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Employee Retirement Plans (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Jun. 30, 2022 | Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Defined contribution plan, minimum annual contributions per participating employee (as percent) |  | 1.00% |  |
Defined contribution plan, maximum annual contributions per employee (as percent) |  | 70.00% |  |
Defined contribution plan, cost recognized |  | $ 2,000 | $ 2,000 | $ 1,900
Lump sum settlement of terminated plan | $ 13,800 |  |  |
Payment for settlement, purchase of annuity contract | 31,100 |  |  |
Settlement loss | $ 400 |  |  |
Unrecognized prior service credit |  | $ 0 | $ 0 | $ 0
Contribution Tranche One |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Defined contribution plan, employer matching contribution, percent of match (as percent) |  | 100.00% |  |
Defined contribution plan, employer matching contribution, percent of employees pay (as percent) |  | 3.00% |  |
Contribution Tranche Two |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Defined contribution plan, employer matching contribution, percent of match (as percent) |  | 50.00% |  |
Defined contribution plan, employer matching contribution, percent of employees pay (as percent) |  | 3.00% |  |

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- Definition Defined Benefit Plan, Plan Assets, Payment For Settlement, Lump Sum + References No definition available. + Details
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- Definition Defined Benefit Plan, Plan Assets, Payment For Settlement, Purchase Of Annuity Contract + References No definition available. + Details
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- Definition Defined Contribution Plan, Minimum Annual Contributions Per Participating Employee, Percent + References No definition available. + Details
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (j) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480794/715-70-50-1 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Definition Amount, before tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 15 -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-15 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-11 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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