Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 51.3	$ 44.2
Accounts receivable, net	265.1	211.9
Inventories, net	278.9	290.4
Income tax receivables	15.7	12.6
Prepaid expenses and other current assets	72.5	54.2
Total current assets	683.5	613.3
Property, plant and equipment, net	1,045.7	965.0
Right-of-use assets	126.8	117.9
Goodwill	0.0	71.5
Intangible assets, net	15.8	18.5
Investment in equity method affiliates	11.9	8.0
Deferred income tax assets	58.1	21.6
Other assets	22.1	41.5
Total non-current assets	1,280.4	1,244.0
Total assets	1,963.9	1,857.3
Current liabilities
Accounts payable	181.4	156.2
Current portion of long-term debt and other financial liabilities	329.6	258.8
Accrued liabilities	37.9	39.5
Income taxes payable	21.1	4.8
Other current liabilities	65.3	57.4
Total current liabilities	635.3	516.7
Long-term debt, net	680.6	647.0
Employee benefit plan obligation	67.0	58.5
Deferred income tax liabilities	42.8	36.5
Other liabilities	136.4	123.7
Total non-current liabilities	926.8	865.7
Commitments and contingencies
Stockholders' equity
Common stock	85.3	85.3
Treasury stock, at cost, 4,842,553 and 3,749,887	(90.3)	(82.2)
Additional paid-in capital	77.4	84.7
Retained earnings	403.3	457.0
Accumulated other comprehensive loss	(73.9)	(69.9)
Total stockholders' equity	401.8	474.9
Total liabilities and stockholders' equity	$ 1,963.9	$ 1,857.3