v3.26.1
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Current assets:    
Cash and cash equivalents $ 25.7 $ 33.2
Restricted cash 2.5 3.8
Accounts and other receivables, net 374.4 287.8
Inventories, net 549.3 628.6
Prepaid expenses and other 36.6 41.1
Total current assets 988.5 994.5
Other assets:    
Restricted cash 5.4 5.5
Marketable securities 2.1 1.8
Operating lease right-of-use assets 19.0 19.9
Deferred income taxes 32.8 35.8
Goodwill 2.6 2.6
Other 35.3 32.4
Total other assets 97.2 98.0
Property and equipment:    
Land 78.6 79.3
Buildings 274.5 279.8
Equipment 1,439.3 1,459.1
Mining properties 138.6 134.2
Construction in progress 48.5 44.5
Gross property and equipment 1,979.5 1,996.9
Less accumulated depreciation and amortization 1,266.9 1,272.6
Net property and equipment 712.6 724.3
Total assets 1,798.3 1,816.8
Current liabilities:    
Accounts payable and accrued liabilities 296.8 354.4
Income taxes 14.2 14.4
Total current liabilities 311.0 368.8
Noncurrent liabilities:    
Long-term debt 602.7 557.4
Accrued pension costs 76.4 80.9
Operating lease liabilities 14.9 15.7
Deferred income taxes 15.4 15.2
Other 32.9 27.7
Total noncurrent liabilities 742.3 696.9
Stockholders' equity:    
Common stock 1.2 1.2
Additional paid-in capital 1,390.4 1,390.4
Retained deficit (355.5) (344.9)
Accumulated other comprehensive loss (291.1) (295.6)
Total stockholders' equity 745.0 751.1
Total liabilities and stockholders' equity $ 1,798.3 $ 1,816.8