RESTRUCTURING CHARGES (Details Textuals)
$ in Millions |
3 Months Ended |
6 Months Ended |
15 Months Ended |
31 Months Ended |
80 Months Ended |
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Jun. 30, 2017
USD ($)
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Mar. 31, 2017
USD ($)
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Jun. 30, 2016
USD ($)
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Mar. 31, 2016
USD ($)
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Jun. 30, 2017
USD ($)
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Jun. 30, 2016
USD ($)
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Jun. 30, 2017
USD ($)
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Jun. 30, 2017
USD ($)
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Jun. 30, 2017
USD ($)
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Dec. 31, 2016
USD ($)
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Mar. 21, 2016
T
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Dec. 31, 2015
USD ($)
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Dec. 12, 2014
T
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Dec. 31, 2011
USD ($)
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| Restructuring Cost and Reserve [Line Items] |
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| Restructuring charges |
$ 8.5
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$ 8.2
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$ 8.2
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$ 92.8
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$ 16.7
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$ 101.0
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$ 166.3
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| Inception to date Amounts Utilized (cash) |
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63.6
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| Inception to date Amounts Utilized (non-cash) |
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84.6
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| Accrued restructuring costs |
17.3
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17.4
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17.3
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17.4
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$ 17.3
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$ 17.3
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17.3
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$ 12.7
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$ 6.7
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| Chlor Alkali Products and Vinyls Capacity Reductions |
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| Restructuring Cost and Reserve [Line Items] |
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| Total Product Segment Production Capacity Decrease | T |
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433,000
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| Henderson Product Segment Production Capacity Decrease | T |
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153,000
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| Niagara Product Segment Production Capacity | T |
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300,000
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| Reduced Niagara Segment Production Capacity | T |
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240,000
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| Freeport Product Segment Production Capacity Decrease | T |
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220,000
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| Restructuring charges |
7.4
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7.9
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14.9
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100.1
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126.2
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| Additional restructuring and related expected cost |
25.0
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25.0
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25.0
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25.0
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25.0
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| Chlor Alkali Products Becancour |
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| Restructuring Cost and Reserve [Line Items] |
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| Restructuring charges |
1.1
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0.1
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1.8
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0.4
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14.6
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| Additional restructuring and related expected cost |
5.0
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5.0
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5.0
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5.0
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5.0
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| Tonnage reduction in chlor alkali manufacutring capactiy (in tons) | T |
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185,000
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| Winchester Segment |
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| Restructuring Cost and Reserve [Line Items] |
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| Restructuring charges |
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$ 0.2
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$ 0.5
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25.5
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| Estimated Project Cost For Plant Relocation |
110.0
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110.0
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110.0
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110.0
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110.0
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| Estimated Capital Spending For Facility Relocation |
$ 80.0
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$ 80.0
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$ 80.0
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$ 80.0
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$ 80.0
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| Government Grants for Facility Relocation Capital Spending |
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$ 31.0
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