WBX East Africa and Alpen (Details) - USD ($) $ in Millions |
Jun. 30, 2024 |
Sep. 30, 2023 |
|---|---|---|
| Schedule of Equity Method Investments | ||
| Other assets | $ 366.9 | $ 360.0 |
| Alpen Food Company South Africa (Pty) Limited | ||
| Schedule of Equity Method Investments | ||
| Equity Method Investment, Ownership Percentage | 50.00% | |
| Alpen Food Company South Africa (Pty) Limited | Equity Method Investments | ||
| Schedule of Equity Method Investments | ||
| Other assets | $ 3.7 | $ 3.6 |
| Post Holdings, Inc. | Weetabix East Africa Limited | ||
| Schedule of Equity Method Investments | ||
| Noncontrolling Interest, Ownership Percentage by Parent | 50.10% |
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