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Pensions (Tables)
6 Months Ended
Sep. 30, 2023
Pensions [Abstract]  
Pension Cost
Pension cost included the following components:


 
Three months ended
September 30,
   
Six months ended
September 30,
 
   
2023
   
2022
   
2023
   
2022
 
Service cost
 
$
-
   
$
-
   
$
0.1
   
$
0.1
 
Interest cost
   
2.4
     
2.0
     
4.8
     
4.0
 
Expected return on plan assets
   
(2.6
)
   
(2.9
)
   
(5.2
)
   
(5.8
)
Amortization of unrecognized net loss
   
1.2
     
1.5
     
2.3
     
2.9
 
Net periodic benefit cost
 
$
1.0
   
$
0.6
   
$
2.0
   
$
1.2