Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.4.0.3
Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Jun. 30, 2015
Inventory [Line Items]    
Inventories $ 180,805 $ 152,076
Restricted inventories 93,168 39,425
Restricted and Nonrestricted Inventory, Net 273,973 191,501
Inventory held for sale    
Inventory [Line Items]    
Inventories 92,698 86,353
Repurchase arrangements with customers    
Inventory [Line Items]    
Inventories 76,191 49,117
Consignment arrangements with customers    
Inventory [Line Items]    
Inventories 6,337 5,588
Commemorative coins, held at lower of cost or market    
Inventory [Line Items]    
Inventories 6 1,518
Borrowed precious metals from suppliers    
Inventory [Line Items]    
Inventories 5,573 9,500
Product financing arrangement, restricted    
Inventory [Line Items]    
Restricted inventories $ 93,168 $ 39,425