SEGMENT INFORMATION - Schedule of Segment Total Assets Relating to Segments (Details) - USD ($) $ in Millions	Jun. 28, 2026	Sep. 30, 2025
Segment Reporting [Line Items]
Total assets	$ 3,577.7	$ 3,379.6
Other current assets	1,000.2	738.1
Non-current assets	2,077.9	2,195.4
Operating Segments
Segment Reporting [Line Items]
Total assets	499.6	446.1
Operating Segments \| GPC
Segment Reporting [Line Items]
Total assets	177.7	161.4
Operating Segments \| H&G
Segment Reporting [Line Items]
Total assets	128.0	92.2
Operating Segments \| HPC
Segment Reporting [Line Items]
Total assets	$ 193.9	$ 192.5

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.

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