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SEGMENT INFORMATION - Schedule of Segment Total Assets Relating to Segments (Details) - USD ($) $ in Millions	Mar. 29, 2026	Sep. 30, 2025
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 3,473.9	$ 3,379.6
Other current assets	784.8	738.1
Non-current assets	2,202.0	2,195.4
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	487.1	446.1
Operating Segments | GPC
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	155.3	161.4
Operating Segments | H&G
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	145.4	92.2
Operating Segments | HPC
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 186.4	$ 192.5

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