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Change in Net Carrying Amount of Goodwill by Segment (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2013
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Goodwill [Line Items] |
Accumulated impairment losses | $ 541.4
Advanced Material Windows & Door Systems |
Goodwill [Line Items] |
Accumulated impairment losses | 451.3
Security & Storage |
Goodwill [Line Items] |
Accumulated impairment losses | $ 90.1

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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration