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Acquisitions and Dispositions, Germany Automotive Businesses Held for Sale (Details)
$ in Millions
3 Months Ended 12 Months Ended
Oct. 31, 2023
USD ($)
Business
Dec. 31, 2023
Business
Mar. 31, 2024
USD ($)
Business
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Disposition of Germany Automotive Businesses [Abstract]          
Number of automotive businesses sold | Business 3 3 3    
Gain on sale of businesses     $ 4.0 $ 0.0 $ (6.6)
Write-off of net actuarial gains     0.6    
Three Germany Automotive Businesses [Member]          
Disposition of Germany Automotive Businesses [Abstract]          
Gain on sale of businesses     4.0    
Write-off of net actuarial gains     0.6    
Net sales of disposal group     $ 54.2 $ 79.0  
Three Germany Automotive Businesses [Member] | Maximum [Member]          
Disposition of Germany Automotive Businesses [Abstract]          
Net transaction price for sale of disposal group $ 1.0