Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
Derivative [Line Items] | ||||
Hedge percentage for foreign exchange transactional exposures, minimum | 70.00% | |||
Hedge percentage for foreign exchange transactional exposures, maximum | 90.00% | |||
Net Investment Hedging | ||||
Derivative [Line Items] | ||||
Pre-tax gains (losses) related to net investment hedges reclassified from other comprehensive income | $ 0 | $ 0 | $ 0 | $ 0 |