RESTRUCTURING CHARGE (Tables)
 9 Months Ended
Sep. 30, 2014
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
The following table summarizes the activity by major component of these 2010 restructuring actions and the remaining balances of accrued restructuring costs as of September 30, 2014:
 
 
Employee severance and job related benefits
 
Lease and other contract termination costs
 
Employee relocation costs
 
Facility exit costs
 
Write-off of equipment and facility
 
Total
 
 
($ in millions)
Balance at January 1, 2013
$
13.5

 
$
0.4

 
$
—

 
$
—

 
$
—

 
$
13.9

 
Restructuring charges (credits):
 
 
 
 
 
 
 
 
 
 
 
 
First quarter
0.6

 
—

 
0.1

 
1.6

 
—

 
2.3

 
Second quarter
(0.7
)
 
—

 
0.3

 
0.6

 
—

 
0.2

 
Third quarter
0.2

 
(0.4
)
 
0.2

 
1.6

 
—

 
1.6

 
Amounts utilized
(2.8
)
 
—

 
(0.6
)
 
(3.8
)
 
—

 
(7.2
)
Balance at September 30, 2013
$
10.8

 
$
—

 
$
—

 
$
—

 
$
—

 
$
10.8

Balance at January 1, 2014
$
10.2

 
$
—

 
$
—

 
$
—

 
$
—

 
$
10.2

 
Restructuring charges:
 
 
 
 
 
 
 
 
 
 
 
 
First quarter
0.2

 
—

 
0.1

 
0.7

 
—

 
1.0

 
Second quarter
1.2

 
—

 
—

 
0.8

 
0.3

 
2.3

 
Third quarter
0.5

 
—

 
0.3

 
0.4

 
—

 
1.2

 
Amounts utilized
(1.9
)
 
—

 
(0.4
)
 
(1.9
)
 
(0.3
)
 
(4.5
)
Balance at September 30, 2014
$
10.2

 
$
—

 
$
—

 
$
—

 
$
—

 
$
10.2
Restructuring and Related Costs [Table Text Block]
The following table summarizes the cumulative restructuring charges of these 2010 restructuring actions by major component through September 30, 2014:
 
Chlor Alkali Products
 
Winchester
 
Total
 
($ in millions)
Write-off of equipment and facility
$
17.8

 
$
—

 
$
17.8

Employee severance and job related benefits
5.6

 
13.2

 
18.8

Facility exit costs
14.8

 
1.7

 
16.5

Pension and other postretirement benefits curtailment
—

 
4.1

 
4.1

Employee relocation costs
0.9

 
4.6

 
5.5

Lease and other contract termination costs
0.7

 
—

 
0.7

Total cumulative restructuring charges
$
39.8

 
$
23.6

 
$
63.4