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Income Taxes (Details 6) | 12 Months Ended
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Dec. 31, 2011
Germany [Member] |
Open tax years by major jurisdiction |
Open tax years by major jurisdiction | 2006
Italy [Member] |
Open tax years by major jurisdiction |
Open tax years by major jurisdiction | 2005
Netherlands [Member] |
Open tax years by major jurisdiction |
Open tax years by major jurisdiction | 2008
United Kingdom [Member] |
Open tax years by major jurisdiction |
Open tax years by major jurisdiction | 2008
United States [Member] |
Open tax years by major jurisdiction |
Open tax years by major jurisdiction | 2007

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- Definition The tax year(s) being audited in connection with the income tax examination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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