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Commitments And Contingencies - Rollforward of Environmental Liability and Related Assets (Detail) (USD $) In Millions, unless otherwise specified | 9 Months Ended
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Sep. 30, 2012
Environmental Liability And Related Assets [Line items] |
Environmental liability - Beginning balance | $ 101.8
Continuing operations, Liability | 4.0
Discontinued operations, Liability | (0.7)
Accruals added during the period for new matters, Liability |
Payments, Liability | (7.8)
Environmental liability - Ending balance | 97.3
Continuing operations | 6.5
Discontinued operations | 1.4
Accruals added during the period for new matters |
Payments, Asset | (0.1)
Environmental liability - Asset, Ending balance | 7.8
Environmental liability - Net, Beginning balance | 101.8
Continuing Operation, Net | (2.5)
Discontinued operations, Net | (2.1)
Accruals added during the period, Net |
Payments, Net | (7.7)
Environmental liability - Net, Ending balance | $ 89.5

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- Definition Accrual for environmental loss contingencies increase decrease for revision in estimates related to continuing operation. + References No definition available. + Details
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- Definition Accrual for environmental loss contingencies increase decrease for revision in estimates related to discontinued operation. + References No definition available. + Details
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- Definition Change in estimated environmental pre existing related accruals or assets for continuing operation net. + References No definition available. + Details
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- Definition Change in estimated environmental pre existing related accruals or assets for discontinued operation net. + References No definition available. + Details
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- Definition Change in estimated environmental Pre existing related assets for continuing operation. + References No definition available. + Details
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- Definition Change in estimated environmental pre existing related assets for discontinued operation. + References No definition available. + Details
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- Details
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- Definition Estimated environmental related assets. + References No definition available. + Details
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- Definition Estimated environmental related assets acquired. + References No definition available. + Details
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- Definition Estimated environmental related assets or accruals acquired net. + References No definition available. + Details
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- Definition Estimated environmental related assets payment. + References No definition available. + Details
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 96-1 -Paragraph 161 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 + Details
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- Definition Present value of the accrual for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 96-1 -Paragraph 161, 132 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q1) -URI http://asc.fasb.org/extlink&oid=6572457&loc=d3e149879-122751 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section Y -Paragraph Question 1 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 + Details
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- Definition The amount added to the accrual for newly incurred environmental loss contingencies. These additions include remediation expense and interest accretion. These additions do not relate to changes in the environmental accrual related to a business acquisition or divestiture, to currency movements, or revisions in previously existing estimates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=6572457&loc=d3e149879-122751 + Details
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