Derivatives - Schedule of Carrying Value of 2028 and 2029 Notes (Details) - Designated as Hedging Instrument - Long-Term Debt - USD ($) $ in Thousands |
Jun. 30, 2026 |
Sep. 30, 2025 |
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| 2028 Notes | ||
| Open Forward Foreign Currency Contract [Line Items] | ||
| Carrying Value | $ 705,397 | $ 720,521 |
| Cumulative Hedging Adjustment | (3,074) | 9,445 |
| 2029 Notes | ||
| Open Forward Foreign Currency Contract [Line Items] | ||
| Carrying Value | 742,136 | 756,102 |
| Cumulative Hedging Adjustment | (4,549) | 10,232 |
| 2031 Notes | ||
| Open Forward Foreign Currency Contract [Line Items] | ||
| Carrying Value | 496,045 | 0 |
| Cumulative Hedging Adjustment | $ 1,386 | $ 0 |
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- Definition Amount of liability hedged in fair value hedging relationship. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk. Excludes cumulative basis adjustment related to foreign exchange risk. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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