CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 335.3	$ 439.1
Accounts receivable, net	333.0	319.3
Inventories	251.0	235.7
Other current assets	58.2	64.6
Total current assets	977.5	1,058.7
Property, plant and equipment	1,816.9	1,820.1
Less: accumulated depreciation and amortization	988.6	980.8
Property, plant and equipment, net	828.3	839.3
Operating lease right-of-use assets	68.5	70.1
Investments in affiliated companies	197.7	192.7
Goodwill	106.9	107.8
Intangible assets, net	28.1	29.8
Deferred income taxes	12.3	14.0
Pension and other postretirement benefits	5.2	4.3
Other noncurrent assets	22.0	24.7
Total Assets	2,246.5	2,341.4
Current liabilities:
Notes payable and other current debt	2.3	2.3
Accounts payable	157.9	156.8
Pension and other postretirement benefits	2.2	2.2
Accrued salaries, wages and benefits	61.2	73.0
Income taxes payable	13.9	6.4
Operating lease liabilities, current	9.4	9.6
Other current liabilities	97.5	91.3
Total current liabilities	344.4	341.6
Long-term debt	254.4	255.0
Deferred income taxes	5.6	15.5
Pension and other postretirement benefits	50.7	52.5
Operating lease liabilities, noncurrent	61.2	62.4
Other long-term liabilities	40.0	41.2
Total Liabilities	756.3	768.2
Commitments and contingencies (Note 15)
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; 100.0 million shares authorized; shares issued: 75.3 million and 75.3 million; shares outstanding: 73.6 million and 74.1 million	18.8	18.8
Capital in excess of par value	267.6	272.7
Retained earnings	1,611.8	1,549.4
Accumulated other comprehensive loss	(192.3)	(149.6)
Treasury stock, at cost (1.7 million and 1.2 million shares)	(215.7)	(118.1)
Total Equity	1,490.2	1,573.2
Total Liabilities and Equity	$ 2,246.5	$ 2,341.4