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Derivative Financial Instruments: (Details Narrative)
€ in Millions, ¥ in Millions, £ in Millions, $ in Millions
Mar. 31, 2022
USD ($)
Mar. 31, 2022
JPY (¥)
Mar. 31, 2022
GBP (£)
Mar. 31, 2022
EUR (€)
Apr. 30, 2021
USD ($)
Apr. 30, 2021
EUR (€)
Derivative Instruments, Gain (Loss) [Line Items]            
Long-term Line of Credit $ 133     € 120 $ 133  
Long-term Debt, Term 10 years 10 years 10 years 10 years 10 years 10 years
Interest rate swap contract           € 80
Foreign Exchange Contract [Member]            
Derivative Instruments, Gain (Loss) [Line Items]            
Foreign Currency Contracts, Liability, Fair Value Disclosure $ 153 ¥ 150 £ 1      
Euro Member Countries, Euro            
Derivative Instruments, Gain (Loss) [Line Items]            
Long-term Line of Credit           € 120