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SEGMENT INFORMATION (Tables)
3 Months Ended
Mar. 31, 2024
Segment Reporting [Abstract]  
Segment Information
 Three Months Ended March 31,
20242023
Segment Detail($ in millions)
Sales
Chlor Alkali Products and Vinyls$884.6 $1,117.1 
Epoxy341.3 360.7 
Winchester409.4 366.5 
Total sales$1,635.3 $1,844.3 
Income before Taxes  
Chlor Alkali Products and Vinyls$76.6 $245.9 
Epoxy(11.8)21.4 
Winchester72.2 61.0 
Corporate/Other:
Environmental expense(5.8)(3.2)
Other corporate and unallocated costs(25.8)(34.3)
Restructuring charges(8.3)(60.9)
Other operating income0.2 0.5 
Interest expense(44.6)(42.4)
Interest income0.8 1.1 
Non-operating pension income6.8 5.7 
Income before taxes$60.3 $194.8 
Disaggregation of Revenue
 Three Months Ended March 31,
 20242023
Segment Sales by Geography($ in millions)
Chlor Alkali Products and Vinyls
United States$635.6 $766.5 
Europe35.8 72.4 
Other foreign213.2 278.2 
Total Chlor Alkali Products and Vinyls884.6 1,117.1 
Epoxy
United States171.3 151.6 
Europe89.3 96.6 
Other foreign80.7 112.5 
Total Epoxy341.3 360.7 
Winchester
United States382.1 329.9 
Europe6.9 7.9 
Other foreign20.4 28.7 
Total Winchester409.4 366.5 
Total
United States1,189.0 1,248.0 
Europe132.0 176.9 
Other foreign314.3 419.4 
Total sales$1,635.3 $1,844.3 
 Three Months Ended March 31,
 20242023
Segment Sales by Product Line($ in millions)
Chlor Alkali Products and Vinyls
Caustic soda$355.7 $546.8 
Chlorine, chlorine-derivatives and other products528.9 570.3 
Total Chlor Alkali Products and Vinyls884.6 1,117.1 
Epoxy
Aromatics and allylics154.9 142.3 
Epoxy resins186.4 218.4 
Total Epoxy341.3 360.7 
Winchester
Commercial242.8 200.5 
Military and law enforcement(1)
166.6 166.0 
Total Winchester409.4 366.5 
Total sales$1,635.3 $1,844.3 
(1)    For the three months ended March 31, 2024 and 2023, revenue recognized over time represented $19.8 million and $22.7 million, respectively, associated with governmental contracts within our Winchester business.