CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 853.9	$ 894.3
Accounts receivable, net	512.0	507.4
Inventories	434.7	414.8
Other current assets	135.8	103.0
Total current assets	1,936.4	1,919.5
Property, plant and equipment	2,738.0	2,386.6
Less: accumulated depreciation and amortization	1,324.7	1,228.3
Property, plant and equipment, net	1,413.3	1,158.3
Operating lease right-of-use assets	99.2	104.4
Investments in affiliated companies	210.0	204.9
Goodwill	108.5	107.3
Intangible assets, net	15.1	18.4
Deferred income taxes	25.7	65.6
Other noncurrent assets	21.3	38.4
Total Assets	3,829.5	3,616.8
Current liabilities:
Notes payable and other current debt	134.0	2.2
Accounts payable	242.4	215.4
Accrued salaries, wages and benefits	105.9	76.8
Income taxes payable	16.6	24.8
Operating lease liabilities	17.7	16.0
Other current liabilities	155.2	183.8
Total current liabilities	671.8	519.0
Long-term debt	72.8	206.7
Deferred income taxes	12.7	14.3
Pension and other postretirement benefits	29.6	28.2
Operating lease liabilities	84.5	93.0
Deferred compensation benefits	18.6	19.1
Other long-term liabilities	58.5	51.6
Total Liabilities	948.5	931.9
Commitments and contingencies (Note 18)
Equity:
Preferred stock, 3.0 million shares authorized; 0.0 shares issued and outstanding in 2023 and 2022	0.0	0.0
Common stock, par value $0.25 per share; 200 million shares authorized; shares issued: 75.3 million in 2023 and 2022; shares outstanding: 73.5 million and 74.1 million in 2023 and 2022	18.8	18.8
Capital in excess of par value	120.2	232.2
Retained earnings	3,523.4	2,987.8
Accumulated other comprehensive loss	(143.8)	(183.0)
Treasury stock, at cost (1.8 million and 1.2 million shares in 2023 and 2022)	(637.6)	(370.9)
Total Equity	2,881.0	2,684.9
Total Liabilities and Equity	$ 3,829.5	$ 3,616.8