v3.26.3
Consolidated Balance Sheets - USD ($)
shares in Millions, $ in Millions
Sep. 30, 2026
Dec. 31, 2025
ASSETS    
Cash and cash equivalents $ 158.3 $ 201.3
Receivables, net of allowance 358.4 389.1
Income tax receivable 13.7 27.5
Inventories:    
Raw materials and supplies 279.4 243.7
Work in process 167.9 100.8
Finished goods 84.5 124.6
Inventory, Net 531.8 469.1
Restricted cash, including partially-owned subsidiary of $— and $9.9 119.7 122.3
Property, plant, and equipment, at cost, including partially-owned subsidiary of $— and $523.9 8,967.0 9,258.3
Less accumulated depreciation, including partially-owned subsidiary of $— and $205.3 2,573.3 2,637.0
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization 6,393.7 6,621.3
Goodwill 221.5 221.5
Other assets 546.9 372.3
Total assets 8,344.0 8,424.4
Liabilities and Equity [Abstract]    
Accounts payable 294.5 269.6
Accrued liabilities 271.7 301.2
Debt: 5,325.0 5,442.5
Deferred income taxes 1,193.4 1,129.0
Other liabilities 128.6 136.8
Total liabilities $ 7,213.2 $ 7,279.1
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]    
Preferred Stock, Shares Authorized 1.5 1.5
Preferred Stock, Shares Subscribed but Unissued 1.5 1.5
Preferred stock – 1.5 shares authorized and unissued $ 0.0 $ 0.0
Common Stock, Shares Authorized 400.0 400.0
Common stock – 400.0 shares authorized $ 0.8 $ 0.8
Capital in excess of par value 6.3 0.0
Retained earnings 1,127.2 1,081.5
Accumulated other comprehensive income (loss) 17.5 (4.2)
Treasury stock (23.5) (0.9)
Trinity stockholders' equity 1,128.3 1,077.2
Noncontrolling interest 2.5 68.1
Total stockholders' equity 1,130.8 1,145.3
Total liabilities and stockholders' equity 8,344.0 8,424.4
Recourse    
Liabilities and Equity [Abstract]    
Debt: 598.9 598.5
Nonrecourse    
Liabilities and Equity [Abstract]    
Debt: 4,726.1 4,844.0
Wholly-owned subsidiaries | Nonrecourse    
Liabilities and Equity [Abstract]    
Debt: 4,726.1 4,573.4
Wholly-owned subsidiaries | Nonrecourse | Leasing & Services    
Liabilities and Equity [Abstract]    
Debt: 4,726.1 4,573.4
Partially-owned subsidiaries | Leasing & Services    
Inventories:    
Restricted cash, including partially-owned subsidiary of $— and $9.9 0.0 9.9
Property, plant, and equipment, at cost, including partially-owned subsidiary of $— and $523.9 0.0 523.9
Less accumulated depreciation, including partially-owned subsidiary of $— and $205.3 0.0 205.3
Partially-owned subsidiaries | Nonrecourse    
Liabilities and Equity [Abstract]    
Debt: 0.0 270.6
Partially-owned subsidiaries | Nonrecourse | Leasing & Services    
Liabilities and Equity [Abstract]    
Debt: $ 0.0 $ 270.6