RESTRUCTURING CHARGES (Details Textuals)
$ in Millions |
3 Months Ended |
9 Months Ended |
18 Months Ended |
34 Months Ended |
83 Months Ended |
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Sep. 30, 2017
USD ($)
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Jun. 30, 2017
USD ($)
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Mar. 31, 2017
USD ($)
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Sep. 30, 2016
USD ($)
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Jun. 30, 2016
USD ($)
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Mar. 31, 2016
USD ($)
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Sep. 30, 2017
USD ($)
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Sep. 30, 2016
USD ($)
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Sep. 30, 2017
USD ($)
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Sep. 30, 2017
USD ($)
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Sep. 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 |
$ 9.2
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$ 8.5
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$ 8.2
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$ 5.2
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$ 8.2
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$ 92.8
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$ 25.9
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$ 106.2
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$ 175.5
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| Inception to date Amounts Utilized (cash) |
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68.2
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| Inception to date Amounts Utilized (non-cash) |
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84.6
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| Accrued restructuring costs |
21.9
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11.9
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21.9
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11.9
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$ 21.9
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$ 21.9
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21.9
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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 |
8.8
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4.9
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23.7
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105.0
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135.0
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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 |
0.4
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0.1
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2.2
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0.4
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15.0
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| Additional restructuring and related expected cost |
4.0
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4.0
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4.0
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4.0
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4.0
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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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$ 0.3
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$ 0.8
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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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