Income Taxes (Summary Of Income Tax Examinations Years) (Details)	3 Months Ended
Mar. 31, 2012
United States [Member]
Income tax years subject to examination	2003, 2008 through 2011
Germany [Member]
Income tax years subject to examination	2007 through 2011
France [Member]
Income tax years subject to examination	2007 through 2011
Japan [Member]
Income tax years subject to examination	2005 through 2011
Ireland [Member]
Income tax years subject to examination	2006 through 2011

Identification, by major jurisdiction, of tax years that remain open to examination under enacted tax laws.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 48

-Paragraph 21

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration