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GOODWILL (NARRATIVE) (DETAILS) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2013 | Dec. 31, 2012
GOODWILL [ABSTRACT] |  |
Method used to calculate fair value of reporting unit that has goodwill at risk | Key assumptions used in the updated fair value calculation include, but are not limited to, a perpetuity growth rate of 7.0% based on the current inflation rate combined with the GDP growth rate for the reporting unit’s geographical region and a discount rate of 25.5%, which is equal to the reporting unit’s equity risk premium adjusted for its size and company specific risk factors. Estimated future cash flows under the income approach are based on the Company’s internal business plan and adjusted as appropriate for the Company’s view of market participant assumptions. The current business plan assumes the occurrence of certain events in the future, such as realignment of operations and reduction of general and administrative costs. |
Goodwill amount of reporting units where fair value is not substantially in excess of carrying value | $ 7.3 | $ 7.3
Fair value of a reporting unit in excess of carrying value expressed as a percentage | 4.00% | 4.00%

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- Definition Description of how the fair value of the goodwill of the reporting unit was determined for goodwill valuation purposes when reporting unit . + References No definition available. + Details
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Namespace Prefix: | ttec_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ttec_GoodwillAbstract
Namespace Prefix: | ttec_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of goodwill associated with reporting units where the fair value is not in substantial excess of carrying value. In other words, this amount represents goodwill that is at risk. + References No definition available. + Details
Name: | ttec_GoodwillAmountReportingUnitWhereFairValueNotSubstantiallyInExcessOfCarryingValue
Namespace Prefix: | ttec_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition The percentage of fair value in excess of carrying value for reporting units where goodwill is at risk of being impaired. + References No definition available. + Details
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Namespace Prefix: | ttec_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant