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Leases (Components of our right-of-use assets) (Details) - USD ($) | Dec. 31, 2024 | Mar. 31, 2024
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Finance Lease [Abstract] |  |
Buildings and Improvements | $ 82,384 | $ 79,317,000
Furniture and equipment | 61 | 61,000
Rental trailers and other rental equipment | 66,083 | 114,607,000
Rental trucks | 388,528 | 607,521,000
Right-of-use assets, gross | 537,056 | 801,506,000
Less: Accumulated depreciation | (319,739) | (458,489,000)
Right of use assets, net | 217,317 | 343,017,000
Finance Lease [Member] |  |
Finance Lease [Abstract] |  |
Furniture and equipment | 61 | 61,000
Rental trailers and other rental equipment | 66,083 | 114,607,000
Rental trucks | 388,528 | 607,521,000
Right-of-use assets, gross | 454,672 | 722,189,000
Less: Accumulated depreciation | (285,855) | (432,884,000)
Right of use assets, net | 168,817 | 289,305,000
Operating Lease [Member] |  |
Finance Lease [Abstract] |  |
Buildings and Improvements | 82,384 | 79,317,000
Right-of-use assets, gross | 82,384 | 79,317,000
Less: Accumulated depreciation | (33,884) | (25,605,000)
Right of use assets, net | $ 48,500 | $ 53,712,000

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