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Leases (Operating Leases Weighted Average Remaining Lease Term and Discount Rate) (Details)
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Operating Leases Remaining Lease Term And Weighted Average Discount Rate [Abstract]    
Remaining Lease Term Operating Lease Weighted Average 16.5 14.7
Operating Lease Weighted Average Discount Rate Percent 4.60% 4.60%