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Employee Benefit Plans
 3 Months Ended
Mar. 31, 2016
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans
Note 9 — EMPLOYEE BENEFIT PLANS
Components of defined benefit pension plan net periodic gains are as follows: 
 
Three Months Ended March 31,
(In millions)
2016
 
2015
Service cost
$
0.2

 
$
0.4

Interest cost
5.2

 
5.3

Expected return on plan assets
(7.9
)
 
(8.2
)
Net periodic benefit gains
$
(2.5
)
 
$
(2.5
)


Components of post-retirement health care plan benefit costs are as follows:
 
Three Months Ended March 31,
(In millions)
2016
 
2015
Interest cost
$
0.1

 
$
0.1

Net periodic benefit costs
$
0.1

 
$
0.1