Financing Agreements (Schedule of Financing Arrangements) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
Schedule Of Financing Arrangements [Line Items]
Liability on borrowed metals	$ 13,308	$ 20,117
Obligation under product financing arrangement	45,456	38,554
Lines of credit	99,833	100,857
Earn-out related to Stack's LLC minority interest repurchase	1,063	1,063
Other Liabilities	765	836
Total debt obligations	10,732	10,837
Trading credit facility
Schedule Of Financing Arrangements [Line Items]
Lines of credit	99,700	95,000
Collectibles credit facility
Schedule Of Financing Arrangements [Line Items]
Lines of credit	0	5,000
SBN credit facility
Schedule Of Financing Arrangements [Line Items]
Lines of credit	133	857
Note payable for building \| Debt obligations, note payable
Schedule Of Financing Arrangements [Line Items]
Debt obligations	6,229	6,263
Note payable for purchase of minority interest \| Debt obligations, note payable
Schedule Of Financing Arrangements [Line Items]
Debt obligations	$ 2,675	$ 2,675

- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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