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IMPAIRMENT, RESTRUCTURING AND OTHER - Impairment, Restructuring and Other Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 29, 2025 | Dec. 28, 2024 | Mar. 30, 2024 | Mar. 29, 2025 | Mar. 30, 2024
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges (recoveries), net | $ 10.7 |  | $ 2.1 | $ 27.2 | $ (5.0)
Total impairment, restructuring and other charges, net | 18.0 |  | 77.0 | 39.6 | 64.1
Gain (loss) on exchange of convertible debt | 0.0 | $ 7.0 | 0.0 | 7.0 | 0.0
Restructuring and other charges, net | Cost of sales—impairment, restructuring and other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges (recoveries), net | 3.6 |  | 70.1 | 5.4 | 64.0
Restructuring and other charges, net | Operating expenses |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges (recoveries), net | 10.7 |  | 2.1 | 20.2 | (5.0)
Right-of-use asset impairments | Cost of sales—impairment, restructuring and other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges (recoveries), net | 2.8 |  | 0.7 | 4.5 | 0.9
Property, plant and equipment impairments | Cost of sales—impairment, restructuring and other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges (recoveries), net | $ 0.9 |  | $ 4.1 | $ 2.5 | $ 4.2

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