Hedging Transactions (Hedging of Precious Metals Inventory) (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
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Jun. 30, 2014
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Derivatives, Fair Value [Line Items] | ||
Inventory | $ 186,572us-gaap_InventoryFinishedGoods | $ 175,554us-gaap_InventoryFinishedGoods |
Commemorative coin inventory, held at lower of cost or market | (65)amrk_InventoryCommemorativeCoinStatedAtLowerCostOrMarket | (2,564)amrk_InventoryCommemorativeCoinStatedAtLowerCostOrMarket |
Premium on metals position | (3,668)amrk_InventoryPurchasePremiumOnMetalsPositionmarkedtomarket | (3,285)amrk_InventoryPurchasePremiumOnMetalsPositionmarkedtomarket |
Inventory value not hedged | (3,733)amrk_InventoryPurchasePremiumOnMetalsPositionTotalMTMLCM | (5,849)amrk_InventoryPurchasePremiumOnMetalsPositionTotalMTMLCM |
Subtotal | 182,839amrk_PhysicalInventoryNetOfPurchasePremiums | 169,705amrk_PhysicalInventoryNetOfPurchasePremiums |
Commitments at market | ||
Open inventory purchase commitments | 414,750amrk_OpenInventoryPurchaseCommitments | 489,944amrk_OpenInventoryPurchaseCommitments |
Open inventory sales commitments | (188,630)amrk_OpenInventorySaleCommitments | (190,108)amrk_OpenInventorySaleCommitments |
Margin sale commitments | (10,870)amrk_MarginSaleCommitments | (15,751)amrk_MarginSaleCommitments |
In-transit inventory no longer subject to market risk | (16,587)amrk_DeferredLiabilityNotSubjectToMarketRisk | (4,522)amrk_DeferredLiabilityNotSubjectToMarketRisk |
Unhedgable premiums on open commitment positions | (250)amrk_UnhedgablePremiumsOnOpenCommitmentPositions | 1,694amrk_UnhedgablePremiumsOnOpenCommitmentPositions |
Inventory borrowed from suppliers | (6,495)amrk_InventoryBorrowedFromSuppliers | (8,709)amrk_InventoryBorrowedFromSuppliers |
Product financing obligation | (48,114)amrk_ObligationUnderProductFinancingAgreement | (24,610)amrk_ObligationUnderProductFinancingAgreement |
Advances on industrial metals | 3,133amrk_AdvancesPaymentsOnIndustrialMetals | 8,813amrk_AdvancesPaymentsOnIndustrialMetals |
Inventory subject to price risk | 329,776amrk_InventorySubjectToPriceRisk | 426,456amrk_InventorySubjectToPriceRisk |
Inventory subject to derivative financial instruments | ||
Market value of derivative financial instruments | 330,094invest_DerivativeNotionalAmount | 427,039invest_DerivativeNotionalAmount |
Net inventory subject to commodity price risk | (318)amrk_NetInventorySubjectToPriceRisk | (583)amrk_NetInventorySubjectToPriceRisk |
Precious metals forward contracts at market values | ||
Inventory subject to derivative financial instruments | ||
Market value of derivative financial instruments |
209,387invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForwardContractsMember |
206,055invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForwardContractsMember |
Precious metals futures contracts at market values | ||
Inventory subject to derivative financial instruments | ||
Market value of derivative financial instruments |
$ 120,707invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_FutureMember |
$ 220,984invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_FutureMember |
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Advances (Payments) On Industrial Metals No definition available.
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Deferred Liability Not Subject To Market Risk No definition available.
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Inventory Borrowed From Suppliers No definition available.
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Inventory, Commemorative Coin, Stated At Lower Cost Or Market No definition available.
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Inventory Purchase Premium On Metals Position marked to market No definition available.
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Inventory Purchase Premium On Metals Position No definition available.
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Inventory Subject To Price Risk No definition available.
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Margin Sale Commitments No definition available.
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Net Inventory Subject To Price Risk No definition available.
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Obligation Under Product Financing Agreement - amount required to repurchase outstanding inventory under product financing agreement with a third party for the sale of gold and silver. Such agreement allows the Company to repurchase outstanding inventory at an agreed-upon price based on the spot price on the repurchase date. No definition available.
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Open Inventory Purchase Commitments No definition available.
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Open Inventory Sale Commitments No definition available.
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Physical Inventory Net Of Purchase Premiums No definition available.
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Unhedgable Premiums On Open Commitment Positions No definition available.
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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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