XML 34 R81.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Taxes On Income (Narrative) (Details) In Thousands, unless otherwise specified | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2014 ILS | Dec. 31, 2013 USD ($) | Dec. 31, 2012 | Dec. 31, 2014 USD ($) | Dec. 31, 2014 Internal Revenue Service (IRS) [Member] USD ($) | Dec. 31, 2014 Domestic Tax Authority [Member] USD ($) | Dec. 31, 2014 Law for the Encouragement of Industry (Taxes) [Member] | Dec. 31, 2014 Law for the Encouragement of Capital Investments [Member] | Dec. 31, 2014 NORWAY USD ($) | Dec. 31, 2014 BRAZIL USD ($) | Dec. 31, 2014 Minimum [Member] | Dec. 31, 2014 Maximum [Member] | Dec. 31, 2014 Develpment Area A [Member] Law for the Encouragement of Capital Investments [Member]
Taxes On Income [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Period of tax exemption | 2 years |  |  |  |  |  |  |  |  |  |  |  |
Period in which investment must be made | 3 years |  |  |  |  |  |  |  |  |  |  |  |
Minimum qualifying investment | 300 crnt_MinimumQualifyingInvestment |  |  |  |  |  |  |  |  |  |  |  |
Experation period since approval | 14 years |  |  |  |  |  |  |  |  |  |  |  |
Experation period since enterpise began operating | 12 years |  |  |  |  |  |  |  |  |  |  |  |
Experation period since beginning of the year of election | 12 years |  |  |  |  |  |  |  |  |  |  |  |
Foreign investors'' company tax benefits period | 10 years |  |  |  |  |  |  |  |  |  |  |  |
Foreign investors' company tax benefits pecent |  |  |  |  |  |  |  |  |  |  | 10.00%crnt_ForeignInvestorsCompanyTaxBenefitsPecent / us-gaap_RangeAxis = us-gaap_MinimumMember | 25.00%crnt_ForeignInvestorsCompanyTaxBenefitsPecent / us-gaap_RangeAxis = us-gaap_MaximumMember |
Number of capital investment programs granted approved enterprise status |  |  |  | 3 crnt_NumberOfCapitalInvestmentProgramsGrantedApprovedEnterpriseStatus |  |  |  |  |  |  |  |  |
Number of capital investment programs under beneficiary enterprise status |  |  |  | 2 crnt_NumberOfCapitalInvestmentProgramsUnderBeneficiaryEnterpriseStatus |  |  |  |  |  |  |  |  |
Amended tax rate 2011 and 2012 |  |  |  |  |  |  |  | 15.00%crnt_AmendedTaxRateYearsOneAndTwo / us-gaap_IncomeTaxAuthorityAxis = crnt_LawForEncouragementOfCapitalInvestmentsMember |  |  |  |  |
Amended tax rate 2013 and 2014 |  |  |  |  |  |  |  | 12.50%crnt_AmendedTaxRateYearsThreeAndFour / us-gaap_IncomeTaxAuthorityAxis = crnt_LawForEncouragementOfCapitalInvestmentsMember |  |  |  |  |
Amended tax rate 2015 and thereafter |  |  |  |  |  |  |  | 12.00%crnt_AmendedTaxRateYearsFiveAndAfter / us-gaap_IncomeTaxAuthorityAxis = crnt_LawForEncouragementOfCapitalInvestmentsMember |  |  |  |  |
Amended tax rate 2014 and thereafter |  |  |  |  |  |  |  | 16.00%crnt_AmendedTaxRateYear2014AndThereafter / us-gaap_IncomeTaxAuthorityAxis = crnt_LawForEncouragementOfCapitalInvestmentsMember |  |  |  |  | 9.00%crnt_AmendedTaxRateYear2014AndThereafter / us-gaap_IncomeTaxAuthorityAxis = crnt_LawForEncouragementOfCapitalInvestmentsMember / us-gaap_RangeAxis = crnt_DevelopmentAreaMember
Tax rate on dividends distributed to individuals or foreign residents from the preferred enterprise's earnings |  |  |  |  |  |  |  | 20.00%crnt_PreferredEnterpriseDividendTaxRate / us-gaap_IncomeTaxAuthorityAxis = crnt_LawForEncouragementOfCapitalInvestmentsMember |  |  |  |  |
Industrial company defined as a company resident in Israel based on minimum percentage of income derived from an industrial enterprise owned by it |  |  |  |  |  |  | 90.00%crnt_IndustrialCompanyDefinedAsCompanyResidentInIsraelBasedOnMinimumPercentageOfIncomeDerivedFromIndustrialEnterpriseOwnedByIt / us-gaap_IncomeTaxAuthorityAxis = crnt_LawForEncouragementOfIndustryTaxesMember |  |  |  |  |  |
Amortization period for know-how and patents |  |  |  |  |  |  | 8 years |  |  |  |  |  |
Amortization period for deferred stock issuance costs |  |  |  |  |  |  | 3 years |  |  |  |  |  |
Israeli tax rate | 26.50%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 25.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 25.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate |  |  |  |  |  |  |  |  |  |
Valuation allowance |  | 81,665 us-gaap_DeferredTaxAssetsValuationAllowance |  | 108,292 us-gaap_DeferredTaxAssetsValuationAllowance |  |  |  |  |  |  |  |  |
Net operating losses |  |  |  |  | 1,399 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic / us-gaap_IncomeTaxAuthorityAxis = us-gaap_InternalRevenueServiceIRSMember | 221,187 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |  |  | 35,131 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic / us-gaap_IncomeTaxAuthorityAxis = country_NO | 13,133 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic / us-gaap_IncomeTaxAuthorityAxis = country_BR |  |  |
Israeli capital loss |  |  |  |  |  | 4,436 us-gaap_DeferredTaxAssetsCapitalLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |  |  |  |  |  |  |
Annual limit against taxable income |  |  |  |  |  |  |  |  |  | 30.00%crnt_OperatingLossCarryforwardsAnnualLimitationsOnUse / us-gaap_IncomeTaxAuthorityAxis = country_BR |  |  |
Accrued interest and penalties |  | $ (83)us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  | $ 0 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  |  |  |  |  |  |  |  |

X
- Definition Represents the amended tax rate 2014 and thereafter. + References No definition available. + Details
Name: | crnt_AmendedTaxRateYear2014AndThereafter
Namespace Prefix: | crnt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amended tax rate years five and after + References No definition available. + Details
Name: | crnt_AmendedTaxRateYearsFiveAndAfter
Namespace Prefix: | crnt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amended tax rate years one and two + References No definition available. + Details
Name: | crnt_AmendedTaxRateYearsOneAndTwo
Namespace Prefix: | crnt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amended tax rate years three and four + References No definition available. + Details
Name: | crnt_AmendedTaxRateYearsThreeAndFour
Namespace Prefix: | crnt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amortization period for deferred stock issuance costs under tax benefits allowed to industrial company. + References No definition available. + Details
Name: | crnt_BenefitsToIndustrialCompanyAmortizationPeriodForDeferredStockIssuanceCosts
Namespace Prefix: | crnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amortization period for know-how and patents under tax benefits allowed to industrial company. + References No definition available. + Details
Name: | crnt_BenefitsToIndustrialCompanyAmortizationPeriodForknowHowAndPatents
Namespace Prefix: | crnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Experation period since approval + References No definition available. + Details
Name: | crnt_ExperationPeriodSinceApproval
Namespace Prefix: | crnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Experation period since beginning of the year of election + References No definition available. + Details
Name: | crnt_ExperationPeriodSinceBeginningOfYearOfElection
Namespace Prefix: | crnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Experation period since enterpise began operating + References No definition available. + Details
Name: | crnt_ExperationPeriodSinceEnterpiseBeganOperating
Namespace Prefix: | crnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Foreign investors' company tax benefits pecent + References No definition available. + Details
Name: | crnt_ForeignInvestorsCompanyTaxBenefitsPecent
Namespace Prefix: | crnt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Foreign investors'' company tax benefits period + References No definition available. + Details
Name: | crnt_ForeignInvestorsCompanyTaxBenefitsPeriod
Namespace Prefix: | crnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the industrial company defined as a company resident in Israel based on minimum percentage of income derived from an industrial enterprise owned by it. + References No definition available. + Details
Name: | crnt_IndustrialCompanyDefinedAsCompanyResidentInIsraelBasedOnMinimumPercentageOfIncomeDerivedFromIndustrialEnterpriseOwnedByIt
Namespace Prefix: | crnt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Minimum qualifying investment + References No definition available. + Details
Name: | crnt_MinimumQualifyingInvestment
Namespace Prefix: | crnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of capital investment programs granted approved enterprise status + References No definition available. + Details
Name: | crnt_NumberOfCapitalInvestmentProgramsGrantedApprovedEnterpriseStatus
Namespace Prefix: | crnt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of capital investment programs under beneficiary enterprise status + References No definition available. + Details
Name: | crnt_NumberOfCapitalInvestmentProgramsUnderBeneficiaryEnterpriseStatus
Namespace Prefix: | crnt_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Operating Loss Carryforwards, Annual Limitations on Use + References No definition available. + Details
Name: | crnt_OperatingLossCarryforwardsAnnualLimitationsOnUse
Namespace Prefix: | crnt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period in which investment must be made + References No definition available. + Details
Name: | crnt_PeriodInWhichInvestmentMustBeMade
Namespace Prefix: | crnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of tax exemption + References No definition available. + Details
Name: | crnt_PeriodOfTaxExemption
Namespace Prefix: | crnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the tax rate on dividends distributed to individuals or foreign residents from the preferred enterprise's earnings. + References No definition available. + Details
Name: | crnt_PreferredEnterpriseDividendTaxRate
Namespace Prefix: | crnt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | crnt_TaxesOnIncomeLineItems
Namespace Prefix: | crnt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
Name: | us-gaap_DeferredTaxAssetsCapitalLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
Name: | us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant