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Derivative Instruments (Narratives) (Details) - USD ($)
9 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Derivatives, Fair Value [Line Items]    
Payments to Acquire Property, Plant, and Equipment $ (5,904,000) $ 6,761,000
Reclassify Next Year [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Instruments in Hedges, at Fair Value, Net 984,000  
Designated as Hedging Instrument | Cross Currency Interest Rate Contract [Member]    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount 153,820,000  
Derivative Instruments in Hedges, at Fair Value, Net 684,000  
Designated as Hedging Instrument | Foreign exchange contracts    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount 294,000  
Derivative Instruments in Hedges, at Fair Value, Net 10,000  
Designated as Hedging Instrument | Interest Rate Swap [Member]    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount $ 134,888,000  
Maximum [Member]    
Derivatives, Fair Value [Line Items]    
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate 50.00%  
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate 70.00%  
Minimum [Member]    
Derivatives, Fair Value [Line Items]    
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate 30.00%  
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate 50.00%