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v3.25.3

Debt - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Oct. 28, 2025 | Apr. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |  |  |  |  |  |
Loss on extinguishment of debt |  | $ 0.8 | $ 1.5 |  |  |  |
Corporate Segment [Member] | Senior Notes due 2028 | 7.75% Senior Notes Due 2028 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 7.75% |  |  |  |  |
Corporate Segment [Member] | Revolving Credit Facility [Member] | Line of Credit [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  | $ 600.0 |  |  |  |  |
Proceeds from Lines of Credit |  | 230.0 |  |  |  |  |
Repayments of Lines of Credit |  | 140.0 |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 502.7 |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.50% |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 5.78% |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  | 0.20% |  |  |  |  |
Long-term Line of Credit |  | $ 90.0 |  |  |  |  | $ 0.0
Corporate Segment [Member] | Letter of Credit [Member] | Line of Credit [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Letters of Credit Outstanding, Amount |  | 7.3 |  |  |  |  |
TILC [Member] | Leasing & Services | Revolving Credit Facility [Member] | Line of Credit [Member] | TILC Warehouse Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  | 800.0 |  |  |  |  |
Proceeds from Lines of Credit |  | 329.5 |  |  |  |  |
Repayments of Lines of Credit |  | 116.5 |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 2.4 |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.75% |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 6.03% |  |  |  |  |
Long-term Line of Credit |  | $ 797.6 |  |  |  |  | 584.6
Repayments of Debt |  | $ 75.8 |  |  |  |  |
TILC [Member] | Leasing & Services | Revolving Credit Facility [Member] | Line of Credit [Member] | TILC Warehouse Facility [Member] | Subsequent Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of Debt | $ 259.0 |  |  |  |  |  |
Wholly-owned subsidiaries | Leasing & Services | 2010 Secured Railcar Equipment Notes | Subsequent Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 5.19% |  |  |
Repayments of Debt | $ 133.8 |  |  |  |  |  |
Wholly-owned subsidiaries | Leasing & Services | Line of Credit [Member] | TRL-2023 Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.50% |  |  |  |  |
Long-term Line of Credit |  | $ 1,038.4 |  |  | $ 1,050.0 | $ 320.7 | $ 323.4
Payments of Debt Issuance Costs |  | $ 5.6 |  |  |  |  |
Wholly-owned subsidiaries | Leasing & Services | Promissory Notes [Member] | 2017 Secured Railcar Equipment Notes [Member] [Domain] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.50% |  |  |  |  |
Repayments of Debt |  | $ 616.0 |  |  |  |  |
Loss on extinguishment of debt |  | $ 0.8 |  |  |  |  |
Wholly-owned subsidiaries | Leasing & Services | Secured Debt [Member] | TRL-2025 Secured Railcar Equipment Notes | Subsequent Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 5.09% |  |  |
Debt Instrument, Face Amount |  |  |  | $ 498.6 |  |  |
Wholly-owned subsidiaries | Leasing & Services | Secured Debt [Member] | TRL-2025 Class B Secured Railcar Equipment Notes | Subsequent Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 5.30% |  |  |
Debt Instrument, Face Amount |  |  |  | $ 36.6 |  |  |
Minimum | Corporate Segment [Member] | Revolving Credit Facility [Member] | Line of Credit [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  | 0.175% |  |  |  |  |
Maximum | Corporate Segment [Member] | Revolving Credit Facility [Member] | Line of Credit [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  | 0.40% |  |  |  |  |

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