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Property, Plant and Equipment (Tables)
 12 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment, including depreciable lives, consisted of the following:

 
March 31,
  
   
2023
    
2022
  
Land
  
$
16.4
    
$
16.8
  
Buildings and improvements (10-40 years)
    
264.0
      
264.6
  
Machinery and equipment (3-15 years)
    
853.3
      
869.4
  
Office equipment (3-10 years)
    
93.6
      
96.2
  
Construction in progress
    
47.5
      
31.2
  
     
1,274.8
      
1,278.2
  
Less: accumulated depreciation
    
(960.3
)
    
(962.8
)
Net property, plant and equipment
  
$
314.5
    
$
315.4