Derivative Instruments and Hedging Transactions - Schedule of Outstanding Commitments and Open Forward and Futures Contracts (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Derivative [Line Items] | ||
| Purchase commitments | $ 1,298,228 | $ 1,149,622 |
| Sales commitments | (1,330,402) | (521,442) |
| Margin sales commitments | (42,818) | (27,446) |
| Open derivative contracts | 990,643 | 1,238,635 |
| Forward contracts | ||
| Derivative [Line Items] | ||
| Open derivative contracts | 306,625 | 927,990 |
| Futures contracts | ||
| Derivative [Line Items] | ||
| Open derivative contracts | $ 684,018 | $ 310,645 |