RESTRUCTURING CHARGES (Tables)
 6 Months Ended
Jun. 30, 2017
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve by Type of Cost
The following table summarizes the 2017 and 2016 activities by major component of these restructuring actions and the remaining balances of accrued restructuring costs as of June 30, 2017 and 2016:
 
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, 2016
$
4.6

 
$
2.1

 
$
—

 
$
—

 
$
—

 
$
6.7

Restructuring charges:
 
 
 
 
 
 
 
 
 
 
 
First quarter
3.9

 
9.2

 
0.2

 
2.9

 
76.6

 
92.8

Second quarter
0.2

 
—

 
0.8

 
7.2

 
—

 
8.2

Amounts utilized
(3.6
)
 
(1.3
)
 
(1.0
)
 
(7.9
)
 
(76.6
)
 
(90.4
)
Currency translation adjustments
—

 
0.1

 
—

 
—

 
—

 
0.1

Balance at June 30, 2016
$
5.1

 
$
10.1

 
$
—

 
$
2.2

 
$
—

 
$
17.4

Balance at January 1, 2017
$
3.4

 
$
7.5

 
$
—

 
$
1.8

 
$
—

 
$
12.7

Restructuring charges:
 
 
 
 
 
 
 
 
 
 
 
First quarter
—

 
5.7

 
0.2

 
2.3

 
—

 
8.2

Second quarter
—

 
5.8

 
0.1

 
2.6

 
—

 
8.5

Amounts utilized
(2.6
)
 
(2.6
)
 
(0.3
)
 
(6.6
)
 
—

 
(12.1
)
Balance at June 30, 2017
$
0.8

 
$
16.4

 
$
—

 
$
0.1

 
$
—

 
$
17.3
Restructuring and Related Costs
The following table summarizes the cumulative restructuring charges of these 2016, 2014 and 2010 restructuring actions by major component through June 30, 2017:
 
 
Chlor Alkali Products and Vinyls
 
Winchester
 
Total
 
 
Becancour
 
Capacity Reductions
 
 
 
 
($ in millions)
Write-off of equipment and facility
 
$
3.5

 
$
76.6

 
$
—

 
$
80.1

Employee severance and job related benefits
 
2.7

 
5.1

 
13.1

 
20.9

Facility exit costs
 
3.1

 
17.8

 
2.3

 
23.2

Pension and other postretirement benefits curtailment
 
—

 
—

 
4.1

 
4.1

Employee relocation costs
 
—

 
1.7

 
6.0

 
7.7

Lease and other contract termination costs
 
5.3

 
25.0

 
—

 
30.3

Total cumulative restructuring charges
 
$
14.6

 
$
126.2

 
$
25.5

 
$
166.3