CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 205.9	$ 274.6
Accounts receivable, net	209.5	181.4
Inventories	201.1	181.1
Other current assets	41.6	36.6
Total current assets	658.1	673.7
Property, plant and equipment	1,551.1	1,440.3
Less: accumulated depreciation and amortization	778.4	719.3
Property, plant and equipment, net	772.7	721.0
Investments in affiliated companies	81.4	61.3
Goodwill	105.2	104.6
Deferred income taxes	70.7	70.5
Intangible assets, net	24.4	37.6
Other noncurrent assets	22.8	26.4
Total Assets	1,735.3	1,695.1
Current liabilities:
Notes payable and other current debt	2.6	69.3
Accounts payable	99.0	119.8
Pension and other postretirement benefits	5.7	5.6
Accrued salaries, wages and benefits	58.9	53.0
Income taxes payable	3.2	12.8
Other current liabilities	67.4	53.8
Total current liabilities	236.8	314.3
Long-term debt	228.6	228.9
Deferred income taxes	15.2	12.4
Pension and other postretirement benefits	62.5	62.0
Other long-term liabilities	49.9	53.6
Total Liabilities	593.0	671.2
Commitments and contingencies (Note 14)
Equity:
Preferred stock, 3.0 million shares authorized; 0 shares issued and outstanding	0.0	0.0
Common stock, $0.25 par value; 100.0 million shares authorized; issued: 73.5 million and 72.4 million; outstanding: 73.2 million and 72.3 million	18.4	18.1
Capital in excess of par value	247.6	207.8
Retained earnings	1,041.9	964.6
Accumulated other comprehensive loss	(143.8)	(162.6)
Treasury stock, at cost (0.3 million and 0.1 million shares)	(21.8)	(4.0)
Total Equity	1,142.3	1,023.9
Total Liabilities and Equity	$ 1,735.3	$ 1,695.1