Leases (Components of our right-of-use assets) (Details) - USD ($) |
Dec. 31, 2025 |
Mar. 31, 2025 |
|---|---|---|
| Finance Lease [Abstract] | ||
| Buildings and Improvements | $ 72,557 | $ 71,330,000 |
| Furniture and equipment | 61 | 61,000 |
| Rental trailers and other rental equipment | 9,192 | 58,071,000 |
| Rental trucks | 80,722 | 309,475,000 |
| Right-of-use assets, gross | 162,532 | 438,937,000 |
| Less: Accumulated depreciation | (91,282) | (254,214,000) |
| Right of use assets, net | 71,250 | 184,723,000 |
| Finance Lease [Member] | ||
| Finance Lease [Abstract] | ||
| Furniture and equipment | 61 | 61,000 |
| Rental trailers and other rental equipment | 9,192 | 58,071,000 |
| Rental trucks | 80,722 | 309,475,000 |
| Right-of-use assets, gross | 89,975 | 367,607,000 |
| Less: Accumulated depreciation | (59,414) | (228,909,000) |
| Right of use assets, net | 30,561 | 138,698,000 |
| Operating Lease [Member] | ||
| Finance Lease [Abstract] | ||
| Buildings and Improvements | 72,557 | 71,330,000 |
| Right-of-use assets, gross | 72,557 | 71,330,000 |
| Less: Accumulated depreciation | (31,868) | (25,305,000) |
| Right of use assets, net | $ 40,689 | $ 46,025,000 |