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Consolidated Statements of Cash Flows (Parenthetical) | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
--- | --- | --- | ---
3.750% Senior Secured Notes |  |  |
Interest rate (as a percent) | 3.75% | 3.75% | 3.75%
3.000% Senior Secured Notes due 2031 |  |  |
Interest rate (as a percent) | 3.00% | 3.00% | 3.00%
2.250% Senior Secured Notes |  |  |
Interest rate (as a percent) | 2.25% | 2.25% | 2.25%
5.500% Senior Notes due 2026 |  |  |
Interest rate (as a percent) | 5.50% | 5.50% | 5.50%
3.625% Senior Secured Notes |  |  |
Interest rate (as a percent) | 3.625% | 3.625% | 3.625%

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