SHARE BASED COMPENSATION - Summary of Activity of the RSUs Granted (Details) $ / shares in Units, shares in Thousands, $ in Millions	6 Months Ended
Apr. 02, 2023 USD ($) $ / shares shares
RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	540
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 51.98
Fair Value at Grant Date \| $	$ 28.1
Time-based grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	270
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 53.36
Fair Value at Grant Date \| $	$ 14.2
Time-based grants \| Vesting in less than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	130
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 56.51
Fair Value at Grant Date \| $	$ 7.1
Time-based grants \| Vesting in more than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	140
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 50.50
Fair Value at Grant Date \| $	$ 7.1
Performance-based grants \| Vesting in more than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	270
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 50.63
Fair Value at Grant Date \| $	$ 13.9
SB/RH \| RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	510
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 52.08
Fair Value at Grant Date \| $	$ 26.6
SB/RH \| Time-based grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	240
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 53.77
Fair Value at Grant Date \| $	$ 12.7
SB/RH \| Time-based grants \| Vesting in less than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	100
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 58.52
Fair Value at Grant Date \| $	$ 5.6
SB/RH \| Time-based grants \| Vesting in more than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	140
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 50.50
Fair Value at Grant Date \| $	$ 7.1
SB/RH \| Performance-based grants \| Vesting in more than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) \| shares	270
Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares	$ 50.63
Fair Value at Grant Date \| $	$ 13.9

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(01)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate value of stock related to Restricted Stock Awards issued during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

+ Details

Name:	us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=spb_TimeBasedRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=spb_PerformanceBasedRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=spb_SbRhHoldingsLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: