Income Taxes (Open Tax Years By Major Jurisdictions) (Details)	12 Months Ended
	Dec. 31, 2013
Minimum | United States
Income Tax Contingency [Line Items]
Open tax years by major jurisdictions	2002
Minimum | Germany
Income Tax Contingency [Line Items]
Open tax years by major jurisdictions	2009
Minimum | Russia
Income Tax Contingency [Line Items]
Open tax years by major jurisdictions	2009
Maximum | United States
Income Tax Contingency [Line Items]
Open tax years by major jurisdictions	2012
Maximum | Germany
Income Tax Contingency [Line Items]
Open tax years by major jurisdictions	2012
Maximum | Russia
Income Tax Contingency [Line Items]
Open tax years by major jurisdictions	2012