Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 49.5	$ 117.2
Accounts receivable, net	199.3	173.9
Inventories, net	215.7	169.9
Prepaid expenses and other current assets	59.8	36.7
Total current assets	524.3	497.7
Property, plant and equipment, net	722.1	598.3
Goodwill and other intangible assets	57.4	56.2
Investments in affiliated companies	21.7	19.9
Deferred tax assets	33.0	63.6
Other assets	17.6	22.4
Total assets	1,376.1	1,258.1
Current liabilities:
Short-term borrowings and current maturities of long-term debt	12.6	27.6
Accounts payable	141.7	83.0
Accrued compensation and benefits	57.5	50.5
Accrued interest	2.7	6.9
Other accrued liabilities	33.0	37.9
Total current liabilities	247.5	205.9
Long-term notes payable and capital lease obligations	238.3	304.6
Long-term retirement obligations	68.5	61.9
Other non-current liabilities	19.6	26.3
Total liabilities	573.9	598.7
Commitments and contingencies (see Note 14)
Stockholders' equity:
Common stock, $0.01 par value, 200.0 shares of stock authorized, 101.0 and 99.5 shares of stock issued at December 31, 2011 and 2010, respectively	1.0	1.0
Additional paid-in capital	589.2	552.3
Retained earnings	283.9	148.4
Accumulated other comprehensive loss	(39.8)	(15.1)
Total stockholders' equity including treasury stock value	834.3	686.6
Less: Treasury stock, at cost, 2.2 shares at December 31, 2011 and 2010, respectively	(32.1)	(27.2)
Total stockholders' equity	802.2	659.4
Total liabilities and stockholders' equity	$ 1,376.1	$ 1,258.1