Fair Value Measurements (Fair Value of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
Quoted Price in Active Markets for Identifical Instruments (Level 1) | Carrying amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 43,529	$ 23,643
Restricted cash	606	602
Quoted Price in Active Markets for Identifical Instruments (Level 1) | Total Balance
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	43,529	23,643
Restricted cash	606	602
Significant Other Observable Inputs (Level 2) | Carrying amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Receivables and secured loans	63,345	109,696
Accounts receivable and consignor advances	16,468	12,347
Accounts payable and consignor payables	81,658	95,839
Lines of credit	99,833	100,857
Notes payable	10,865	10,837
Significant Other Observable Inputs (Level 2) | Total Balance
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Receivables and secured loans	63,345	109,696
Accounts receivable and consignor advances	16,468	12,347
Accounts payable and consignor payables	81,658	95,839
Lines of credit	99,833	100,857
Notes payable	$ 10,865	$ 10,837