Income Taxes (U.S. Federal Statutory Rate) (Details)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Tax Disclosure [Abstract]
U.S. Federal statutory rate	35.00%	35.00%	35.00%
U.S. state and local income taxes—net of U.S. Federal income tax benefit	1.60%	1.90%	1.30%
Differences related to non-U.S. operations	(6.50%)	(9.50%)	(15.90%)
Change in Unrecognized Tax Benefits	(0.10%)	(0.20%)	(16.80%)
Other	0.10%	(0.70%)	0.20%
Effective tax rate	30.10%	26.50%	3.80%