2.4.0.84130 - Disclosure - SUBSEQUENT EVENTS (Details)truefalsefalse1false USDtruefalseD2013Q3_M0715_SwedishOrphanBiovitrumABMember_XiaflexMember_SubsequentEventMemberhttp://www.sec.gov/CIK0001182129duration2013-07-14T00:00:002013-07-15T00:00:00falsefalseSubsequent eventsus-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubsequentEventMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseSobi Agreementus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_SwedishOrphanBiovitrumABMemberus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisexplicitMemberfalsefalseXIAFLEXus-gaap_ProductOrServiceAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_XiaflexMemberus-gaap_ProductOrServiceAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170$2false truefalseD2013Q2_M0715_SwedishOrphanBiovitrumABMember_XiaflexMember_MinimumMember_SubsequentEventMemberhttp://www.sec.gov/CIK0001182129duration2013-07-14T00:00:002013-07-15T00:00:00falsefalseSubsequent eventsus-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubsequentEventMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseSobi Agreementus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_SwedishOrphanBiovitrumABMemberus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisexplicitMemberfalsefalseXIAFLEXus-gaap_ProductOrServiceAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_XiaflexMemberus-gaap_ProductOrServiceAxisexplicitMemberfalsefalseMinimumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli03false truefalseD2013Q2_M0715_SwedishOrphanBiovitrumABMember_XiaflexMember_MaximumMember_SubsequentEventMemberhttp://www.sec.gov/CIK0001182129duration2013-07-14T00:00:002013-07-15T00:00:00falsefalseSubsequent eventsus-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubsequentEventMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseSobi Agreementus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_SwedishOrphanBiovitrumABMemberus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisexplicitMemberfalsefalseXIAFLEXus-gaap_ProductOrServiceAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_XiaflexMemberus-gaap_ProductOrServiceAxisexplicitMemberfalsefalseMaximumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MaximumMemberus-gaap_RangeAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli04false truefalseD2013Q3_M0715_EuropeanUnionCountriesMember_SwedishOrphanBiovitrumABMember_XiaflexMember_SubsequentEventMemberhttp://www.sec.gov/CIK0001182129duration2013-07-14T00:00:002013-07-15T00:00:00falsefalseSubsequent eventsus-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubsequentEventMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseSobi Agreementus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_SwedishOrphanBiovitrumABMemberus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisexplicitMemberfalsefalseXIAFLEXus-gaap_ProductOrServiceAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_XiaflexMemberus-gaap_ProductOrServiceAxisexplicitMemberfalsefalseEuropean Union member countriesauxl_CountryAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_EuropeanUnionCountriesMemberauxl_CountryAxisexplicitMemberItemStandardhttp://www.auxilium.com/20130630itemauxl05false truefalseD2013Q3_M0715_CentralEasternEuropeAndCommonwealthOfIndependentCountriesMember_SwedishOrphanBiovitrumABMember_XiaflexMember_SubsequentEventMemberhttp://www.sec.gov/CIK0001182129duration2013-07-14T00:00:002013-07-15T00:00:00falsefalseSubsequent eventsus-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubsequentEventMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseSobi Agreementus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_SwedishOrphanBiovitrumABMemberus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisexplicitMemberfalsefalseXIAFLEXus-gaap_ProductOrServiceAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_XiaflexMemberus-gaap_ProductOrServiceAxisexplicitMemberfalsefalseCentral Eastern Europe/Commonwealth of Independent countriesauxl_CountryAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_CentralEasternEuropeAndCommonwealthOfIndependentCountriesMemberauxl_CountryAxisexplicitMemberItemStandardhttp://www.auxilium.com/20130630itemauxl06false truefalseD2013Q2_M0715_MiddleEasternAndNorthAfricanCountriesMember_SwedishOrphanBiovitrumABMember_XiaflexMember_SubsequentEventMemberhttp://www.sec.gov/CIK0001182129duration2013-07-14T00:00:002013-07-15T00:00:00falsefalseSubsequent eventsus-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubsequentEventMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseSobi Agreementus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_SwedishOrphanBiovitrumABMemberus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisexplicitMemberfalsefalseXIAFLEXus-gaap_ProductOrServiceAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_XiaflexMemberus-gaap_ProductOrServiceAxisexplicitMemberfalsefalseMiddle Eastern & North African countriesauxl_CountryAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_MiddleEasternAndNorthAfricanCountriesMemberauxl_CountryAxisexplicitMemberItemStandardhttp://www.auxilium.com/20130630itemauxl07false USDtruefalse$D2013Q2_GlaxoSmithKlineLLCMember_ProFormaMember_SubsequentEventMemberhttp://www.sec.gov/CIK0001182129duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseSubsequent eventsus-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubsequentEventMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseGlaxoSmithKline LLC (GSK)us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_GlaxoSmithKlineLLCMemberus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisexplicitMemberfalsefalseProFormaus-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ProFormaMemberus-gaap_StatementScenarioAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8false USDtruefalse$D2013Q2YTD_GlaxoSmithKlineLLCMember_ProFormaMember_SubsequentEventMemberhttp://www.sec.gov/CIK0001182129duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseSubsequent eventsus-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubsequentEventMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseGlaxoSmithKline LLC (GSK)us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisxbrldihttp://xbrl.org/2006/xbrldiauxl_GlaxoSmithKlineLLCMemberus-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsAxisexplicitMemberfalsefalseProFormaus-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ProFormaMemberus-gaap_StatementScenarioAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_SubsequentEventLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0SUBSEQUENT EVENTS2false 4auxl_NumberOfCountriesGrantedRightDevelopCommericializeSublicenseauxl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse2828falsefalsefalse5truefalsefalse1818falsefalsefalse6truefalsefalse2222falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerRepresents the number of countries under which the collaborative partner is granted the the right to develop, commericialize and sublicense a product.No definition available.false256Number of countries granted to collaborative partner for right to develop and commercialize a product3false 4auxl_RoyaltiesAsPercentageOfSalesForTier1auxl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsetruefalse00falsefalsefalse2truetruefalse0.550.55falsefalsefalse3truetruefalse0.650.65falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalsenum:percentItemTypepureRepresents the royalty payments as a percentage of aggregate annual net sales for first tier.No definition available.false0Royalty payments based on sales for first tier (as a percent)4false 4auxl_RoyaltiesAsPercentageOfSalesForTier2auxl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsetruefalse00falsefalsefalse2truetruefalse0.500.50falsefalsefalse3truetruefalse0.600.60falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalsenum:percentItemTypepureRepresents the royalty payments as a percentage of aggregate annual net sales for second tier.No definition available.false0Royalty payments based on sales for second tier (as a percent)5false 4auxl_RoyaltiesAsPercentageOfSalesForTier3auxl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsetruefalse00falsefalsefalse2truetruefalse0.450.45falsefalsefalse3truetruefalse0.550.55falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalsenum:percentItemTypepureRepresents the royalty payments as a percentage of aggregate annual net sales for third tier.No definition available.false0Royalty payments based on sales for third tier (as a percent)6false 4auxl_DecreaseInRoyaltyRevenuePercentauxl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse0.100.10falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalsenum:percentItemTypepureRepresents the percentage of decrease to the royalty percentages based on sales, to take effect upon occurrence of certain manufacturing milestones or a specified date.No definition available.false0Percentage of decrease in royalty (as a percent)7false 4auxl_MaximumAmountOfMilestonePaymentReceivableauxl_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse4000000040000000USD$falsetruefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents the maximum amount of milestone payments receivable under the collaborative and licensing agreement.No definition available.false2Maximum amount of potential sales milestone payments receivable8false 4auxl_AccruedPostExpirationPaymentsReversalauxl_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse10150001015000USD$falsetruefalse8truefalsefalse10150001015000USD$falsetruefalsexbrli:monetaryItemTypemonetaryRepresents the amount of post-expiration payments accrued by the entity.No definition available.false2Reversal of accrued post-expiration obligationsfalseSUBSEQUENT EVENTS (Details) (Subsequent events, USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.auxilium.com/role/DisclosureSubsequentEventsDetails88