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Goodwill and Identifiable Intangible Assets - Change in Net Carrying Amount of Goodwill by Segment (Parenthetical) (Detail) (Doors [Member], USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Doors [Member]
 
Goodwill [Line Items]  
Accumulated impairment losses $ 399.5us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= fbhs_DoorsSegmentMember