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Income Taxes (Tables) | 9 Months Ended
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Sep. 30, 2013
Activities Related to Unrecognized Tax Benefits for Uncertain Tax Positions | The following table summarizes the activities related to the Company’s unrecognized tax benefits for uncertain tax positions from January 1, 2013 to September 30, 2013:
Opening Balance at January 1, 2013 |  | $ | 21,024 |
Increase related to prior year tax positions, including recorded against goodwill |  |  | 1,503 |
Decrease related to prior year tax positions |  |  | (719 | )
Increase related to current year tax positions |  |  | 1,217 |
Effect of exchange rate changes |  |  | (2,036 | )
Closing Balance at September 30, 2013 |  | $ | 20,989 |

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- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI http://asc.fasb.org/extlink&oid=32707879&loc=d3e36027-109320 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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