XML 122 R115.htm IDEA: XBRL DOCUMENT v2.4.1.9
QUARTERLY FINANCIAL DATA (UNAUDITED) (NARRATIVE) (DETAILS) (USD $)
In Millions, 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
QUARTERLY FINANCIAL DATA (UNAUDITED) [ABSTRACT]                  
Benefit to Income Taxes from Relase of Uncertain Tax Positions     $ 1.2ttec_UnrecognizedTaxBenefitsDecreasesTotal            
Net Change in Valuation Allowance   0.2us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount   0.6us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 2.0us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 0.4us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 0.3us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 0.9us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount (0.1)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Benefit to Income Taxes Related to Return to Provision Adjustments         0.7ttec_ReturnToProvisionAdjustments 0.3ttec_ReturnToProvisionAdjustments 0.5ttec_ReturnToProvisionAdjustments 0.6ttec_ReturnToProvisionAdjustments  
Benefit to Income Taxes Related to Restructuring Charges 0.6ttec_TaxBenefitRelatedToRestructuringCharges 0.2ttec_TaxBenefitRelatedToRestructuringCharges 0.2ttec_TaxBenefitRelatedToRestructuringCharges 0.2ttec_TaxBenefitRelatedToRestructuringCharges 0.1ttec_TaxBenefitRelatedToRestructuringCharges 0.3ttec_TaxBenefitRelatedToRestructuringCharges 1.2ttec_TaxBenefitRelatedToRestructuringCharges 0.2ttec_TaxBenefitRelatedToRestructuringCharges  
Income Tax Expense Netherlands Audit   1.3ttec_IncomeTaxExpenseNetherlandsAudit              
Income Tax Expense Future Value Contingent Payments $ 1.6ttec_IncomeTaxExpenseFutureValueContingentPayments $ 0.7ttec_IncomeTaxExpenseFutureValueContingentPayments $ 1.6ttec_IncomeTaxExpenseFutureValueContingentPayments           $ 1.6ttec_IncomeTaxExpenseFutureValueContingentPayments