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Acquisitions and Dispositions, Disposition of Two Coatings Facilities (Details)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 19, 2023
Facility
Sep. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Disposition of Two Coatings Facilities [Abstract]      
Number of coatings facilities sold | Facility 2    
Two Coatings Facilities [Member]      
Disposition of Two Coatings Facilities [Abstract]      
Net sales of disposed businesses     $ 6.4
Goodwill attributable to disposed businesses written off   $ 0.7  
Two Coatings Facilities [Member] | Maximum [Member]      
Disposition of Two Coatings Facilities [Abstract]      
Gain on sale of disposed businesses   $ 0.1