XML 83 R68.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Inventories - Narrative (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 28, 2024 | Dec. 30, 2023 | Dec. 31, 2022
Geographic Valuation Methodologies Of Inventory [Line Items] |  |  |
Percentage of FIFO inventory | 57.00% | 59.00% |
Effect of LIFO inventory liquidation on income | $ 0 | $ 0 | $ 0
United States |  |  |
Geographic Valuation Methodologies Of Inventory [Line Items] |  |  |
Percentage of FIFO inventory | 35.00% |  |
Percentage of LIFO inventory | 65.00% |  |

X
- Definition Geographic Valuation Methodologies of Inventory [Line Items] + References No definition available. + Details
Name: | sna_GeographicValuationMethodologiesOfInventoryLineItems
Namespace Prefix: | sna_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The effect of liquidating LIFO (last in first out) inventory layers on income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SAB Topic 11.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480581/330-10-S99-3 + Details
Name: | us-gaap_EffectOfLIFOInventoryLiquidationOnIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage of FIFO (first in first out) inventory to total inventory as of the balance sheet date if other than 100 percent. + References No definition available. + Details
Name: | us-gaap_PercentageOfFIFOInventory
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent. + References No definition available. + Details
Name: | us-gaap_PercentageOfLIFOInventory
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |