RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Sep. 30, 2025 |
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| Related Party Transaction [Line Items] | |||||
| Selling, general and administrative expenses | $ 93.7 | $ 144.5 | $ 263.2 | $ 315.1 | |
| Accounts payable | 167.7 | 167.7 | $ 119.5 | ||
| Co-Packing Agreement | |||||
| Related Party Transaction [Line Items] | |||||
| Purchase from related party | 34.1 | 17.1 | 80.6 | 44.2 | |
| Related Party | |||||
| Related Party Transaction [Line Items] | |||||
| Accounts payable | 15.0 | 15.0 | $ 3.7 | ||
| Related Party | Master Service Agreement | |||||
| Related Party Transaction [Line Items] | |||||
| Selling, general and administrative expenses | $ 0.0 | $ 0.7 | $ 1.0 | $ 2.3 | |
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- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of transactions with related party during the financial reporting period. 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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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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