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
Sep. 30, 2014
Jun. 30, 2014
Financial assets:    
Receivables, advances receivables and secured loans $ 97,273 $ 80,640
Financial liabilities:    
Liability for borrowed metals 11,998 8,709
Product financing obligation 20,613 24,610
Accrued liabilities 3,935 6,070
Carrying Amount
    
Financial assets:    
Cash 4,657 13,193
Receivables, advances receivables and secured loans 97,273 80,640
Income taxes receivable from Former Parent 3,139 3,139
Financial liabilities:    
Lines of credit 128,000 135,200
Liability for borrowed metals 11,998 8,709
Product financing obligation 20,613 24,610
Accounts payable, margin accounts, advances and other payables 55,783 53,627
Accrued liabilities 3,935 6,070
Fair value
    
Financial assets:    
Cash 4,657 13,193
Receivables, advances receivables and secured loans 97,273 80,640
Income taxes receivable from Former Parent 3,139 3,139
Financial liabilities:    
Lines of credit 128,000 135,200
Liability for borrowed metals 11,998 8,709
Product financing obligation 20,613 24,610
Accounts payable, margin accounts, advances and other payables 55,783 53,627
Accrued liabilities 3,935 6,070
Open sales and purchase commitments | Carrying Amount
    
Financial liabilities:    
Derivative liabilities - open sale and purchase commitments, net, included in payable 49,139 848
Open sales and purchase commitments | Fair value
    
Financial liabilities:    
Derivative liabilities - open sale and purchase commitments, net, included in payable 49,139 848
Future contracts | Carrying Amount
    
Financial liabilities:    
Derivative liabilities 0 8,078
Future contracts | Fair value
    
Financial liabilities:    
Derivative liabilities 0 8,078
Forward contracts | Carrying Amount
    
Financial liabilities:    
Derivative liabilities 0 14,873
Forward contracts | Fair value
    
Financial liabilities:    
Derivative liabilities 0 14,873
Open sales and purchase commitments | Carrying Amount
    
Financial assets:    
Derivative assets - open sale and purchase commitments, net, included in receivable 2,628 22,170
Open sales and purchase commitments | Fair value
    
Financial assets:    
Derivative assets - open sale and purchase commitments, net, included in receivable 2,628 22,170
Forward contracts | Carrying Amount
    
Financial assets:    
Derivative assets - future and forward contracts 16,510 14
Forward contracts | Fair value
    
Financial assets:    
Derivative assets - future and forward contracts 16,510 14
Future contracts | Carrying Amount
    
Financial assets:    
Derivative assets - future and forward contracts 27,071 0
Future contracts | Fair value
    
Financial assets:    
Derivative assets - future and forward contracts $ 27,071 $ 0