Segment Information (Schedule Of Segment Information) (Details) - USD ($) $ in Millions	3 Months Ended
Dec. 29, 2019	Dec. 30, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	$ (45.9)	$ 25.2
Corporate	5.2	7.5
Interest expense	34.8	57.0
Depreciation and amortization	41.7	66.0
Share and incentive based compensation	14.5	6.0
Restructuring and related charges	27.4	9.1
Transaction related charges	4.1	6.3
Loss on assets held for sale	32.8
Write-off from impairment of intangible assets	24.2
Unrealized gain on Energizer investment	(38.5)
Foreign currency translation on multicurrency divestiture loans	(2.5)
Salus	0.3
Other	0.4	3.4
Loss from operations before income taxes	(37.0)	(32.5)
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	107.4	122.8
SB/RH [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	(45.0)	26.6
Corporate	4.9	6.6
Interest expense	34.6	43.2
Depreciation and amortization	41.7	66.0
Share and incentive based compensation	14.4	5.6
Restructuring and related charges	27.4	9.1
Transaction related charges	4.1	6.3
Loss on assets held for sale	32.8
Write-off from impairment of intangible assets	24.2
Unrealized gain on Energizer investment	(38.5)
Foreign currency translation on multicurrency divestiture loans	(2.5)
Other	0.2	3.4
Loss from operations before income taxes	(35.9)	(17.4)
SB/RH [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	107.4	122.8
Hardware & Home Improvement [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Restructuring and related charges	0.5	2.8
Hardware & Home Improvement [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	42.8	55.6
Hardware & Home Improvement [Member] \| SB/RH [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	42.8	55.6
Home And Personal Care [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Restructuring and related charges	1.1	0.2
Home And Personal Care [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	36.4	35.0
Home And Personal Care [Member] \| SB/RH [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	36.4	35.0
Global Pet Supplies [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Restructuring and related charges	10.3	2.6
Global Pet Supplies [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	31.5	29.1
Global Pet Supplies [Member] \| SB/RH [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	31.5	29.1
Home and Garden Business [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Restructuring and related charges	0.1	0.7
Home and Garden Business [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	(3.3)	3.1
Home and Garden Business [Member] \| SB/RH [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total Segment Adjusted EBITDA	$ (3.3)	$ 3.1

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