Other Matters - Sale of Certain Railcars (Details) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
May 16, 2025
USD ($)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2026
USD ($)
|
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations | |||
| Total number of railcars sold | 193 | ||
| Total consideration | $ 14.4 | $ 6.7 | |
| (Gain) loss on disposal or impairment of assets, net | $ (5.5) | ||
| Loss on disposal, statement of income or comprehensive income [extensible enumeration] | Gain/loss on disposal or impairment of assets, net | ||
| Certain Railcars | |||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations | |||
| Total number of railcars sold | 68 | ||
| Total consideration | $ 2.1 | ||
| (Gain) loss on disposal or impairment of assets, net | $ 0.1 | $ 1.9 | |
| Certain Railcars | |||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations | |||
| Total number of railcars to be sold | 135 |