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v3.25.1

Related Party Transactions (Narratives) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Sac Holdings [Member] |  |  |
Related party costs and expenses: |  |  |
Payments to aquire assets, other | $ 4.6 |  |
Sac Holdings, Four Sac, Five Sac, Galaxy, Privite mini [Member] |  |  |
Related party costs and expenses: |  |  |
Revenue, excluding dealer agreement commissions and expenses | 36.8 | $ 29.7 | $ 29.8
Expenses, related parties | 7.2 | 2.4 | 2.4
Cash flow, related party |  | 27.3 | 27.4
Revenue, generated by the dealer agreement from related parties | 512.8 | 0.5 | 418.9
Commission expenses, generated from dealer agreement with related parties | 106.2 | 82.1 | 88.1
Amerco, Uhaul Intl [Member] |  |  |
Related party notes receivable: |  |  |
Notes receivable, related party | $ 37.1 | $ 37.2 | $ 37.0
Amerco, Uhaul Intl [Member] | Minimum [Member] |  |  |
Property Management Fee [Abstract] |  |  |
Management fee rate | 4.00% |  |
Amerco, Uhaul Intl [Member] | Maximum [Member] |  |  |
Property Management Fee [Abstract] |  |  |
Management fee rate | 10.00% |  |

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- Definition Cash generated from agreements and notes with SAC Holdings, Four SAC, Five SAC, Galaxy and Private Mini, excluding Dealer Agreements. + References No definition available. + Details
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- Definition Amount of cash paid to purchase other assets as part of operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 25 -Subparagraph (g) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 17 -Subparagraph (f) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-17 + Details
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