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, 2023
Jun. 30, 2023
Inventory [Line Items]    
Inventories [1] $ 591,737 $ 645,812
Restricted inventories 518,613 335,831
Restricted and non-restricted inventory, net 1,110,350 981,643
Inventory held for Sale    
Inventory [Line Items]    
Inventories 343,512 437,670
Repurchase Arrangements with Customers    
Inventory [Line Items]    
Inventories 220,367 181,751
Consignment Arrangements with Customers    
Inventory [Line Items]    
Inventories 2,911 3,801
Commemorative Coins, Held at Lower of Cost or Net Realizable Value    
Inventory [Line Items]    
Inventories 732 948
Borrowed Precious Metals    
Inventory [Line Items]    
Inventories 24,215 21,642
Product Financing Arrangements    
Inventory [Line Items]    
Restricted inventories $ 518,613 $ 335,831
[1] Includes amounts of the consolidated variable interest entity as of June 30, 2023, which are presented separately in the table below.