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RESTRUCTURING CHARGE (Tables) | 12 Months Ended
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Dec. 31, 2013
Restructuring and Related Activities [Abstract] |
Schedule of major components of the restructuring actions | The following table summarizes the 2013, 2012 and 2011 activity by major component of these 2010 restructuring actions and the remaining balances of accrued restructuring costs as of December 31, 2013:
| Employee severance and job related benefits |  | Pension and other postretirement benefits curtailment |  | Lease and other contract termination costs |  | Employee relocation costs |  | Facility exit costs |  | Total
|  |  | ($ in millions)
Balance January 1, 2011 | $ | 6.0 |  |  | $ | — |  |  | $ | 1.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 7.0 |
2011 restructuring charges | 6.4 |  |  | 1.1 |  |  | — |  |  | 2.2 |  |  | 1.0 |  |  | 10.7 |
Amounts utilized | (1.1 | ) |  | (1.1 | ) |  | (0.2 | ) |  | (2.2 | ) |  | (1.0 | ) |  | (5.6 | )
Balance at December 31, 2011 | 11.3 |  |  | — |  |  | 0.8 |  |  | — |  |  | — |  |  | 12.1 |
2012 restructuring charges | 4.1 |  |  | — |  |  | 0.1 |  |  | 2.2 |  |  | 2.1 |  |  | 8.5 |
Amounts utilized | (1.9 | ) |  | — |  |  | (0.5 | ) |  | (2.2 | ) |  | (2.1 | ) |  | (6.7 | )
Balance at December 31, 2012 | 13.5 |  |  | — |  |  | 0.4 |  |  | — |  |  | — |  |  | 13.9 |
2013 restructuring charges (credits) | 0.4 |  |  | — |  |  | (0.4 | ) |  | 0.6 |  |  | 4.9 |  |  | 5.5 |
Amounts utilized | (3.7 | ) |  | — |  |  | — |  |  | (0.6 | ) |  | (4.9 | ) |  | (9.2 | )
Balance at December 31, 2013 | $ | 10.2 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 10.2 |
Schedule of Restructuring and Related Costs [Table Text Block] | The following table summarizes the cumulative restructuring charges of these 2010 restructuring actions by major component through December 31, 2013:
|  | Chlor Alkali Products |  | Winchester |  | Total
|  | ($ in millions)
Write-off of equipment and facility |  | $ | 17.5 |  |  | $ | — |  |  | $ | 17.5 |
Employee severance and job related benefits |  | 4.7 |  |  | 12.2 |  |  | 16.9 |
Facility exit costs |  | 13.2 |  |  | 1.4 |  |  | 14.6 |
Pension and other postretirement benefits curtailment |  | — |  |  | 4.1 |  |  | 4.1 |
Employee relocation costs |  | 0.7 |  |  | 4.4 |  |  | 5.1 |
Lease and other contract termination costs |  | 0.7 |  |  | — |  |  | 0.7 |
Total cumulative restructuring charges |  | $ | 36.8 |  |  | $ | 22.1 |  |  | $ | 58.9 |
As of December 31, 2013, we have incurred cash expenditures of $20.4 million and non-cash charges of $28.3 million related to these restructuring actions. The remaining balance of $10.2 million is expected to be paid out in 2014 through 2016.

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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