Quarterly report pursuant to Section 13 or 15(d)

Inventories - Additional Information (Details)

v3.24.3
Inventories - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2024
Jun. 30, 2024
Inventory [Line Items]    
Inventory held for sale $ 735,555 $ 579,400
Precious metals inventory subject to repurchase arrangements 222,200 199,600
Consignment arrangements with customers 2,800 2,400
Commemorative coin inventory, held at lower of cost or net realizable value 3,103 3,236
Product financing arrangement, restricted 541,700 517,700
Unrealized gains (losses) included in inventory balance 115,200 55,500
Premium on metals position 36,727 34,175
Inventories    
Inventory [Line Items]    
Borrowed precious metals from suppliers 39,500 32,000
Inventory held for Sale    
Inventory [Line Items]    
Inventory held for sale $ 467,898 $ 342,196