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SEGMENT INFORMATION
 3 Months Ended
Mar. 31, 2018
Segment Reporting [Abstract]  
SEGMENT INFORMATION
SEGMENT INFORMATION

We define segment results as income (loss) before interest expense, interest income, other operating income (expense), non-operating pension income and income taxes, and include the operating results of non-consolidated affiliates. Consistent with the guidance in ASC 280 “Segment Reporting,” we have determined it is appropriate to include the operating results of non-consolidated affiliates in the relevant segment financial results. We have three operating segments: Chlor Alkali Products and Vinyls, Epoxy and Winchester. The three operating segments reflect the organization used by our management for purposes of allocating resources and assessing performance. Chlorine used in our Epoxy segment is transferred at cost from the Chlor Alkali Products and Vinyls segment. Sales and profits are recognized in the Chlor Alkali Products and Vinyls segment for all caustic soda generated and sold by Olin. Sales are attributed to geographic areas based on customer location.

 
Three Months Ended March 31,
 
2018
 
2017
Sales:
($ in millions)
Chlor Alkali Products and Vinyls
$
936.1

 
$
836.9

Epoxy
603.3

 
567.6

Winchester
170.9

 
162.6

Total sales
$
1,710.3

 
$
1,567.1

Income (loss) before taxes:
 
 
 
Chlor Alkali Products and Vinyls
$
130.5

 
$
87.5

Epoxy
(22.1
)
 
(1.2
)
Winchester
12.0

 
25.1

Corporate/other:
 
 
 
Environmental expense
(2.3
)
 
(2.6
)
Other corporate and unallocated costs
(36.5
)
 
(31.6
)
Restructuring charges
(4.0
)
 
(8.2
)
Acquisition-related costs
(0.3
)
 
(7.0
)
Other operating income (expense)
8.1

 
(0.4
)
Interest expense
(63.7
)
 
(52.4
)
Interest income
0.4

 
0.2

Non-operating pension income
5.4

 
8.5

Income before taxes
$
27.5

 
$
17.9



For the three months ended March 31, 2018, we recognized an insurance recovery of $8.0 million in other operating income (expense) for a second quarter 2017 business interruption at our Freeport, Texas vinyl chloride monomer facility.
 
Three Months Ended
 
March 31, 2018
 
Chlor Alkali Products and Vinyls
 
Epoxy
 
Winchester
 
Total
Primary geographical markets:
($ in millions)
     United States
$
608.1

 
$
180.4

 
$
158.6

 
$
947.1

     Europe
45.8

 
278.5

 
1.0

 
325.3

Other foreign
282.2

 
144.4

 
11.3

 
437.9

          Total Sales
$
936.1

 
$
603.3

 
$
170.9

 
$
1,710.3


 
Three Months Ended
 
March 31, 2017
 
Chlor Alkali Products and Vinyls
 
Epoxy
 
Winchester
 
Total
Primary geographical markets:
($ in millions)
     United States
$
556.7

 
$
163.2

 
$
155.2

 
$
875.1

     Europe
29.2

 
269.6

 
0.8

 
299.6

     Other foreign
251.0

 
134.8

 
6.6

 
392.4

          Total Sales
$
836.9

 
$
567.6

 
$
162.6

 
$
1,567.1


 
 
Three Months Ended March 31,
 
 
2018
 
2017
Major product lines:
 
($ in millions)
     Chlor Alkali Products and Vinyls
 
 
 
 
          Caustic soda
 
$
504.8

 
$
405.3

          Chlorine, chlorine derivatives and other co-products
 
431.3

 
431.6

               Total Chlor Alkali Products and Vinyls
 
936.1

 
836.9

     Epoxy
 
 
 
 
          Phenolics and allylics
 
308.4

 
299.4

          Epoxy resins
 
294.9

 
268.2

               Total Epoxy
 
603.3

 
567.6

     Winchester
 
 
 
 
          Commercial
 
111.2

 
117.9

          Military and law enforcement
 
59.7

 
44.7

               Total Winchester
 
170.9

 
162.6

          Total Sales
 
$
1,710.3

 
$
1,567.1