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Derivatives - Narrative (Details) - USD ($)
Sep. 30, 2021
Mar. 31, 2021
Derivative [Line Items]    
Estimate of amount to be reclassified over the next 12 months $ 15,200,000  
Other Current Liabilities    
Derivative [Line Items]    
Fair value of derivative liabilities 15,200,000 $ 17,200,000
Other Noncurrent Liabilities    
Derivative [Line Items]    
Fair value of derivative liabilities   $ 21,000,000
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Swap    
Derivative [Line Items]    
Notional amount of interest rate swaps $ 700,000,000