Income Taxes (Summary Of Income Tax Examination Open Tax Years)	12 Months Ended
	Dec. 31, 2011
Switzerland [Member]
Income Tax Examination [Line Items]
Open Years	2011
Examination in Process	N/A
Germany [Member]
Income Tax Examination [Line Items]
Open Years	2004 - 2011
Examination in Process	2004 - 2007
Singapore [Member]
Income Tax Examination [Line Items]
Open Years	2006 - 2011
Examination in Process	N/A
United States - Federal Income Tax [Member]
Income Tax Examination [Line Items]
Open Years	2005, 2008 - 2011
Examination in Process	2009
United States - various states [Member]
Income Tax Examination [Line Items]
Open Years	2006 - 2011
Examination in Process	N/A