Derivatives - Schedule of Components of the Unrealized Gain (Loss) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Foreign Currency [Abstract] | ||||
| Hedging instruments (Interest rate swaps) | $ (13,523) | $ 9,598 | $ (26,040) | $ (11,627) |
| Hedged items (Unsecured notes) | 13,569 | (9,443) | 25,915 | 7,086 |
| Fair market value adjustments for hedge accounting recognized in interest expense | $ 46 | $ 155 | $ (125) | $ (4,541) |
| X | ||||||||||
- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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