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Significant Accounting Policies, Disposition of Air-Cooled Automotive Business (Details)
€ in Millions, $ in Millions
12 Months Ended
Mar. 31, 2022
USD ($)
Mar. 31, 2022
EUR (€)
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Mar. 31, 2022
EUR (€)
Disposition of Business [Abstract]          
Loss on sale of business $ (6.6)   $ 0.0 $ 0.8  
Payment for disposition of assets 7.6   (0.7) (6.2)  
Disbursements for loan origination 4.7   0.0 0.0  
Air-Cooled Automotive Business [Member]          
Disposition of Business [Abstract]          
Loss on sale of business (6.6)        
Write-off of net actuarial losses 1.7        
Cash transferred to buyer 5.9        
Payment for disposition of assets $ 2.4        
Net sales     $ 63.0 $ 93.0  
Term of loan receivable 5 years 5 years      
Interest rate 2.60% 2.60%      
Disbursements for loan origination $ 4.7 € 4.0      
Air-Cooled Automotive Business [Member] | Other Noncurrent Assets [Member]          
Disposition of Business [Abstract]          
Loan receivable | €         € 4.0