Consolidated Balance Sheets (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2009
Current assets
Cash and cash equivalents	$ 440,700,000	$ 177,800,000	$ 369,000,000
Accounts receivable, net	420,700,000	267,200,000
Inventory	2,410,800,000	2,630,900,000
Deferred tax asset-current	57,100,000	52,200,000
Other current assets	26,100,000	27,700,000
Total current assets	3,355,400,000	3,155,800,000
Property, plant and equipment, net	1,698,500,000	1,615,700,000
Pension assets	78,400,000	118,800,000
Deferred tax asset non-current, net	192,000,000	55,700,000
Other assets	91,000,000	96,400,000
Total assets	5,415,300,000	5,042,400,000
Current liabilities
Accounts payable	659,000,000	559,400,000
Accrued expenses	216,300,000	200,800,000
Profit sharing	28,300,000	23,500,000
Current portion of long-term debt	10,300,000	48,900,000
Advance payments, short-term	70,700,000	8,800,000
Deferred revenue, short-term	18,400,000	28,500,000
Deferred Grant Income Liability Current	6,900,000	6,100,000
Other current liabilities	57,100,000	37,500,000
Total current liabilities	1,067,000,000	913,500,000
Long-term debt	1,165,900,000	1,152,000,000
Advance payments, long-term	833,600,000	655,900,000
Pension/OPEB obligation	75,600,000	84,200,000
Deferred Grant Income Liability Noncurrent	116,600,000	121,800,000
Deferred revenue and other deferred credits	30,800,000	34,700,000
Other liabilities	128,900,000	115,600,000
Equity
Preferred stock, par value $0.01, 10,000,000 shares authorized, no shares issued	0	0
Additional paid-in capital	1,012,300,000	995,900,000
Accumulated other comprehensive loss	(145,200,000)	(126,200,000)
Retained earnings	1,127,900,000	1,093,100,000
Total shareholders' equity	1,996,400,000	1,964,200,000
Noncontrolling interest	500,000	500,000
Total equity	1,996,900,000	1,964,700,000
Total liabilities and equity	5,415,300,000	5,042,400,000
Class A [Member]
Equity
Common stock	1,200,000	1,200,000
Class B
Equity
Common stock	$ 200,000	$ 200,000