Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 18.3	$ 32.6
Accounts receivable, net	269.1	229.0
Inventories, net	245.9	232.8
Current deferred tax assets and other current assets	65.8	81.3
Total current assets	599.1	575.7
Property, plant and equipment	1,480.0	1,459.2
Less accumulated depreciation	(549.1)	(544.8)
Property, plant and equipment, net	930.9	914.4
Goodwill and intangible assets	57.2	57.8
Investments in affiliated companies	22.6	22.6
Deferred tax assets	14.4	15.4
Other assets	13.8	17.2
Total assets	1,638.0	1,603.1
Current liabilities:
Short-term borrowings and current maturities of debt	15.4	16.6
Accounts payable	125.2	115.7
Accrued liabilities	106.7	103.0
Total current liabilities	247.3	235.3
Long-term debt	258.5	240.0
Other non-current liabilities	121.8	133.7
Total liabilities	627.6	609.0
Stockholders' equity:
Common stock, $0.01 par value, 200.0 shares authorized, 103.5 and 102.4 shares issued at March 31, 2013 and December 31, 2012, respectively	1.0	1.0
Additional paid-in capital	632.5	617.0
Retained earnings	491.8	448.2
Accumulated other comprehensive loss	(52.5)	(31.9)
Total stockholders' equity including treasury stock value	1,072.8	1,034.3
Less - Treasury stock, at cost, 3.3 shares at March 31, 2013 and 2.5 shares at December 31, 2012	(62.4)	(40.2)
Total stockholders' equity	1,010.4	994.1
Total liabilities and stockholders' equity	$ 1,638.0	$ 1,603.1