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INCOME TAXES (JURISDICTIONS OPEN TO TAX EXAMINATIONS TABLE) (DETAILS) | 12 Months Ended
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Dec. 31, 2012
United States [Member] |
Income Tax Examination [Line Items] |
Tax Years Ended | 2009 to present
Argentina [Member] |
Income Tax Examination [Line Items] |
Tax Years Ended | 2007 to present
Australia [Member] |
Income Tax Examination [Line Items] |
Tax Years Ended | 2008 to present
Brazil [Member] |
Income Tax Examination [Line Items] |
Tax Years Ended | 2007 to present
Canada [Member] |
Income Tax Examination [Line Items] |
Tax Years Ended | 2005 to present
Mexico [Member] |
Income Tax Examination [Line Items] |
Tax Years Ended | 2007 to present
Philippines [Member] |
Income Tax Examination [Line Items] |
Tax Years Ended | 2010 to present
Spain [Member] |
Income Tax Examination [Line Items] |
Tax Years Ended | 2008 to present

X
- Definition The tax year(s) being audited in connection with the income tax examination. + References No definition available. + Details
Name: | ttec_IncomeTaxExaminationYearsUnderExamination1
Namespace Prefix: | ttec_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxExaminationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration