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PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS
 3 Months Ended
Mar. 31, 2016
General Discussion of Pension and Other Postretirement Benefits [Abstract]  
PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS
    PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS
 
The net periodic benefit cost of the Company’s defined benefit pension and post-employment benefit plans includes: 
 
 
Three Months Ended March 31,
 
 
Pension Benefits
 
Other Benefits
(Dollars in millions)
 
2016
 
2015
 
2016
 
2015
Service cost – benefits earned during the period
 
$
0.7

 
$
0.8

 
$
0.3

 
$
0.3

Interest cost on projected benefit obligations
 
3.0

 
3.7

 
0.4

 
0.5

Expected return on plan assets
 
(4.1
)
 
(3.5
)
 
—

 
—

  Net periodic benefit cost
 
$
(0.4
)
 
$
1.0

 
$
0.7

 
$
0.8

Net Actuarial (Gains)/Losses
 
6.1

 
—

 
—

 
—

Total net periodic expense/(benefit)
 
$
5.7

 
$
1.0

 
$
0.7

 
$
0.8


 
The Company remeasures its U.S. pension plan when year-to-date aggregate lump sum settlements exceed anticipated interest costs for the year, and in each subsequent quarter of that fiscal year. During the first quarter of 2016, aggregate lump sum settlements exceeded anticipated annual interest costs for 2016. As such, the Company remeasured its U.S. pension plan in the first quarter of 2016. During the three months ended March 31, 2016, the Company recognized a net actuarial loss of $6.1 million. During the three months ended March 31, 2015, there was no remeasurement, and therefore no actuarial gain or loss was recognized.

For the three months ended March 31, 2016, the Company made no contributions to pension plans. For the three months ended March 31, 2015, the Company made contributions of $1.7 million, primarily to U.S. pension plans.