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SEGMENT INFORMATION - Net Sales by Product Category (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 28, 2024 | Dec. 30, 2023
Revenue from External Customer [Line Items] |  |
Net sales | $ 416.8 | $ 410.4
U.S. Consumer |  |
Revenue from External Customer [Line Items] |  |
Net sales | 340.9 | 306.7
U.S. Consumer | Lawn care |  |
Revenue from External Customer [Line Items] |  |
Net sales | 124.3 | 118.8
U.S. Consumer | Growing media and mulch |  |
Revenue from External Customer [Line Items] |  |
Net sales | 93.4 | 72.0
U.S. Consumer | Controls |  |
Revenue from External Customer [Line Items] |  |
Net sales | 64.6 | 53.4
U.S. Consumer | Roundup® marketing agreement |  |
Revenue from External Customer [Line Items] |  |
Net sales | 27.7 | 23.4
U.S. Consumer | Other, primarily gardening |  |
Revenue from External Customer [Line Items] |  |
Net sales | 30.9 | 39.1
Hawthorne |  |
Revenue from External Customer [Line Items] |  |
Net sales | 52.1 | 80.1
Hawthorne | Lighting |  |
Revenue from External Customer [Line Items] |  |
Net sales | 22.9 | 31.9
Hawthorne | Growing environment |  |
Revenue from External Customer [Line Items] |  |
Net sales | 2.6 | 11.5
Hawthorne | Nutrients |  |
Revenue from External Customer [Line Items] |  |
Net sales | 17.5 | 16.6
Hawthorne | Growing media |  |
Revenue from External Customer [Line Items] |  |
Net sales | 4.9 | 11.2
Hawthorne | Other, primarily hardware |  |
Revenue from External Customer [Line Items] |  |
Net sales | 4.2 | 8.9
Other |  |
Revenue from External Customer [Line Items] |  |
Net sales | 23.8 | 23.6
Other | Lawn care |  |
Revenue from External Customer [Line Items] |  |
Net sales | 2.3 | 2.3
Other | Growing media |  |
Revenue from External Customer [Line Items] |  |
Net sales | 12.6 | 13.2
Other | Other, primarily gardening and controls |  |
Revenue from External Customer [Line Items] |  |
Net sales | $ 8.9 | $ 8.1

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