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Goodwill and Identifiable Intangible Assets - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Goodwill [Line Items]    
Goodwill [1] $ 1,757.8 $ 1,755.3
Goodwill increase (decrease) due to foreign exchange adjustments 2.5  
Other intangible assets, net of accumulated amortization 993.3 $ 996.7
Decrease in gross identifiable intangible assets $ (3.4)  
Minimum [Member] | Tradenames and Customer Relationship [Member]    
Goodwill [Line Items]    
Amortizable identifiable intangible assets, estimated useful life 3 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.