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Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 Minimum [Member] | Sep. 30, 2013 Maximum [Member] | Dec. 31, 2012 German Tax Authority [Member] | Sep. 30, 2013 German Tax Authority [Member]
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Estimated tax rate | 41.00% | 35.40% | 41.00% | 35.40% |  |  |  |
Unrepatriated foreign earnings | $ 0.6 |  | $ 0.6 |  |  |  |  |
Non-U.S. earnings that have been targeted for future repatriation | 4.4 |  | 4.4 |  |  |  |  |
Open tax years |  |  |  |  | 2000 | 2012 |  |
Estimated range of change, upper bound | 0 |  | 0 |  |  |  |  |
Estimated range of change, lower bound | (3.5) |  | (3.5) |  |  |  |  |
Unrecognized tax benefits |  |  |  |  |  |  |  | 23.0
Amounts of tax benefits that would affect effective tax rate if recognized |  |  |  |  |  |  |  | 11.7
Payment to taxing authority to pursue litigation |  |  |  |  |  |  | $ 13.1 |

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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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- Definition The estimated lower bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken. + 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) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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