Annual report pursuant to Section 13 and 15(d)

Inventories (narrative) (Details)

v3.5.0.2
Inventories (narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Inventory [Line Items]    
Inventory held for sale $ 185,699 $ 152,076
Repurchase arrangements with customers 92,300 49,100
Consignment arrangements with customers 8,000 5,600
Commemorative coins, held at lower of cost or market (16) (1,518)
Borrowed precious metals from suppliers 4,400 9,500
Product financing arrangement, restricted 59,400 39,400
Premium on metals position 4,627 3,255
Unrealized gains (losses) included in inventory balance 12,700 (3,900)
Inventory held for sale    
Inventory [Line Items]    
Inventory held for sale $ 81,006 $ 86,353