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GOODWILL (NARRATIVE) (DETAILS) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012
GOODWILL [ABSTRACT] |
Method used to calculate fair value of reporting unit that has goodwill at risk | The fair value of this reporting unit was calculated using an income approach based on discounted future cash flows. Key assumptions used in the income approach included, but are not limited to, estimated future cash flows, a perpetuity growth rate of 6.6% based on the current inflation rate combined with the GDP growth rate for the reporting unit’s region, and a discount rate of 26.5%, which is the Company’s weighted average cost of capital adjusted for country specific factors associated with the reporting unit’s economy and geography.
Goodwill amount of reporting units where fair value is not substantially in excess of carrying value | $ 7.3
Fair value of a reporting unit in excess of carrying value expressed as a percentage | 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
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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
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Namespace Prefix: | ttec_
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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_
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Balance Type: | na
Period Type: | instant