CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 225.5	$ 235.9
Accounts receivable, net	296.7	253.2
Inventories	208.2	215.2
Other current assets	36.5	39.2
Total current assets	766.9	743.5
Property, plant and equipment	1,737.0	1,745.8
Less: accumulated depreciation and amortization	910.3	890.8
Property, plant and equipment, net	826.7	855.0
Investments in affiliated companies	91.8	85.8
Goodwill	106.6	107.7
Deferred income taxes	38.5	25.7
Intangible assets, net	21.7	21.7
Other noncurrent assets	21.5	23.4
Total Assets	1,873.7	1,862.8
Current liabilities:
Notes payable and other current debt	0.0	0.0
Accounts payable	126.2	138.1
Pension and other postretirement benefits	2.2	2.2
Accrued salaries, wages and benefits	55.1	56.2
Income taxes payable	17.9	6.0
Other current liabilities	86.2	77.0
Total current liabilities	287.6	279.5
Long-term debt	196.4	197.0
Deferred income taxes	11.8	10.4
Pension and other postretirement benefits	53.6	53.4
Other long-term liabilities	42.4	42.6
Total Liabilities	591.8	582.9
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 75.2 million; shares outstanding: 73.5 million and 73.9 million	18.8	18.8
Capital in excess of par value	304.7	309.3
Retained earnings	1,258.0	1,178.2
Accumulated other comprehensive loss	(143.7)	(117.3)
Treasury stock, at cost (1.8 million and 1.3 million shares)	(155.9)	(109.1)
Total Equity	1,281.9	1,279.9
Total Liabilities and Equity	$ 1,873.7	$ 1,862.8