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v3.21.2

LEASES - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Leases [Abstract] |  |
Lease and sublease income | $ 2.3 | $ 2.1

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- Definition Lease And Sublease Income + References No definition available. + Details
Name: | spb_LeaseAndSubleaseIncome
Namespace Prefix: | spb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration