Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 59.7	$ 32.6
Accounts receivable, net	236.2	229.0
Inventories, net	260.3	232.8
Current deferred tax assets and other current assets	96.9	81.3
Total current assets	653.1	575.7
Property, plant and equipment	1,574.9	1,459.2
Less accumulated depreciation	(579.6)	(544.8)
Property, plant and equipment, net	995.3	914.4
Goodwill and intangible assets	60.9	57.8
Investments in affiliated companies	22.3	22.6
Deferred tax assets	14.0	15.4
Other assets	15.8	17.2
Total assets	1,761.4	1,603.1
Current liabilities:
Short-term borrowings and current maturities of debt	4.8	16.6
Accounts payable	108.3	115.7
Accrued liabilities	130.2	103.0
Total current liabilities	243.3	235.3
Long-term debt	262.0	240.0
Other non-current liabilities	136.3	133.7
Total liabilities	641.6	609.0
Stockholders' equity:
Common stock, $0.01 par value, 200.0 shares authorized, 103.9 and 102.4 shares issued at September 30, 2013 and December 31, 2012, respectively	1.0	1.0
Additional paid-in capital	644.9	617.0
Retained earnings	589.0	448.2
Accumulated other comprehensive loss	(17.5)	(31.9)
Total stockholders' equity including treasury stock value	1,217.4	1,034.3
Less - Treasury stock, at cost, 4.3 shares at September 30, 2013 and 2.5 shares at December 31, 2012	(97.6)	(40.2)
Total stockholders' equity	1,119.8	994.1
Total liabilities and stockholders' equity	$ 1,761.4	$ 1,603.1