Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Income Taxes [Line Items]
Tax benefit due to expiration of U.S. federal statutes of limitations	$ (74,800,000)
Domestic and foreign net operating loss carryforwards	75,100,000	26,100,000
Other tax carryforwards	264,200,000	280,100,000
Net operating loss and other carryforwards expiring between 2012 and 2021	179,600,000
Deferred tax liabilities related to foreign earnings	3,000,000
Cash payments for income taxes	106,500,000	181,100,000	198,900,000
Cash refunds for income taxes	11,200,000	52,000,000	164,100,000
Income tax benefit associated with dispositions of employee stock options	(3,600,000)	(1,100,000)	0
Changes in other comprehensive income tax provisions related to change in fair value of derivatives	400,000	300,000	1,500,000
Changes in other comprehensive income tax provisions related to change in pension and postretirement plans	(182,800,000)	26,600,000	(36,200,000)
Unrecognized tax benefits	76,400,000	157,100,000	176,400,000	162,900,000
Unrecognized tax benefits that would impact effective tax rate	53,400,000
Estimated decrease in unrecognized tax benefits in next 12 months	43,200,000
Total interest expense related to remaining tax uncertainties	(24,000,000)	1,900,000	6,200,000
Penalty amounts recognized	(2,500,000)	900,000	700,000
Accrued interest related to income tax uncertainties	13,400,000	52,500,000
Accrued penalties related to income tax uncertainties	3,900,000	6,700,000
Aggregate effect on income tax expense as a result of the "tax holiday" agreements	7,900,000	8,100,000	10,600,000
Latin America [Member]
Income Taxes [Line Items]
Valuation allowance on deferred tax assets, benefit		(19,300,000)
International [Member]
Income Taxes [Line Items]
Reorganization related expense within International segment			$ 15,600,000