CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 762.6	$ 615.5
Accounts receivable, net	489.0	385.3
Inventories	378.4	321.3
Other current assets	112.0	51.6
Total current assets	1,742.0	1,373.7
Property, plant and equipment	2,215.0	2,035.5
Less: accumulated depreciation and amortization	1,157.5	1,092.3
Property, plant and equipment, net	1,057.5	943.2
Operating lease right-of-use assets	69.3	68.3
Investments in affiliated companies	207.7	214.7
Goodwill	109.9	111.1
Intangible assets, net	23.0	30.5
Deferred income taxes	48.5	16.0
Pension and other postretirement benefits	16.7	12.9
Other noncurrent assets	39.2	23.4
Total Assets	3,313.8	2,793.8
Current liabilities:
Notes payable and other current debt	44.2	2.3
Accounts payable	232.2	213.1
Pension and other postretirement benefits	2.4	2.3
Accrued salaries, wages and benefits	116.3	106.0
Income taxes payable	26.3	26.0
Operating lease liabilities	9.3	10.1
Other current liabilities	163.4	143.6
Total current liabilities	594.1	503.4
Long-term debt	208.8	252.9
Deferred income taxes	4.9	10.4
Pension and other postretirement benefits	40.5	57.5
Operating lease liabilities	63.0	60.4
Deferred compensation benefits	28.9	22.9
Other long-term liabilities	38.2	31.8
Total Liabilities	978.4	939.3
Commitments and contingencies
Equity:
Preferred stock, 3.0 million shares authorized; 0.0 shares issued and outstanding in 2021 and 2020	0.0	0.0
Common stock, par value $0.25 per share; 200 million shares authorized; shares issued: 75.3 million in 2021 and 2020; shares outstanding: 74.2 million and 74.0 million in 2021 and 2020	18.8	18.8
Capital in excess of par value	249.0	267.3
Retained earnings	2,456.7	1,846.7
Accumulated other comprehensive loss	(159.6)	(110.6)
Treasury stock, at cost (1.1 million and 1.3 million shares in 2021 and 2020)	(229.5)	(167.7)
Total Equity	2,335.4	1,854.5
Total Liabilities and Equity	$ 3,313.8	$ 2,793.8