Quarterly report pursuant to Section 13 or 15(d)

Inventories - Summary of Components of Inventory (Details)

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Inventories - Summary of Components of Inventory (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Jun. 30, 2024
Inventory [Line Items]    
Inventories $ 642,259 $ 579,400
Restricted inventories 551,937 517,744
Restricted and non-restricted inventory, net 1,194,196 1,097,144
Inventory held for Sale    
Inventory [Line Items]    
Inventories 386,941 342,196
Repurchase Arrangements with Customers    
Inventory [Line Items]    
Inventories 215,372 199,559
Consignment Arrangements with Customers    
Inventory [Line Items]    
Inventories 3,158 2,416
Commemorative Coins, Held at Lower of Cost or Net Realizable Value    
Inventory [Line Items]    
Inventories 2,900 3,236
Borrowed Precious Metals    
Inventory [Line Items]    
Inventories 33,888 31,993
Product Financing Arrangements    
Inventory [Line Items]    
Restricted inventories $ 551,937 $ 517,744