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Summary of Significant Accounting Policies - Inventory, Inventory Unreturned and Contract Assets (Details) - USD ($) | 12 Months Ended |
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Mar. 31, 2025 | Mar. 31, 2024
Summary of Significant Accounting Policies [Abstract] |  |
Prior period over which allocations of labor and variable and fixed overhead costs are determined based on average actual use of production facilities | 12 months |
Reserve for excess and obsolete inventory | $ 18,964,000 | $ 17,372,000
Period of normal operating cycle | 1 year |
Maximum [Member] |  |
Summary of Significant Accounting Policies [Abstract] |  |
Percentage of inventory reserve to cost if no liquidation market exists for part | 100.00% |
Amortization period for core premiums | 8 years |
Amortization period for finished goods premiums | 8 years |
Minimum [Member] |  |
Summary of Significant Accounting Policies [Abstract] |  |
Amortization period for core premiums | 6 years |
Amortization period for finished goods premiums | 6 years |

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- Definition The amortization period for core premiums. + References No definition available. + Details
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- Definition The amortization period for finished goods premiums. + References No definition available. + Details
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- Definition Percentage of inventory reserve to cost if no liquidation market exists for part. + References No definition available. + Details
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- Definition Represents the period of normal operating cycle, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Prior period over which the allocations of labor and variable and fixed overhead costs are determined based on the average actual use of the production facilities, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of valuation reserve for inventory. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 330 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.BB) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480581/330-10-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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