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Change in Net Carrying Amount of Goodwill by Segment (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Kitchen & Bath Cabinetry
Dec. 31, 2012
Kitchen & Bath Cabinetry
Dec. 31, 2013
Plumbing & Accessories
Dec. 31, 2012
Plumbing & Accessories
Dec. 31, 2011
Plumbing & Accessories
Dec. 31, 2012
Advanced Material Windows & Door Systems
Dec. 31, 2013
Advanced Material Windows & Door Systems
Mar. 31, 2013
Security & Storage
Dec. 31, 2013
Security & Storage
Dec. 31, 2012
Security & Storage
Goodwill [Line Items]                        
Beginning Balance $ 1,381.4 [1] $ 1,366.6 [1] $ 491.8 [1] $ 491.2 [1] $ 569.7 [1] $ 569.7 [1] $ 569.7 [1] $ 230.2 [1] $ 229.1 [1] $ 90.8 [1] $ 90.8 [1] $ 75.5 [1]
Translation adjustments (3.8) 0.8 (2.4) 0.6             (1.4) 0.2
Acquisition-related adjustments 142.3 14.0 142.3         (1.1)   (5.6)   15.1
Ending Balance $ 1,519.9 [1] $ 1,381.4 [1] $ 631.7 [1] $ 491.8 [1] $ 569.7 [1] $ 569.7 [1] $ 569.7 [1] $ 229.1 [1] $ 229.1 [1]   $ 89.4 [1] $ 90.8 [1]
[1] Net of accumulated impairment losses of $541.4 million ($451.3 million in the Advanced Material Windows & Door Systems segment and $90.1 million in the Security & Storage segment).