CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 207.1	$ 255.3
Accounts receivable, net	189.5	179.0
Inventories	183.4	181.5
Deferred income taxes	8.7	7.8
Other current assets	36.4	35.7
Total current assets	625.1	659.3
Property, plant and equipment	1,349.1	1,390.8
Less accumulated depreciation and amortization	673.3	685.0
Property, plant and equipment, net	675.8	705.8
Investments in affiliated companies	59.3	60.6
Goodwill	104.4	108.6
Deferred income taxes	64.1	66.1
Intangible assets, net	40.2	42.0
Other noncurrent assets	27.1	28.5
Total Assets	1,596.0	1,670.9
Current liabilities:
Notes payable and other current debt	98.8	27.2
Accounts payable	88.5	103.1
Pension and other postretirement benefits	2.5	2.6
Accrued salaries, wages and benefits	38.8	52.9
Income taxes payable	15.0	14.9
Other current liabilities	53.0	51.8
Total current liabilities	296.6	252.5
Long-term debt	231.9	309.5
Deferred income taxes	15.4	15.7
Pension and other postretirement benefits	61.4	83.7
Other long-term liabilities	49.6	52.6
Total Liabilities	654.9	714.0
Commitments and contingencies (Note 13)
Equity:
Preferred stock, 3.0 million shares authorized; 0 shares issued and outstanding	0	0
Common stock, $0.25 par value; 100.0 million shares authorized; issued: 72.0 million and 71.4 million; outstanding: 71.9 million and 71.3 million	18.0	17.8
Capital in excess of par value	170.4	160.2
Retained earnings	927.2	902.2
Accumulated other comprehensive loss	(170.3)	(119.2)
Treasury stock, at cost (0.1 million and 0.1 million shares)	(4.2)	(4.1)
Total Equity	941.1	956.9
Total Liabilities and Equity	$ 1,596.0	$ 1,670.9