Quarterly report pursuant to Section 13 or 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
Mar. 31, 2022
Jun. 30, 2021
Derivatives, Fair Value [Line Items]    
Inventories $ 764,263 $ 458,019
Precious metals held under financing arrangements [1] 87,450 154,742
Inventory and precious metals held under financing arrangements 851,713 612,761
Commemorative coin inventory, held at lower of cost or net realizable value (1,108) (406)
Premium on metals position (20,353) (11,017)
Precious metal value not hedged (21,461) (11,423)
Subtotal 830,252 601,338
Commitments at market:    
Open inventory purchase commitments 950,825 987,926
Open inventory sales commitments (861,977) (590,156)
Margin sale commitments (12,639) (7,322)
In-transit inventory no longer subject to market risk (23,965) (16,707)
Unhedgeable premiums on open commitment positions 9,073 8,638
Borrowed precious metals (67,824) (91,866)
Product financing arrangements (199,447) (201,028)
Advances on industrial metals 55 287
Commitments at market (205,899) 89,772
Precious metal subject to price risk 624,353 691,110
Precious metal subject to derivative financial instruments:    
Market value of derivative financial instruments 622,521 689,592
Net precious metals subject to commodity price risk 1,832 1,518
Precious metals forward contracts at market values    
Precious metal subject to derivative financial instruments:    
Market value of derivative financial instruments 299,310 175,352
Precious metals futures contracts at market values    
Precious metal subject to derivative financial instruments:    
Market value of derivative financial instruments $ 323,211 $ 514,240
[1] Includes amounts of the consolidated variable interest entity, which is presented separately in the table below.