Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 56.7	$ 32.6
Accounts receivable, net	246.1	229.0
Inventories, net	251.7	232.8
Current deferred tax assets and other current assets	71.8	81.3
Total current assets	626.3	575.7
Property, plant and equipment	1,521.0	1,459.2
Less accumulated depreciation	(560.2)	(544.8)
Property, plant and equipment, net	960.8	914.4
Goodwill and intangible assets	57.4	57.8
Investments in affiliated companies	23.3	22.6
Deferred tax assets	13.9	15.4
Other assets	13.3	17.2
Total assets	1,695.0	1,603.1
Current liabilities:
Short-term borrowings and current maturities of debt	5.0	16.6
Accounts payable	114.2	115.7
Accrued liabilities	94.5	103.0
Total current liabilities	213.7	235.3
Long-term debt	309.0	240.0
Other non-current liabilities	131.1	133.7
Total liabilities	653.8	609.0
Stockholders' equity:
Common stock, $0.01 par value, 200.0 shares authorized, 103.8 and 102.4 shares issued at June 30, 2013 and December 31, 2012, respectively	1.0	1.0
Additional paid-in capital	640.1	617.0
Retained earnings	540.3	448.2
Accumulated other comprehensive loss	(42.7)	(31.9)
Total stockholders' equity including treasury stock value	1,138.7	1,034.3
Less - Treasury stock, at cost, 4.3 shares at June 30, 2013 and 2.5 shares at December 31, 2012	(97.5)	(40.2)
Total stockholders' equity	1,041.2	994.1
Total liabilities and stockholders' equity	$ 1,695.0	$ 1,603.1