Annual report [Section 13 and 15(d), not S-K Item 405]

Inventories - Additional Information (Details)

v3.25.2
Inventories - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2025
Inventory [Line Items]      
Inventory held for sale $ 794,812 $ 579,400  
Precious metals inventory subject to repurchase arrangements 116,500 199,600  
Consignment arrangements with customers 6,000 2,400  
Collectible coin inventory, held at lower of cost or net realizable value 68,193 3,236  
Product financing arrangement, restricted 484,700 517,700  
Unrealized gains (losses) included in inventory balance 94,800 55,500  
Premium on metals position 35,295 34,175 $ 35,300
Inventories      
Inventory [Line Items]      
Borrowed precious metals from suppliers 46,100 32,000  
Inventory held for Sale      
Inventory [Line Items]      
Inventory held for sale $ 558,024 $ 342,196