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Goodwill and Identifiable Intangible Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Goodwill [Line Items]    
Goodwill $ 1,454.4us-gaap_Goodwill [1] $ 1,467.8us-gaap_Goodwill [1]
Goodwill increase (decrease) due to acquisition-related adjustments (13.4)us-gaap_GoodwillPeriodIncreaseDecrease  
Identifiable intangible assets, tradenames 661.5us-gaap_IntangibleAssetsNetExcludingGoodwill 656.5us-gaap_IntangibleAssetsNetExcludingGoodwill
Anaheim Manufacturing Company [Member]    
Goodwill [Line Items]    
Increase in gross identifiable intangible assets acquired $ 6.4us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_BusinessAcquisitionAxis
= fbhs_AnaheimMember
 
Minimum [Member] | Tradenames and Customer Relationship [Member]    
Goodwill [Line Items]    
Amortizable identifiable intangible assets, estimated useful life 5 years  
Maximum [Member] | Tradenames and Customer Relationship [Member]    
Goodwill [Line Items]    
Amortizable identifiable intangible assets, estimated useful life 30 years  
[1] Net of accumulated impairment losses of $399.5 million in the Doors segment.