SEGMENT INFORMATION - Schedule of Segment Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	$ 182.4	$ 174.7	$ 584.8	$ 428.1
Corporate	15.0	10.3	32.4	21.1
Interest expense	31.4	36.1	133.7	106.5
Depreciation and amortization	38.6	35.0	113.0	113.1
Share and incentive based compensation	7.5	14.2	24.2	43.3
Restructuring and related charges	10.1	12.2	23.4	61.6
Transaction related charges	11.1	6.1	41.4	17.4
(Gain) loss on Energizer investment	0.0	(60.1)	(6.9)	8.2
Loss on assets held for sale	0.0	1.1	0.0	26.8
Write-off from impairment of intangible assets	0.0	0.0	0.0	24.2
Inventory acquisition step-up	1.3	0.0	4.7	0.0
Salus CLO debt extinguishment	0.0	(76.2)	0.0	(76.2)
Other	3.8	4.8	9.7	6.0
Income from continuing operations before income taxes	63.6	191.2	209.2	76.1
HHI
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	68.0	43.6	239.6	156.0
HPC
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	11.8	25.0	88.1	69.4
GPC
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	49.2	50.6	158.5	122.1
H&G
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	53.4	55.5	98.6	80.6
SB/RH
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	182.4	174.7	584.8	428.1
Corporate	14.1	9.3	30.8	16.6
Interest expense	31.5	36.0	133.9	106.0
Depreciation and amortization	38.6	35.0	113.0	113.1
Share and incentive based compensation	6.9	13.8	23.0	42.3
Restructuring and related charges	10.1	12.2	23.4	61.6
Transaction related charges	11.1	6.1	41.4	17.4
(Gain) loss on Energizer investment	0.0	(60.1)	(6.9)	8.2
Loss on assets held for sale	0.0	1.1	0.0	26.8
Write-off from impairment of intangible assets	0.0	0.0	0.0	24.2
Inventory acquisition step-up	1.3	0.0	4.7	0.0
Other	3.7	4.6	9.7	5.3
Income from continuing operations before income taxes	65.1	116.7	211.8	6.6
SB/RH \| HHI
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	68.0	43.6	239.6	156.0
SB/RH \| HPC
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	11.8	25.0	88.1	69.4
SB/RH \| GPC
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	49.2	50.6	158.5	122.1
SB/RH \| H&G
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	$ 53.4	$ 55.5	$ 98.6	$ 80.6

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