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Leases (Finance Leases Weighted Average Remaining Lease Term and Discount Rate) (Details) | 3 Months Ended | 12 Months Ended
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Sep. 30, 2023 | Mar. 31, 2023
Finance Leases Weighted Average Remaining Lease Term And Discount Rate [Abstract] |  |
Remaining Lease Term Finance Lease Weighted Average | 2 | 2
Finance Lease Weighted Average Discount Rate Percent | 4.00% | 3.80%

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