CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 667.7	$ 762.6
Accounts receivable, net	498.7	489.0
Inventories	416.5	378.4
Other current assets	107.6	112.0
Total current assets	1,690.5	1,742.0
Property, plant and equipment	2,237.0	2,215.0
Less: accumulated depreciation and amortization	1,171.1	1,157.5
Property, plant and equipment, net	1,065.9	1,057.5
Operating lease right-of-use assets	75.6	69.3
Investments in affiliated companies	208.1	207.7
Goodwill	108.8	109.9
Intangible assets, net	21.8	23.0
Deferred income taxes	66.4	48.5
Pension and other postretirement benefits	17.1	16.7
Other noncurrent assets	40.5	39.2
Total Assets	3,294.7	3,313.8
Current liabilities:
Notes payable and other current debt	44.2	44.2
Accounts payable	248.2	232.2
Pension and other postretirement benefits	2.4	2.4
Accrued salaries, wages and benefits	77.5	116.3
Income taxes payable	34.7	26.3
Operating lease liabilities	9.8	9.3
Other current liabilities	168.0	163.4
Total current liabilities	584.8	594.1
Long-term debt	208.3	208.8
Deferred income taxes	3.3	4.9
Pension and other postretirement benefits	38.7	40.5
Operating lease liabilities	68.9	63.0
Deferred compensation benefits	26.3	28.9
Other long-term liabilities	38.2	38.2
Total Liabilities	968.5	978.4
Commitments and contingencies
Equity:
Preferred stock, 3.0 million shares authorized; 0 shares issued and outstanding	0.0	0.0
Common stock, par value $0.25 per share; 200.0 million shares authorized; shares issued: 75.3 million in 2022 and 2021; shares outstanding: 74.1 million and 74.2 million	18.8	18.8
Capital in excess of par value	219.9	249.0
Retained earnings	2,617.3	2,456.7
Accumulated other comprehensive loss	(182.4)	(159.6)
Treasury stock, at cost (1.2 million and 1.1 million shares)	(347.4)	(229.5)
Total Equity	2,326.2	2,335.4
Total Liabilities and Equity	$ 3,294.7	$ 3,313.8