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Defined Benefit Plans - Assumed Health Care Cost Trend Rates Used to Determine Benefit Obligations and Net Cost (Detail) (Postretirement Benefits)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]    
Rate that the cost trend rate is assumed to decline (the ultimate trend rate) 4.50%us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate 4.50%us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate
Year that the rate reaches the ultimate trend rate 2022 2022
Pre Age Sixty Five
   
Defined Benefit Plan Disclosure [Line Items]    
Health care cost trend rate assumed for next year 7.60%us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear
/ fbhs_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAxis
= fbhs_PreAgeSixtyFiveMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
[1] 7.10%us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear
/ fbhs_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAxis
= fbhs_PreAgeSixtyFiveMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
[1]
Post Age Sixty Five
   
Defined Benefit Plan Disclosure [Line Items]    
Health care cost trend rate assumed for next year 7.50%us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear
/ fbhs_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAxis
= fbhs_PostAgeSixtyFiveMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
[1] 7.50%us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear
/ fbhs_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAxis
= fbhs_PostAgeSixtyFiveMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
[1]
[1] The pre-65 initial health care cost trend rate is shown first / followed by the post-65 rate.