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Revenue (Provision for Doubtful Accounts) (Details)
$ in Millions
 12 Months Ended
Mar. 31, 2022
USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]  
Beginning Balance $ 6.5
Provision for doubtful accounts 5.3
Uncollectible accounts written-off (0.3)
Ending Balance 11.5
Financing Receivable, Allowance for Credit Loss [Line Items]  
Provision for doubtful accounts 5.3
Receivables Impacted By Russia's Invasion Of Ukraine  
Accounts Receivable, Allowance for Credit Loss [Roll Forward]  
Provision for doubtful accounts 5.9
Financing Receivable, Allowance for Credit Loss [Line Items]  
Provision for doubtful accounts $ 5.9