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POSTRETIREMENT BENEFITS (Tables)
 12 Months Ended
Dec. 31, 2013
POSTRETIREMENT BENEFITS Disclosure [Abstract]  
Postretirement plan change in benefit obligation
 
December 31, 2013
 
December 31, 2012
 
($ in millions)
 
($ in millions)
Change in Benefit Obligation
U.S.
 
Foreign
 
Total
 
U.S.
 
Foreign
 
Total
Benefit obligation at beginning of year
$
65.5

 
$
9.5

 
$
75.0

 
$
63.3

 
$
11.6

 
$
74.9

Service cost
1.2

 
0.1

 
1.3

 
1.1

 
0.1

 
1.2

Interest cost
2.2

 
0.4

 
2.6

 
2.7

 
0.4

 
3.1

Actuarial (gain) loss
(1.5
)
 
(0.4
)
 
(1.9
)
 
7.4

 
(2.5
)
 
4.9

Benefits paid
(8.4
)
 
(0.4
)
 
(8.8
)
 
(9.0
)
 
(0.4
)
 
(9.4
)
Currency translation adjustments
—

 
(0.6
)
 
(0.6
)
 
—

 
0.3

 
0.3

Benefit obligation at end of year
$
59.0

 
$
8.6

 
$
67.6

 
$
65.5

 
$
9.5

 
$
75.0


 
December 31, 2013
 
December 31, 2012
 
($ in millions)
 
($ in millions)
 
U.S.
 
Foreign
 
Total
 
U.S.
 
Foreign
 
Total
Funded status
$
(59.0
)
 
$
(8.6
)
 
$
(67.6
)
 
$
(65.5
)
 
$
(9.5
)
 
$
(75.0
)
Amounts recognized in consolidated balance sheet
Amounts recognized in the consolidated balance sheets consisted of:

 
December 31, 2013
 
December 31, 2012
 
($ in millions)
 
($ in millions)
 
U.S.
 
Foreign
 
Total
 
U.S.
 
Foreign
 
Total
Accrued benefit in current liabilities
$
(5.4
)
 
$
(0.3
)
 
$
(5.7
)
 
$
(5.8
)
 
$
(0.3
)
 
$
(6.1
)
Accrued benefit in noncurrent liabilities
(53.6
)
 
(8.3
)
 
(61.9
)
 
(59.7
)
 
(9.2
)
 
(68.9
)
Accumulated other comprehensive loss
34.1

 
(1.2
)
 
32.9

 
39.2

 
(0.8
)
 
38.4

Net balance sheet impact
$
(24.9
)
 
$
(9.8
)
 
$
(34.7
)
 
$
(26.3
)
 
$
(10.3
)
 
$
(36.6
)
Components of net periodic benefit cost
 
Years Ended December 31,
Components of Net Periodic Benefit Cost
2013
 
2012
 
2011
 
($ in millions)
Service cost
$
1.3

 
$
1.2

 
$
1.3

Interest cost
2.6

 
3.1

 
3.5

Amortization of prior service cost
(0.1
)
 
(0.1
)
 
(0.2
)
Recognized actuarial loss
3.7

 
3.2

 
3.2

Net periodic benefit cost
$
7.5

 
$
7.4

 
$
7.8

 
 
 
 
 
 
Included in Other Comprehensive Loss (Pretax)
 
 
 
 
 
Liability adjustment
$
(1.9
)
 
$
4.8

 
$
5.0

Amortization of prior service costs and actuarial losses
(3.6
)
 
(3.1
)
 
(3.0
)
Schedule of actuarial assumption
 
December 31,
Weighted Average Assumptions:
2013
 
2012
 
2011
Discount rate—periodic benefit cost
3.6
%
 
4.6
%
 
4.9
%
Discount rate—benefit obligation
4.3
%
 
3.6
%
 
4.6
%
Assumed healthcare cost trend rates
The assumed healthcare cost trend rates for pre-65 retirees were as follows:

 
December 31,
 
2013
 
2012
Healthcare cost trend rate assumed for next year
9.0
%
 
9.0
%
Rate that the cost trend rate gradually declines to
5.0
%
 
5.0
%
Year that the rate reaches the ultimate rate
2021

 
2020
Effects of one percent change in the assumed health care cost trend rates
 A one-percentage-point change in assumed healthcare cost trend rates would have the following effects:

 
One-Percentage
Point Increase
 
One-Percentage
Point Decrease
 
($ in millions)
Effect on total of service and interest costs
$
0.2

 
$
(0.2
)
Effect on postretirement benefit obligation
3.4

 
(2.9
)