Inventories (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Sep. 30, 2025 |
|---|---|---|
| Inventory [Abstract] | ||
| Raw materials and supplies | $ 169.2 | $ 181.7 |
| Work in process | 21.1 | 33.9 |
| Finished products | 703.8 | 625.7 |
| Flocks | 35.6 | 33.7 |
| Inventories | $ 929.7 | $ 875.0 |
| X | ||||||||||
- Definition Flock Inventory No definition available.
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- Definition Inventory [Abstract] No definition available.
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- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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