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Benefit Plans
 6 Months Ended
Jun. 30, 2019
Benefit Plans [Abstract]  
Benefit Plans

Note 12.  Benefit Plans


The Company and its subsidiaries have pension plans covering the majority of eligible employees on a contributory or non-contributory basis. The Company also provides postretirement health care and life insurance benefits for the majority of its U.S. retired employees. Disclosures for the U.S. plans have been combined with those outside of the U.S. as the international plans do not have significantly different assumptions, and together represent less than 25% of our total benefit obligation.

Components of Net Periodic Benefit Cost


  
Pension Benefits
  
   
Three Months Ended
    
Six Months Ended
  
(millions of dollars)
  
June 30,
2019
    
July 1,
2018
    
June 30,
2019
    
July 1,
2018
  
                         
Service cost
  
$
1.8
    
$
2.0
    
$
3.6
    
$
3.9
  
Interest cost
    
3.6
      
3.0
      
7.1
      
6.1
  
Expected return on plan assets
    
(4.6
)
    
(4.8
)
    
(9.2
)
    
(9.6
)
Amortization:
                                
Prior service cost
    
0.1
      
0.1
      
0.2
      
0.2
  
Recognized net actuarial loss
    
2.3
      
2.7
      
4.6
      
5.5
  
Net periodic benefit cost
  
$
3.2
    
$
3.0
    
$
6.3
    
$
6.1
  


 
Other Benefits
  
   
Three Months Ended
    
Six Months Ended
  
(millions of dollars)
  
June 30,
2019
    
July 1,
2018
    
June 30,
2019
    
July 1,
2018
  
                         
Service cost
  
$
0.1
    
$
0.1
    
$
0.1
    
$
0.1
  
Interest cost
    
—
      
—
      
0.1
      
0.1
  
Amortization:
                                
Prior service cost
    
—
      
(0.2
)
    
—
      
(0.4
)
Recognized net actuarial (gain) loss
    
(0.2
)
    
(0.2
)
    
(0.4
)
    
(0.4
)
Net periodic benefit cost
  
$
(0.1
)
  
$
(0.3
)
  
$
(0.2
)
  
$
(0.6
)


Amortization amounts of prior service costs and recognized net actuarial losses are recorded, net of tax, as increases to accumulated other comprehensive income.


The Company expects to contribute approximately $9.7 million to its pension plans and $0.3 million to its other postretirement benefit plans in 2019. As of June 30, 2019, $3.1 million has been contributed to the pension plans and less than $0.1 million has been contributed to the other postretirement benefit plans.