Income Taxes Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]
U.S. federal statutory rate	35.00%	35.00%	35.00%
Permanent differences	12.40%	1.60%	3.10%
State and local income taxes, net of federal income tax	(3.40%)	0.90%	(4.70%)
International rate differential, including tax holidays	(54.20%)	(3.30%)	17.00%
Foreign valuation allowances	(4.90%)	1.30%	(0.10%)
Impairments	46.50%	0.00%	(44.60%)
Adjustments for uncertain tax positions	(1.80%)	4.70%	(1.40%)
Restructuring Charges	(9.20%)	(10.60%)	0.00%
Tax credits and other	(16.50%)	(2.20%)	2.10%
Effective rate	3.90%	27.40%	6.40%