CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 894.3	$ 762.6
Accounts receivable, net	507.4	489.0
Inventories	414.8	378.4
Other current assets	103.0	112.0
Total current assets	1,919.5	1,742.0
Property, plant and equipment	2,386.6	2,215.0
Less: accumulated depreciation and amortization	1,228.3	1,157.5
Property, plant and equipment, net	1,158.3	1,057.5
Operating lease right-of-use assets	104.4	69.3
Investments in affiliated companies	204.9	207.7
Goodwill	107.3	109.9
Intangible assets, net	18.4	23.0
Deferred income taxes	65.6	48.5
Pension and other postretirement benefits	0.3	16.7
Other noncurrent assets	38.1	39.2
Total Assets	3,616.8	3,313.8
Current liabilities:
Notes payable and other current debt	2.2	44.2
Accounts payable	215.4	232.2
Pension and other postretirement benefits	2.1	2.4
Accrued salaries, wages and benefits	76.8	116.3
Income taxes payable	24.8	26.3
Operating lease liabilities	16.0	9.3
Other current liabilities	181.7	163.4
Total current liabilities	519.0	594.1
Long-term debt	206.7	208.8
Deferred income taxes	14.3	4.9
Pension and other postretirement benefits	28.2	40.5
Operating lease liabilities	93.0	63.0
Deferred compensation benefits	19.1	28.9
Other long-term liabilities	51.6	38.2
Total Liabilities	931.9	978.4
Commitments and contingencies (Note 18)
Equity:
Preferred stock, 3.0 million shares authorized; 0.0 shares issued and outstanding in 2022 and 2021	0.0	0.0
Common stock, par value $0.25 per share; 200 million shares authorized; shares issued: 75.3 million in 2022 and 2021; shares outstanding: 74.1 million and 74.2 million in 2022 and 2021	18.8	18.8
Capital in excess of par value	232.2	249.0
Retained earnings	2,987.8	2,456.7
Accumulated other comprehensive loss	(183.0)	(159.6)
Treasury stock, at cost (1.2 million and 1.1 million shares in 2022 and 2021)	(370.9)	(229.5)
Total Equity	2,684.9	2,335.4
Total Liabilities and Equity	$ 3,616.8	$ 3,313.8