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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Aug. 14, 2014 item
Intangibles
Impairment of intangible assets	$ 0us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill	$ 0us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill	$ 0us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
Estimated useful life of trademarks	17 years
Foreign Currency Translation and Transactions
Foreign currency transaction losses	3,400,000us-gaap_ForeignCurrencyTransactionGainLossRealized	12,900,000us-gaap_ForeignCurrencyTransactionGainLossRealized	3,700,000us-gaap_ForeignCurrencyTransactionGainLossRealized
Income Taxes
Tax benefits recognized for income tax positions where there is less than 50% likelihood that a tax benefit will be sustained	0mnst_IncomeTaxExpenseBenefitRecognizedForPositionsWithSpecifiedPercentageOfLikelihoodThatTaxBenefitWillBeSustained
Revenue Recognition
Distribution Agreement, Revenue Recognition Period	20 years
Freight-Out Costs
Freight-out costs	92,700,000us-gaap_ShippingHandlingAndTransportationCosts	84,000,000us-gaap_ShippingHandlingAndTransportationCosts	76,100,000us-gaap_ShippingHandlingAndTransportationCosts
Advertising and Promotional Expenses
Advertising and promotional expenses	171,500,000us-gaap_MarketingAndAdvertisingExpense	181,800,000us-gaap_MarketingAndAdvertisingExpense	165,400,000us-gaap_MarketingAndAdvertisingExpense
Maximum
Intangibles
Estimated useful life of trademarks	25 years
Income Taxes
Percentage of likelihood of realization of recognized tax benefit	50.00%mnst_PercentageOfLikelihoodOfRealizationOfRecognizedTaxBenefit / us-gaap_RangeAxis = us-gaap_MaximumMember
Minimum
Intangibles
Estimated useful life of trademarks	1 year
Income Taxes
Percentage of likelihood below which no tax benefit is recognized in the financial statements	50.00%mnst_PercentageOfLikelihoodBelowWhichNoTaxBenefitIsRecognized / us-gaap_RangeAxis = us-gaap_MinimumMember
Sales | Customer concentration | Direct Store Delivery ("DSD") | Coca-Cola Refreshments ("CCR")
Concentration of Risk
Percentage of net sales from major customer	29.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = mnst_CocaColaRefreshmentsMember / us-gaap_StatementBusinessSegmentsAxis = mnst_DirectStoreDeliveryMember	29.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = mnst_CocaColaRefreshmentsMember / us-gaap_StatementBusinessSegmentsAxis = mnst_DirectStoreDeliveryMember	28.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = mnst_CocaColaRefreshmentsMember / us-gaap_StatementBusinessSegmentsAxis = mnst_DirectStoreDeliveryMember
Property and Equipment | Maximum
Acquisitions and Divestitures
Estimated useful lives of the assets	10 years
Property and Equipment | Minimum
Acquisitions and Divestitures
Estimated useful lives of the assets	3 years
Coca-Cola Transaction Asset Transfer Agreement | Forecast | Coca-Cola
Acquisitions and Divestitures
Net cash payment				2,150,000,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds / us-gaap_CounterpartyNameAxis = mnst_CocaColaCompanyMember / us-gaap_NoncashOrPartNoncashAcquisitionsByUniqueDescriptionAxis = mnst_CocaColaTransactionAssetTransferAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
Amount held in escrow				625,000,000mnst_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsAmountToBeHeldInEscrow / us-gaap_CounterpartyNameAxis = mnst_CocaColaCompanyMember / us-gaap_NoncashOrPartNoncashAcquisitionsByUniqueDescriptionAxis = mnst_CocaColaTransactionAssetTransferAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
Coca-Cola Transaction Asset Transfer Agreement | Forecast | NewCo | Coca-Cola
Acquisitions and Divestitures
Ownership interest (as a percent)				16.70%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / us-gaap_CounterpartyNameAxis = mnst_CocaColaCompanyMember / dei_LegalEntityAxis = mnst_NewLaserCorporationMember / us-gaap_NoncashOrPartNoncashAcquisitionsByUniqueDescriptionAxis = mnst_CocaColaTransactionAssetTransferAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
Number of individuals who can be nominated as Board of Directors by counterparty as right under agreement				2mnst_NumberOfIndividualsWhoCanBeNominatedAsBoardOfDirectorsByCounterpartyAsRightUnderAgreement / us-gaap_CounterpartyNameAxis = mnst_CocaColaCompanyMember / dei_LegalEntityAxis = mnst_NewLaserCorporationMember / us-gaap_NoncashOrPartNoncashAcquisitionsByUniqueDescriptionAxis = mnst_CocaColaTransactionAssetTransferAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
Reduced number of individuals who can be nominated as Board of Directors by counterparty under specific conditions				1mnst_ReducedNumberOfIndividualsWhoCanBeNominatedAsBoardOfDirectorsByCounterpartyUnderSpecificConditions / us-gaap_CounterpartyNameAxis = mnst_CocaColaCompanyMember / dei_LegalEntityAxis = mnst_NewLaserCorporationMember / us-gaap_NoncashOrPartNoncashAcquisitionsByUniqueDescriptionAxis = mnst_CocaColaTransactionAssetTransferAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
Term in which number of individuals who can be nominated as Board of Directors by counterparty will be reduced				36 months
Minimum ownership interest held when number of individuals who can be nominated as Board of Directors by counterparty will be reduced (as a percent)				20.00%mnst_MinimumOwnershipInterestHeldWhenNumberOfIndividualsWhoCanBeNominatedAsBoardOfDirectorsByCounterpartyWillBeReduced / us-gaap_CounterpartyNameAxis = mnst_CocaColaCompanyMember / dei_LegalEntityAxis = mnst_NewLaserCorporationMember / us-gaap_NoncashOrPartNoncashAcquisitionsByUniqueDescriptionAxis = mnst_CocaColaTransactionAssetTransferAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember

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