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Goodwill and Identifiable Intangible Assets - Change in Net Carrying Amount of Goodwill by Segment (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
Goodwill [Line Items]  
Beginning Balance $ 1,833.8 [1]
Year-to-date translation adjustments 1.1
Acquisition-related adjustments (2.0)
Ending Balance 1,832.9 [1]
Doors [Member]  
Goodwill [Line Items]  
Beginning Balance 143.0 [1]
Ending Balance 143.0 [1]
Cabinets [Member]  
Goodwill [Line Items]  
Beginning Balance 924.3 [1]
Year-to-date translation adjustments 0.4
Ending Balance 924.7 [1]
Plumbing [Member]  
Goodwill [Line Items]  
Beginning Balance 670.2 [1]
Year-to-date translation adjustments 0.5
Acquisition-related adjustments (2.0)
Ending Balance 668.7 [1]
Security [Member]  
Goodwill [Line Items]  
Beginning Balance 96.3 [1]
Year-to-date translation adjustments 0.2
Ending Balance $ 96.5 [1]
[1] Net of accumulated impairment losses of $399.5 million in the Doors segment.