XML 75 R63.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Goodwill and Other Intangible Assets - Weighted-Average Amortization Period by Major Class (Details) | 9 Months Ended
--- | ---
Oct. 01, 2022
Finite-Lived Intangible Assets [Line Items] |
Weighted-average amortization period (in years) | 12 years
Customer relationships |
Finite-Lived Intangible Assets [Line Items] |
Weighted-average amortization period (in years) | 14 years
Developed technology |
Finite-Lived Intangible Assets [Line Items] |
Weighted-average amortization period (in years) | 5 years
Internally developed software |
Finite-Lived Intangible Assets [Line Items] |
Weighted-average amortization period (in years) | 6 years
Patents |
Finite-Lived Intangible Assets [Line Items] |
Weighted-average amortization period (in years) | 14 years
Trademarks |
Finite-Lived Intangible Assets [Line Items] |
Weighted-average amortization period (in years) | 9 years
Other |
Finite-Lived Intangible Assets [Line Items] |
Weighted-average amortization period (in years) | 39 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=sna_InternallyDevelopedSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=sna_OtherFiniteLivedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |