Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Transactions - Summary of Hedging Activities Shows Precious Metal Commodity Inventory Position Net of Open Sale and Purchase Commitments (Details)

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Derivative Instruments and Hedging Transactions - Summary of Hedging Activities Shows Precious Metal Commodity Inventory Position Net of Open Sale and Purchase Commitments (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Jun. 30, 2022
Derivatives, Fair Value [Line Items]    
Inventories $ 981,643 $ 741,018
Precious metals held under financing arrangements [1] 25,530 79,766
Inventory and precious metals held under financing arrangements 1,007,173 820,784
Commemorative coin inventory, held at lower of cost or net realizable value (948) (1,434)
Premium on metals position (29,358) (27,059)
Precious metal value not hedged (30,306) (28,493)
Commitments at market:    
Open inventory purchase commitments 921,108 681,835
Open inventory sales commitments (587,392) (497,949)
Margin sale commitments (17,682) (26,984)
In-transit inventory no longer subject to market risk (5,505) (13,164)
Unhedgeable premiums on open commitment positions 11,224 12,933
Borrowed precious metals (21,642) (59,417)
Product financing arrangements (335,831) (282,671)
Advances on industrial metals 698 768
Commitments at market (35,022) (184,649)
Precious metal subject to price risk 941,845 607,642
Precious metal subject to derivative financial instruments:    
Market value of derivative financial instruments 938,233 605,039
Net precious metals subject to commodity price risk 3,612 2,603
Precious metals forward contracts at market values    
Precious metal subject to derivative financial instruments:    
Market value of derivative financial instruments 767,767 278,326
Precious metals futures contracts at market values    
Precious metal subject to derivative financial instruments:    
Market value of derivative financial instruments $ 170,466 $ 326,713
[1] Includes amounts of the consolidated variable interest entity, which are presented separately in the table below.