A [Member] EBP, Employer, Common Stock, Class A [Member] Fair Value Hierarchy and NAV [Domain] EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment, Total Dividend and interest income Interest and dividends Vanguard Target Retirement 2070 Trust I [Member] Vanguard Target Retirement 2070 Trust I [Member] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] Employee Benefit Plan changes in Net Assets for Master Trust [Table Text Block] Employee Benefit Plan changes in Net Assets for Master Trust [Table Text Block] Schedule of Changes in Net Assets for the Master Trust Vanguard Target Retirement 2025 Trust II [Member] Vanguard Target Retirement 2025 Trust II [Member] Employee Benefit Plan, Change in Net Asset Available For Benefit Increase for Employee Contribution Employee Benefit Plan, Change in Net Asset Available For Benefit Increase for Employee Contribution Employee Vanguard Target Retirement 2050 Trust II [Member] Vanguard Target Retirement 2050 Trust II [Member] Investments Name [Domain] Investments Name [Domain] EBP, Related Party and Party-in-Interest Transactions [Text Block] Related party transactions Net increase in Plan assets before transfers EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Net increase in Plan assets before transfers (Decrease) Increase in net assets ASSETS EBP, Asset [Abstract] Vanguard Target Retirement 2020 Trust II [Member] Vanguard Target Retirement 2020 Trust II [Member] Document Type Net increase in Plan assets after transfers Employee Benefit Plan, Net Increase (Decrease) After Transfer Employee Benefit Plan, Net Increase (Decrease) After Transfer Net increase in Plan assets after transfers EBP, Description of Plan [Table] Vanguard Target Retirement 2040 Trust I [Member] Vanguard Target Retirement 2040 Trust I [Member] EBP, Contribution [Policy Text Block] Contributions EBP, Statement of Change in Net Asset Available for Benefit [Abstract] EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment, Total Net appreciation in fair value of investments Net (depreciation) appreciation in fair value of investments EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] Entity Registrant Name EBP, Related Party and Party-in-Interest Transactions [Table] Investments Measured at Net Asset Value [Member] Investments Measured at Net Asset Value [Member] Description of Plan EBP, Description of Plan [Text Block] Vanguard Target Retirement 2050 Trust I [Member] Vanguard Target Retirement 2050 Trust I [Member] EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Table] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Employee Benefit Plans Employer Contribution Vested Percentage Employee Benefit Plans Employer Contribution Vested Percentage Vested Percentage EBP, Risk and Uncertainty [Line Items] EBP, Investment, Number of Shares Number Of Shares EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash [Abstract] Contributions: EBP, Plan Number EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment, Total Net investment (loss) income EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value, Ending Balance EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value, Beginning Balance EBP, Investments, at fair value Investments, at fair value EBP, Tax Status [Abstract] Mutual Fund [Member] Mutual funds Employee Benefit Plan New accounting pronouncement Policy TextBlock Employee Benefit Plan New accounting pronouncement Policy TextBlock New accounting pronouncement EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Distributions to participants EBP, Receivable Totals MFS Mid Cap Growth Fund [Member] MFS Mid Cap Growth Fund [Member] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Forfeited Nonvested Account Forfeited Nonvested Account Entity Tax Identification Number Employee Benefit Plan Number Of Years Of ServiceIn Vesting Of Employer Contribution Employee Benefit Plan Number Of Years Of ServiceIn Vesting Of Employer Contribution Years of Vesting Service Vanguard Target Retirement 2065 Trust II [Member] Vanguard Target Retirement 2065 Trust II [Member] EBP, Note Receivable from Participant [Policy Text Block] Notes receivable from participants Entity [Domain] Vanguard Target Retirement Income Trust I [Member] Vanguard Target Retirement Income Trust I [Member] EBP, Schedule of Asset Held for Investment [Text Block] Employee Benefit PlanTotal Participant Contributions Employee Benefit PlanTotal Participant Contributions Total Participant Contributions EBP, Related Party and Party-in-Interest Transactions [Line Items] Maximum [Member] Investment Excluding Measured at Net Asset Value [Member] Investment Excluding Measured at Net Asset Value [Member] Vanguard Target Retirement 2060 Trust II [Member] Vanguard Target Retirement 2060 Trust II [Member] EBP, Investment, Fair Value and NAV [Text Block] Fair value measurements Employee Benefit Plans Vesting [Axis] Employee Benefit Plans Vesting [Axis] Vanguard Target Retirement 2060 Trust I [Member] Vanguard Target Retirement 2060 Trust I [Member] Vanguard Target Retirement 2045 Trust II [Member] Vanguard Target Retirement 2045 Trust II [Member] Vanguard Target Retirement Income And Growth Trust II [Member] Vanguard Target Retirement Income And Growth Trust II [Member] Document Fiscal Year Focus Net assets available for benefits: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Involuntary Cash-Out Limit EBP, Involuntary Cash-Out Limit Involuntary Cash-Out Limit Employee Benefit Plan Employer Contribution Retirement Age Employee Benefit Plan Employer Contribution Retirement Age Employer Contribution Retirement Age EBP, Contribution [Table Text Block] Schedule of Participants Vested in Company Matching and Profit-Sharing Contributions JPMorgan Chase Bank Large Cap Growth Fund; CF-A Class [Member] JPMorgan Chase Bank Large Cap Growth Fund; CF-A Class [Member] EBP, Change in Net Asset Available for Benefit, Increase (Decrease) [Abstract] Additions to net assets attributable to: Disclosure Text Block [Abstract] Amendment Flag Employee Benefit Plan Company Matching Contributions Investment profit sharing Funds Rate Employee Benefit Plan Company Matching Contributions Investment profit sharing Funds Rate Contributions Investment Company Stock Fund Rate Employee Benefit Plan Tranche Three [Member] Employee Benefit Plan Tranche Three [Member] EBP, Tranche Three [Member] EBP, Subsequent Event [Text Block] Subsequent events EBP, Tax Status [Table] Investment, Identifier [Axis] Receivables: EBP, Receivable [Abstract] Vanguard Target Retirement 2030 Trust II [Member] Vanguard Target Retirement 2030 Trust II [Member] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Investment, Interest Rate EBP, Master Trust [Table] Legal Entity [Axis] EBP, Investment, Plan Interest in Master Trust, Fair Value Plan's interest in the Church & Dwight Co., Inc. Master Trust for Salaried and Hourly 401(k) Plans Plan's Interest in Master Trust EBP, Master Trust [Table Text Block] Schedule of Investment Balances for the Plan's Interest in the Master Trust EBP 008 [Member] EBP 008 [Member] EBP 008 [Member] Employee Benefit Plan Tranche Four [Member] Employee Benefit Plan Tranche Four [Member] EBP, Tranche Four [Member] Other additions Employee Benefit Plan, Other Additions Employee Benefit Plan, Other Additions Employee Benefit Plan, Percentage of Plan And Bear Interest At Prime Plus Employee Benefit Plan, Percentage of Plan And Bear Interest At Prime Plus Percentage of Plan And Bear Interest At Prime Plus EBP, Asset Held for Investment, Party-in-Interest [true false] Vanguard Target Retirement 2070 Trust II [Member] Vanguard Target Retirement 2070 Trust II [Member] Cover [Abstract] EBP, Tranche Two [Member] Employee Benefit Plan Tranche Two [Member] Employee Benefit Plan Tranche Two [Member] Employee Benefit Plan, Plan Termination [Table] Employee Benefit Plan, Plan Termination [Table] EBP, Investment, Excluding Plan Interest in Master Trust, Cost EBP, Investment, Fair Value and NAV [Table] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Risk and Uncertainty [Table] EBP, Investment, Fair Value and NAV [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Subsequent Event [Abstract] Document Information [Line Items] EBP, Master Trust [Line Items] Vanguard Extended Market Index Institutional Fund [Member] Vanguard Federal Money Market [Member] Vanguard Total Bond Market Index Institutional Fund [Member] Vanguard Extended Market Index Institutional Fund [Member] American Funds EuroPacific Growth Fund R6 [Member] Collective Trust [Member] Vanguard Total International Stock Index Fund [Member] Participant loans [Member] Vanguard Total Bond Market Index Institutional Fund [Member] Vanguard Wellington Fund [Member] PIMCO Total Return Institutional Fund [Member] Vanguard Equity Income Fund [Member] Vanguard Wellington Fund [Member] Vanguard Institutional Index Fund Institutional Plus Shares [Member] Collective Trust [Member] Participant loans [Member] T. Rowe Price Small Cap Value I Class Fund [Member] T. Rowe Price Small Cap Value I Class Fund [Member] Vanguard Equity Income Fund [Member] PIMCO Total Return Institutional Fund [Member] John Hancock Disciplined Value Mid Cap Fund [Member] Vanguard Federal Money Market [Member] Vanguard Total International Stock Index Fund [Member] Vanguard Institutional Index Fund Institutional Plus Shares [Member] John Hancock Disciplined Value Mid Cap Fund [Member] American Funds EuroPacific Growth Fund R6 [Member]