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Goodwill and Other Intangibles, Net - Additional Information (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
Impairment charge of intangible asset $ 6.4us-gaap_AssetImpairmentCharges $ 8.4us-gaap_AssetImpairmentCharges $ 2.1us-gaap_AssetImpairmentCharges
Net carrying value 407.8us-gaap_FiniteLivedIntangibleAssetsNet 337.7us-gaap_FiniteLivedIntangibleAssetsNet  
Amortization expense of intangible assets 31.7us-gaap_AmortizationOfIntangibleAssets 28.9us-gaap_AmortizationOfIntangibleAssets 26.8us-gaap_AmortizationOfIntangibleAssets
Estimated amortization expense, 2015 35.8us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths    
Estimated amortization expense, 2016 34.5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo    
Estimated amortization expense, 2017 34.5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree    
Estimated amortization expense, 2018 34.5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour    
Estimated amortization expense, 2019 34.5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive    
Estimated amortization expense, 2020 34.5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive    
Consumer Domestic      
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
Impairment charge of intangible asset 5.0us-gaap_AssetImpairmentCharges
/ us-gaap_StatementBusinessSegmentsAxis
= chd_ConsumerDomesticMember
   
Trade names      
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
Net carrying value 170.1us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
92.9us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
 
Trade names | Personal Care Products      
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
Fair value exceeds carrying value 11.00%us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
/ us-gaap_ProductOrServiceAxis
= chd_PersonalCareProductsMember
   
Fair value of personal care trade name 37.0us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillFairValueDisclosure
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
/ us-gaap_ProductOrServiceAxis
= chd_PersonalCareProductsMember
   
Trade names | Consumer Domestic and Consumer International      
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
Net carrying value   $ 35.7us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
/ us-gaap_StatementBusinessSegmentsAxis
= chd_ConsumerDomesticAndConsumerInternationalMember
 
Amortization Period (Years)   15 years