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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Changes in Net Carrying Amount of Goodwill | The following table presents the changes in the net carrying value of goodwill by reportable segment:
(US$ in thousands) |  | Spine |  |  | Orthopedics |  |  | Total |
At December 31, 2010 |  | $ | 41,458 |  |  | $ | 32,140 |  |  | $ | 73,598 |
Foreign currency |  |  | (39 | ) |  |  | (465 | ) |  |  | (504 | )
At December 31, 2011 |  |  | 41,419 |  |  |  | 31,675 |  |  |  | 73,094 |
Foreign currency |  |  | 145 |  |  |  | 1,149 |  |  |  | 1,294 |
At December 31, 2012 |  | $ | 41,564 |  |  | $ | 32,824 |  |  | $ | 74,388 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -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. + Details
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