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Segments - Narrative (Details)	Dec. 28, 2024 revenueCategory
Segment Reporting [Abstract]
Products and services, number of categories	3

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- Definition

Products And Services, Number Of Categories

+ References

No definition available.

+ Details

Name:	sna_ProductsAndServicesNumberOfCategories
Namespace Prefix:	sna_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

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