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Employee Benefit Plans (Actuarial Assumptions for the Pension Plans) (Details) | 12 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Minimum |  |  |
Benefit Obligations: |  |  |
Discount rate (as a percent) | 1.50% | 1.00% |
Estimated rate of compensation increase (as a percent) | 2.25% | 2.25% |
Cash balance interest credit rate (as a percent) | 0.50% | 0.00% |
Net Periodic Costs: |  |  |
Discount rate (as a percent) | 1.50% | 0.50% | 0.25%
Estimated rate of compensation increase (as a percent) | 2.25% | 2.00% | 2.00%
Expected average rate of return on plan assets (as a percent) | 0.50% | 1.00% | 1.00%
Cash balance interest credit rate (as a percent) | 0.50% | 0.00% | 0.00%
Maximum |  |  |
Benefit Obligations: |  |  |
Discount rate (as a percent) | 7.00% | 7.25% |
Estimated rate of compensation increase (as a percent) | 10.00% | 10.00% |
Cash balance interest credit rate (as a percent) | 1.75% | 1.75% |
Net Periodic Costs: |  |  |
Discount rate (as a percent) | 7.25% | 6.75% | 6.00%
Estimated rate of compensation increase (as a percent) | 10.00% | 10.00% | 10.00%
Expected average rate of return on plan assets (as a percent) | 4.50% | 2.50% | 2.25%
Cash balance interest credit rate (as a percent) | 1.75% | 1.75% | 1.75%

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Weighted-average interest crediting rate used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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