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Derivative Instruments (Narratives) (Details)
12 Months Ended
Mar. 31, 2022
USD ($)
Counterparty
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Derivatives, Fair Value [Line Items]      
Number of different counterparties | Counterparty 3    
Reclassify Next Year | Estimate of Fair Value Measurement      
Derivatives, Fair Value [Line Items]      
Amount of accumulated other comprehensive loss expected to be reclassified in the next 12 months $ 191,000    
Reclassify Next Year | Reported Value Measurement      
Derivatives, Fair Value [Line Items]      
Amount of accumulated other comprehensive loss expected to be reclassified in the next 12 months 128,000    
Derivatives Designated as Hedging Instruments | Currency Swap [Member]      
Derivatives, Fair Value [Line Items]      
Derivative, Notional Amount 137,650,000    
Derivatives Designated as Hedging Instruments | Commodity Contract      
Derivatives, Fair Value [Line Items]      
Derivative, Notional Amount 6,959,000    
Derivatives Designated as Hedging Instruments | Reclassify Next Year      
Derivatives, Fair Value [Line Items]      
Amount of accumulated other comprehensive loss expected to be reclassified in the next 12 months 389,000    
Derivatives Designated as Hedging Instruments | Interest Rate Swap [Member]      
Derivatives, Fair Value [Line Items]      
Derivative, Notional Amount 300,747,000    
Cost of Sales [Member] | Derivatives Designated as Hedging Instruments | Currency Swap [Member]      
Derivatives, Fair Value [Line Items]      
Amount of Gain or (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives (Effective Portion) 3,548,000 $ (7,793,000) $ 7,654,000
Cost of Sales [Member] | Derivatives Designated as Hedging Instruments | Foreign Exchange Contract [Member]      
Derivatives, Fair Value [Line Items]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net (60,000) 83,000 40,000
Amount of Gain or (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives (Effective Portion) (193,000) (238,000) 303,000
Cost of Sales [Member] | Derivatives Designated as Hedging Instruments | Interest Rate Swap [Member]      
Derivatives, Fair Value [Line Items]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net   (1,463,000)  
Amount of Gain or (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives (Effective Portion) 2,567,000 (521,000) (3,185,000)
Interest Expense [Member] | Derivatives Designated as Hedging Instruments | Currency Swap [Member]      
Derivatives, Fair Value [Line Items]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net 7,925,000 $ (7,268,000) 2,888,000
Interest Expense [Member] | Derivatives Designated as Hedging Instruments | Foreign Exchange Contract [Member]      
Derivatives, Fair Value [Line Items]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net $ (2,020,000)    
Interest Expense [Member] | Derivatives Designated as Hedging Instruments | Interest Rate Swap [Member]      
Derivatives, Fair Value [Line Items]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net     $ 242,000