v2.4.0.6

COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |  | 3 Months Ended |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2013 item | Mar. 31, 2012 | Dec. 31, 2012 | Mar. 31, 2013 Minimum | Mar. 31, 2013 Maximum | Mar. 31, 2013 Lake Charles, LA facility | Dec. 31, 2012 Calcasieu River Estuary and plant sites item | Mar. 31, 2013 Calcasieu River Estuary and plant sites | Mar. 31, 2013 Natrium, West Virginia facility
Environmental Matters |  |  |  |  |  |  |  |  |
Accrual of remediation costs | $ 52.1 |  | $ 7.2 |  |  | $ 15.7 | $ 7.2 | $ 13.2 | $ 14.1
Current reserves for environmental contingencies | 3.8 |  |  |  |  |  |  |  |
Number of plant site locations | 2 |  |  |  |  |  | 4 |  |
Pre-tax charges against income for environmental remediation | 1 | 1 |  |  |  |  |  |  |
Expected cash outlays for environmental remediation through 2015 |  |  |  | 10 | 20 |  |  |  |
Cash outlays for environmental remediation from 2016 through 2017 |  |  |  | 3 | 5 |  |  |  |
Accrual of remediation costs in non-current liabilities |  |  |  |  |  | $ 3.0 |  |  |

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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FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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AICPA -Name Statement of Position (SOP) -Number 96-1 -Paragraph 161 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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