The total amount of gross revenue generated by segment. The gross revenue includes any intersegment sales.

No definition available.

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- Definition

The amount of intersegment sales that are eliminated upon consolidation and displayed to show the difference between gross and net revenue.

+ References

No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Glossary Investing Activities

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Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

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SEGMENT INFORMATION (SEGMENT FINANCIALS) (DETAILS) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Gross Revenue									$ 1,241,817ttec_GrossRevenueSegmentInformation	$ 1,195,553ttec_GrossRevenueSegmentInformation	$ 1,169,408ttec_GrossRevenueSegmentInformation
Intersegment Sales									(36)ttec_IntersegmentSales	(2,396)ttec_IntersegmentSales	(6,427)ttec_IntersegmentSales
Net Revenue	338,170us-gaap_SalesRevenueServicesNet	305,900us-gaap_SalesRevenueServicesNet	295,490us-gaap_SalesRevenueServicesNet	302,221us-gaap_SalesRevenueServicesNet	318,087us-gaap_SalesRevenueServicesNet	296,995us-gaap_SalesRevenueServicesNet	289,692us-gaap_SalesRevenueServicesNet	288,383us-gaap_SalesRevenueServicesNet	1,241,781us-gaap_SalesRevenueServicesNet	1,193,157us-gaap_SalesRevenueServicesNet	1,162,981us-gaap_SalesRevenueServicesNet
Depreciation and amortization	15,386us-gaap_DepreciationAndAmortization	13,893us-gaap_DepreciationAndAmortization	14,089us-gaap_DepreciationAndAmortization	13,170us-gaap_DepreciationAndAmortization	12,783us-gaap_DepreciationAndAmortization	11,463us-gaap_DepreciationAndAmortization	11,263us-gaap_DepreciationAndAmortization	10,555us-gaap_DepreciationAndAmortization	56,538us-gaap_DepreciationAndAmortization	46,064us-gaap_DepreciationAndAmortization	41,166us-gaap_DepreciationAndAmortization
Income (Loss) from Operations	30,128us-gaap_OperatingIncomeLoss	21,323us-gaap_OperatingIncomeLoss	20,667us-gaap_OperatingIncomeLoss	24,357us-gaap_OperatingIncomeLoss	32,765us-gaap_OperatingIncomeLoss	25,961us-gaap_OperatingIncomeLoss	19,675us-gaap_OperatingIncomeLoss	22,998us-gaap_OperatingIncomeLoss	96,475us-gaap_OperatingIncomeLoss	101,399us-gaap_OperatingIncomeLoss	78,545us-gaap_OperatingIncomeLoss
Capital Expenditures									67,641	50,364	40,653
Total Assets	852,475us-gaap_Assets				842,342us-gaap_Assets				852,475us-gaap_Assets	842,342us-gaap_Assets	851,630us-gaap_Assets
Goodwill	128,705us-gaap_Goodwill				102,743us-gaap_Goodwill				128,705us-gaap_Goodwill	102,743us-gaap_Goodwill	98,241us-gaap_Goodwill
Customer Management Services [Member]
Segment Reporting Information [Line Items]
Gross Revenue									923,497	892,145	923,774
Intersegment Sales									0	(1,262)	0
Net Revenue									923,497	890,883	923,774
Depreciation and amortization									40,577	33,884	32,714
Income (Loss) from Operations									76,792	75,689	60,271
Capital Expenditures									49,630	40,007	32,736
Total Assets	514,957				554,015				514,957	554,015	588,627
Goodwill	25,871				19,819				25,871	19,819	20,288
Customer Growth Services [Member]
Segment Reporting Information [Line Items]
Gross Revenue									115,434	100,996	100,846
Intersegment Sales									0	0	(74)
Net Revenue									115,434	100,996	100,772
Depreciation and amortization									6,048	4,127	3,904
Income (Loss) from Operations									7,255	3,024	2,258
Capital Expenditures									3,195	3,421	3,983
Total Assets	88,394				86,416				88,394	86,416	54,164
Goodwill	30,395				30,128				30,395	30,128	24,439
Customer Technology Services [Member]
Segment Reporting Information [Line Items]
Gross Revenue									139,218	152,769	101,430
Intersegment Sales									(36)	(284)	(4,582)
Net Revenue									139,182	152,485	96,848
Depreciation and amortization									7,489	6,201	3,026
Income (Loss) from Operations									4,519	19,965	15,714
Capital Expenditures									14,423	6,450	3,390
Total Assets	159,441				157,040				159,441	157,040	152,500
Goodwill	42,709				42,709				42,709	42,709	42,153
Customer Strategy Services [Member]
Segment Reporting Information [Line Items]
Gross Revenue									63,668	49,643	43,358
Intersegment Sales									0	(850)	(1,771)
Net Revenue									63,668	48,793	41,587
Depreciation and amortization									2,424	1,852	1,522
Income (Loss) from Operations									7,909	2,721	302
Capital Expenditures									393	486	544
Total Assets	89,683				44,871				89,683	44,871	56,339
Goodwill	$ 29,730				$ 10,087				$ 29,730	$ 10,087	$ 11,361