EXIT AND DISPOSAL ACTIVITIES - Summary of Exit and Disposal Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 30, 2025	Mar. 31, 2024	Mar. 30, 2025	Mar. 31, 2024
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 3.5	$ 0.7	$ 4.0	$ 1.0
Corporate and shared operations
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	1.1	0.2	1.1	0.3
GPC | Operating Segments
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	0.3	0.1	0.3	0.0
HPC | Operating Segments
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 2.1	$ 0.4	$ 2.6	$ 0.7