|
Summary of Significant Accounting Policies (Fair Value Measurement, Recurring and Nonrecurring) (Details) (USD $)
|
0 Months Ended |
12 Months Ended |
|
Feb. 18, 2014
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2012
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Payments to acquire other investments |
$ 500,000
|
$ 500,000
|
$ 0
|
$ 0
|
| Realized gains on cost method investment |
|
0
|
|
|
|
Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Inventory |
|
172,990,000
|
|
|
| Total assets valued at fair value |
|
195,174,000
|
|
|
| Liability on borrowed metals |
|
8,709,000
|
|
|
| Product financing arrangement |
|
24,610,000
|
|
|
| Liability on margin accounts |
|
8,983,000
|
|
|
| Total liabilities, valued at fair value |
|
66,101,000
|
|
|
|
Total Balance | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Inventory |
|
|
162,378,000
|
|
| Total assets valued at fair value |
|
|
177,816,000
|
|
| Liability on borrowed metals |
|
|
20,117,000
|
|
| Product financing arrangement |
|
|
38,554,000
|
|
| Liability on margin accounts |
|
|
6,636,000
|
|
| Total liabilities, valued at fair value |
|
|
95,499,000
|
|
|
Level 1 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Inventory |
|
172,990,000
|
162,378,000
|
|
| Total assets valued at fair value |
|
195,174,000
|
177,816,000
|
|
| Liability on borrowed metals |
|
8,709,000
|
20,117,000
|
|
| Product financing arrangement |
|
24,610,000
|
38,554,000
|
|
| Liability on margin accounts |
|
8,983,000
|
6,636,000
|
|
| Total liabilities, valued at fair value |
|
66,101,000
|
95,499,000
|
|
|
Level 2 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Inventory |
|
0
|
0
|
|
| Total assets valued at fair value |
|
0
|
0
|
|
| Liability on borrowed metals |
|
0
|
0
|
|
| Product financing arrangement |
|
0
|
0
|
|
| Liability on margin accounts |
|
0
|
0
|
|
| Total liabilities, valued at fair value |
|
0
|
0
|
|
|
Level 3 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Inventory |
|
0
|
0
|
|
| Total assets valued at fair value |
|
0
|
0
|
|
| Liability on borrowed metals |
|
0
|
0
|
|
| Product financing arrangement |
|
0
|
0
|
|
| Liability on margin accounts |
|
0
|
0
|
|
| Total liabilities, valued at fair value |
|
0
|
0
|
|
|
Derivative Asset Open Purchases And Sales Commitments | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
22,170,000
|
|
|
|
Derivative Asset Open Purchases And Sales Commitments | Total Balance | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
|
14,967,000
|
|
|
Derivative Asset Open Purchases And Sales Commitments | Level 1 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
22,170,000
|
14,967,000
|
|
|
Derivative Asset Open Purchases And Sales Commitments | Level 2 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
0
|
0
|
|
|
Derivative Asset Open Purchases And Sales Commitments | Level 3 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
0
|
0
|
|
|
Forward contracts | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
14,000
|
|
|
|
Forward contracts | Level 1 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
14,000
|
|
|
|
Forward contracts | Level 2 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
0
|
|
|
|
Forward contracts | Level 3 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
0
|
|
|
|
Precious metals futures contracts at market values | Total Balance | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
|
471,000
|
|
|
Precious metals futures contracts at market values | Level 1 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
|
471,000
|
|
|
Precious metals futures contracts at market values | Level 2 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
|
0
|
|
|
Precious metals futures contracts at market values | Level 3 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets - future and forward contracts |
|
|
0
|
|
|
Open sales and purchase commitments | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
848,000
|
|
|
|
Open sales and purchase commitments | Total Balance | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
|
30,192,000
|
|
|
Open sales and purchase commitments | Level 1 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
848,000
|
30,192,000
|
|
|
Open sales and purchase commitments | Level 2 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
0
|
0
|
|
|
Open sales and purchase commitments | Level 3 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
0
|
0
|
|
|
Precious metals futures contracts at market values | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
8,078,000
|
|
|
|
Precious metals futures contracts at market values | Level 1 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
8,078,000
|
|
|
|
Precious metals futures contracts at market values | Level 2 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
0
|
|
|
|
Precious metals futures contracts at market values | Level 3 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
0
|
|
|
|
Forward contracts | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
14,873,000
|
|
|
|
Forward contracts | Level 1 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
14,873,000
|
|
|
|
Forward contracts | Level 2 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
0
|
|
|
|
Forward contracts | Level 3 | Fair Value on a Recurring Basis
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative liabilities |
|
$ 0
|
|
|