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Long-Term Debt - Narrative (Details) - USD ($)
9 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Repayments of long-term debt $ 0 $ 400,000,000
Interest rate swaps | Designated as Hedging Instrument    
Debt Instrument [Line Items]    
Derivative, notional amount 400,000,000.0  
Revolving Credit Facility | 2012 ABL Revolver    
Debt Instrument [Line Items]    
Repayments of long-term debt 0  
Borrowing capacity $ 123,300,000