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IMPAIRMENT, RESTRUCTURING AND OTHER - Impairment, Restructuring and Other Charges (Details) - USD ($) $ in Millions | 3 Months Ended
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Dec. 28, 2024 | Dec. 30, 2023
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and other charges (recoveries), net | $ 16.5 | $ (7.1)
Loss on exchange of convertible debt investment | (7.0) |
Total impairment, restructuring and other charges (recoveries), net | 21.7 | (12.9)
Cost of sales—impairment, restructuring and other |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and other charges (recoveries), net | 1.8 | (5.8)
Right-of-use asset impairments | 1.7 | 0.0
Property, plant and equipment impairments | 1.6 | 0.0
Operating expenses |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and other charges (recoveries), net | 9.6 | (7.1)
Loss on exchange of convertible debt investment | $ 7.0 | $ 0.0

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