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INCOME TAXES (Reconciliation of Effective Tax Rate to U.S. Federal Income Tax Rate) (Detail)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]      
Federal income tax rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Research and development credit (1.00%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch (0.80%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
Income subject to other than the federal income tax rate (5.60%)cyt_EffectiveIncomeTaxRateReconciliationIncomeSubjectToOtherThanFederalIncomeTaxRate (1.10%)cyt_EffectiveIncomeTaxRateReconciliationIncomeSubjectToOtherThanFederalIncomeTaxRate (10.50%)cyt_EffectiveIncomeTaxRateReconciliationIncomeSubjectToOtherThanFederalIncomeTaxRate
Tax expense on unrepatriated earnings of international subsidiaries 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings (2.00%)us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings 7.30%us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings
Change in tax rates (0.20%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate (1.50%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate 0.50%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
State taxes, net of federal benefits 0.50%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 1.80%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 1.10%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Valuation allowance 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 0.60%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 0.20%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Tax law change 0.00%cyt_EffectiveIncomeTaxRateReconciliationTaxLawChange (1.10%)cyt_EffectiveIncomeTaxRateReconciliationTaxLawChange 0.00%cyt_EffectiveIncomeTaxRateReconciliationTaxLawChange
Favorable resolution of prior year audits (2.90%)us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes (8.60%)us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
Domestic manufacturing deduction (1.50%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities (1.30%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities (3.90%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
Nondeductible transaction costs 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense 2.60%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense
Other charges, net (0.10%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 2.90%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective tax rate 24.20%us-gaap_EffectiveIncomeTaxRateContinuingOperations 29.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations 26.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations