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OTHER INTANGIBLE ASSETS (NARRATIVE) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Weighted Average Useful Life [Line Items] |  |  |
Amortization of Intangible Assets | $ 32,977 | $ 35,578 |
Asset Impairment Charges | 244,093 | 11,733 | $ 13,749
TTEC Digital |  |  |
Weighted Average Useful Life [Line Items] |  |  |
Amortization of Intangible Assets | 33,000 | 35,600 | $ 37,100
Customer Relationships [Member] |  |  |
Weighted Average Useful Life [Line Items] |  |  |
Amortization of Intangible Assets | $ 0 | 0 |
Customer Relationships [Member] | TTEC Digital |  |  |
Weighted Average Useful Life [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 5 years 6 months |  |
Other Intangible Assets [Member] |  |  |
Weighted Average Useful Life [Line Items] |  |  |
Amortization of Intangible Assets | $ 0 | $ 0 |
Other Intangible Assets [Member] | TTEC Digital |  |  |
Weighted Average Useful Life [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 1 year 1 month |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-4 + Details
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