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Pensions
 9 Months Ended
Dec. 31, 2019
Pensions [Abstract]  
Pensions
Note 4: Pensions

Pension cost included the following components:

 
  
Three months ended
December 31,
    
Nine months ended
December 31,
  
 
  
2019
    
2018
    
2019
    
2018
  
Service cost
  
$
0.1
    
$
0.2
    
$
0.3
    
$
0.4
  
Interest cost
    
2.3
      
2.4
      
6.8
      
7.2
  
Expected return on plan assets
    
(3.0
)
    
(3.1
)
    
(8.9
)
    
(9.2
)
Amortization of unrecognized net loss
    
1.5
      
1.4
      
4.5
      
4.2
  
Net periodic benefit cost
  
$
0.9
    
$
0.9
    
$
2.7
    
$
2.6
  

During the nine months ended December 31, 2019 and 2018, the Company contributed $2.6 million and $4.6 million, respectively, to its U.S. pension plans.