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PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) $ in Millions | 6 Months Ended
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Mar. 29, 2026 USD ($)
Property, Plant and Equipment [Abstract] |
Increase in non-cash operating lease assets | $ 56.0

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- Definition Operating Lease, Right-Of-Use Asset, Increase + References No definition available. + Details
Name: | spb_OperatingLeaseRightOfUseAssetIncrease
Namespace Prefix: | spb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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