RESTRUCTURING AND RELATED CHARGES - Summary of Costs Incurred By Reporting Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 10.1	$ 12.2	$ 23.4	$ 61.6
Cumulative costs	141.1		141.1
Estimated future costs to be incurred	27.3		27.3
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	4.1	9.1	11.2	38.0
Cumulative costs	96.9		96.9
Estimated future costs to be incurred	20.0		20.0
HHI | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.0	0.3	0.0	0.9
Cumulative costs	1.4		1.4
Estimated future costs to be incurred	0.8		0.8
HPC | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	2.1	0.7	6.2	3.6
Cumulative costs	17.8		17.8
Estimated future costs to be incurred	0.9		0.9
GPC | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	3.9	2.1	6.0	18.8
Cumulative costs	22.8		22.8
Estimated future costs to be incurred	3.5		3.5
H&G | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.0	$ 0.0	0.0	$ 0.3
Cumulative costs	2.2		2.2
Estimated future costs to be incurred	$ 2.1		$ 2.1