v3.4.0.3

Goodwill and Other Intangible Assets - Detail of the Changes Made to Goodwill (Detail) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015
Goodwill [Line Items] |  |
Gross goodwill at the beginning of the period | $ 1,926.2 |
Goodwill write-downs from sale of assets | (3.3) |
Foreign currency translation adjustment | 7.4 |
Gross goodwill at the end of the period | 1,930.3 |
Accumulated impairment losses | (1,074.1) | $ (1,074.1)
Net goodwill at the end of the period | 856.2 | 852.1
Chlorovinyls [Member] |  |
Goodwill [Line Items] |  |
Gross goodwill at the beginning of the period | 1,766.0 |
Goodwill write-downs from sale of assets | (3.3) |
Foreign currency translation adjustment | 7.4 |
Gross goodwill at the end of the period | 1,770.1 |
Accumulated impairment losses | (923.7) | (923.7)
Net goodwill at the end of the period | 846.4 | 842.3
Building Products [Member] |  |
Goodwill [Line Items] |  |
Gross goodwill at the beginning of the period | 160.2 |
Gross goodwill at the end of the period | 160.2 |
Accumulated impairment losses | (150.4) | (150.4)
Net goodwill at the end of the period | $ 9.8 | $ 9.8

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- Definition Amount after accumulated impairment loss of 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 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of divestiture of 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 (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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