Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies Fair Value of Financial Instruments (Details)

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Summary of Significant Accounting Policies Fair Value of Financial Instruments (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Jun. 30, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Subtotal $ 63,788 $ 94,509
Liability for borrowed metals 8,620 20,117
Product financing obligation 49,684 38,554
Obligation to repurchase common stock 2,198 0
Accrued liabilities 5,904 6,601
Payable to Former Parent 0 1,015
Total Balance
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents 7,873 21,565
Subtotal 63,788 94,509
Lines of credit 119,800 95,000
Liability for borrowed metals 8,620 20,117
Product financing obligation 49,684 38,554
Obligation to repurchase common stock 2,198 0
Accounts payable, margin accounts, advances and other payables 48,707 55,818
Accrued liabilities 5,904 6,601
Payable to Former Parent 5,291 9,520
Carrying amount
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents 7,873 21,565
Subtotal 63,788  
Lines of credit 119,800 95,000
Liability for borrowed metals 8,620 20,117
Product financing obligation 49,684 38,554
Obligation to repurchase common stock 2,198 0
Accounts payable, margin accounts, advances and other payables 48,707 55,818
Accrued liabilities 5,904 6,601
Payable to Former Parent 5,291 9,520
Precious metals futures contracts at market values | Total Balance
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative liabilities 716 0
Precious metals futures contracts at market values | Carrying amount
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative liabilities 716 0
Forward Contracts | Total Balance
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative liabilities 2 0
Forward Contracts | Carrying amount
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative liabilities 2 0
Open sales and purchase commitments | Total Balance
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative liabilities - open sales and purchase commitments, net, included in payable 10,621 30,192
Open sales and purchase commitments | Carrying amount
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative liabilities - open sales and purchase commitments, net, included in payable 10,621 30,192
Forward Contracts | Total Balance
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets - future and forward contracts 9,813 471
Forward Contracts | Carrying amount
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets - future and forward contracts 9,813 471
Precious metals futures contracts at market values | Total Balance
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets - future and forward contracts 5,741 14,967
Precious metals futures contracts at market values | Carrying amount
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets - future and forward contracts 5,741 14,967
Open sales and purchase commitments | Total Balance
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets - open sales and purchase commitments, net, included in receivable 2,245 0
Open sales and purchase commitments | Carrying amount
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets - open sales and purchase commitments, net, included in receivable $ 2,245 $ 0