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EMPLOYEE BENEFIT PLANS (Tables)
9 Months Ended
Sep. 30, 2018
Retirement Benefits [Abstract]  
Components of Net Pension Expense
The following table provides interim information as to our domestic and foreign defined benefit pension plans:
 
 
Nine Months Ended 
 September 30,
 
Three Months Ended 
 September 30,
 
2018
 
2017
 
2018
 
2017
Components of net pension expense
 
 
 
 
 
 
 
Service cost
$
3.1

 
$
3.8

 
$
1.1

 
$
1.3

Interest cost
6.1

 
8.3

 
2.0

 
2.7

Expected return on plan assets
(8.8
)
 
(10.1
)
 
(3.0
)
 
(3.4
)
Recognized net actuarial loss
2.1

 
3.5

 
.7

 
1.2

Net pension expense
$
2.5

 
$
5.5

 
$
.8

 
$
1.8