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Consolidated Statement of Stockholders' Equity (USD $) In Thousands, except Share data | Total | Stockholders' Equity of the Company Preferred Stock [Member] | Stockholders' Equity of the Company Common Stock [Member] | Stockholders' Equity of the Company Treasury Stock [Member] | Stockholders' Equity of the Company Additional Paid-in Capital [Member] | Stockholders' Equity of the Company Accumulated Other Comprehensive Income (Loss) [Member] | Stockholders' Equity of the Company Retained Earnings [Member] | Noncontrolling Interest [Member]
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Beginning balance,value at Dec. 31, 2011 | $ 470,247us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | $ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember | $ 566us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ (357,267)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ 350,386us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (5,474)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ 470,776us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 11,260us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Preferred stock beginning balance, share at Dec. 31, 2011 |  | 0us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember | 56,635us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Net income | 73,923us-gaap_ProfitLoss |  |  |  |  |  | 70,015us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Net income excluding mandatorily redeemable noncontrolling interest | 73,923ttec_ProfitLossExcludingMandatorilyRedeemableNoncontrollingInterest |  |  |  |  |  |  | 3,908ttec_ProfitLossExcludingMandatorilyRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Acquisition of noncontrolling interest | 941us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination |  |  |  |  |  |  | 941us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Dividends distributed to noncontrolling interest | (2,205)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |  |  |  |  |  |  | (2,205)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Transfer of noncontrolling interest to mandatorily redeemable noncontrolling interest | (1,067)ttec_RedeemableNoncontrollingInterestTransferFromPermanentEquity |  |  |  |  |  |  | (1,067)ttec_RedeemableNoncontrollingInterestTransferFromPermanentEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Foreign currency translation adjustments | 12,648us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |  |  |  |  | 12,517us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  | 131us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Derivatives valuation, net of tax | 15,411us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax |  |  |  |  | 15,411us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |
Vesting of restricted stock units, share |  |  | 575ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryShare / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Vesting of restricted stock units, value | (4,580)ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue |  | 5ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 8,041ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (12,626)ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Exercise of stock options, share |  |  | 121us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Exercise of stock options, value | 1,374us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  | 1us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,703us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (330)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Excess tax benefit from equity-based awards | (1)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  |  | (1)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Equity-based compensation expense | 13,295ttec_ShareBasedCompensationEquityBasedAwards |  |  |  | 13,285ttec_ShareBasedCompensationEquityBasedAwards / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | 10ttec_ShareBasedCompensationEquityBasedAwards / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Purchases of common stock, share |  |  | (5,043)us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Purchases of common stock, value | (81,243)us-gaap_TreasuryStockValueAcquiredCostMethod |  | (50)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (81,193)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  |  |
Other, net of tax | 527us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax |  |  |  |  | 527us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |
Ending balance,value at Dec. 31, 2012 | 499,270us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember | 522us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (428,716)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 350,714us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | 22,981us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 540,791us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 12,978us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Preferred stock ending balance, share at Dec. 31, 2012 |  | 0us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |  |  |  |  |  |
Common stock ending balance, share at Dec. 31, 2012 |  |  | 52,288us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Net income | 71,471us-gaap_ProfitLoss |  |  |  |  |  | 67,388us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Net income excluding mandatorily redeemable noncontrolling interest | 70,989ttec_ProfitLossExcludingMandatorilyRedeemableNoncontrollingInterest |  |  |  |  |  |  | 3,601ttec_ProfitLossExcludingMandatorilyRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Dividends distributed to noncontrolling interest | (4,183)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |  |  |  |  |  |  | (4,183)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Purchases of outstanding noncontrolling interest | (425)us-gaap_MinorityInterestDecreaseFromRedemptions |  |  |  | 3,715us-gaap_MinorityInterestDecreaseFromRedemptions / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | (4,140)us-gaap_MinorityInterestDecreaseFromRedemptions / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Adjustments to redemption value of mandatorily redeemable noncontrolling interest | (1,677)us-gaap_MinorityInterestChangeInRedemptionValue |  |  |  |  |  | (1,677)us-gaap_MinorityInterestChangeInRedemptionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Deconsolidation of a subsidiary | (121)ttec_Deconsolidationofsubsidiarycarryingvalueofnoncontrollinginterest |  |  |  |  |  |  | (121)ttec_Deconsolidationofsubsidiarycarryingvalueofnoncontrollinginterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Foreign currency translation adjustments | (26,342)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |  |  |  |  | (26,254)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  | (88)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Derivatives valuation, net of tax | (17,911)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax |  |  |  |  | (17,911)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |
Vesting of restricted stock units, share |  |  | 455ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryShare / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Vesting of restricted stock units, value | (4,974)ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue |  | 5ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 6,530ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (11,509)ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Exercise of stock options, share |  |  | 91us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Exercise of stock options, value | 862us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  | 1us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,294us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (433)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Excess tax benefit from equity-based awards | 787us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  |  | 787us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Equity-based compensation expense | 13,141ttec_ShareBasedCompensationEquityBasedAwards |  |  |  | 13,107ttec_ShareBasedCompensationEquityBasedAwards / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | 34ttec_ShareBasedCompensationEquityBasedAwards / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Purchases of common stock, share |  |  | (2,481)us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Purchases of common stock, value | (56,532)us-gaap_TreasuryStockValueAcquiredCostMethod |  | (25)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (56,507)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  |  |
Other, net of tax | 598us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax |  |  |  |  | 598us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |
Ending balance,value at Dec. 31, 2013 | 473,482us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember | 503us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (477,399)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 356,381us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (20,586)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 606,502us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 8,081us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Preferred stock ending balance, share at Dec. 31, 2013 | 0us-gaap_PreferredStockSharesOutstanding | 0us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |  |  |  |  |  |
Common stock ending balance, share at Dec. 31, 2013 | 50,352,881us-gaap_CommonStockSharesOutstanding |  | 50,353us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Net income | 77,417us-gaap_ProfitLoss |  |  |  |  |  | 72,293us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Net income excluding mandatorily redeemable noncontrolling interest | 76,805ttec_ProfitLossExcludingMandatorilyRedeemableNoncontrollingInterest |  |  |  |  |  |  | 4,512ttec_ProfitLossExcludingMandatorilyRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Dividends distributed to noncontrolling interest | (4,275)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |  |  |  |  |  |  | (4,275)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Adjustments to redemption value of mandatorily redeemable noncontrolling interest | (936)us-gaap_MinorityInterestChangeInRedemptionValue |  |  |  |  |  | (936)us-gaap_MinorityInterestChangeInRedemptionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Foreign currency translation adjustments | (23,120)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |  |  |  |  | (22,771)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  | (349)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Derivatives valuation, net of tax | (9,993)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax |  |  |  |  | (9,993)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |
Vesting of restricted stock units, share |  |  | 396ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryShare / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Vesting of restricted stock units, value | (5,379)ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue |  | 4ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 5,979ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (11,362)ttec_VestingOfRestrictedStockUnitsIssuedOutOfTreasuryValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Exercise of stock options, share | (53,100)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  | 58us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Exercise of stock options, value | 443us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  | 1us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 876us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (434)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Excess tax benefit from equity-based awards | 1,015us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  |  | 1,015us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Equity-based compensation expense | 11,206ttec_ShareBasedCompensationEquityBasedAwards |  |  |  | 11,192ttec_ShareBasedCompensationEquityBasedAwards / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | 14ttec_ShareBasedCompensationEquityBasedAwards / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Purchases of common stock, share |  |  | (2,354)us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Purchases of common stock, value | (57,074)us-gaap_TreasuryStockValueAcquiredCostMethod |  | (23)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (57,051)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  |  |
Other, net of tax | 1,076us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax |  |  |  |  | 1,076us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |
Ending balance,value at Dec. 31, 2014 | $ 463,250us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | $ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember | $ 485us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ (527,595)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ 356,792us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (52,274)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ 677,859us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 7,983us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Preferred stock ending balance, share at Dec. 31, 2014 | 0us-gaap_PreferredStockSharesOutstanding | 0us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |  |  |  |  |  |
Common stock ending balance, share at Dec. 31, 2014 | 48,452,852us-gaap_CommonStockSharesOutstanding |  | 48,453us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |

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