XML 72 R54.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Receivables - Components of Current Finance and Contract Receivables (Parenthetical) (Detail) - USD ($) $ in Millions | Dec. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Receivables [Abstract] |  |
Unearned finance charges, finance receivables | $ 21.0 | $ 17.0
Unearned finance charges, contract receivable | $ 17.6 | $ 15.6

X
- Definition Deferred discounts finance charges and interest included in contract receivables current. + References No definition available. + Details
Name: | sna_DeferredDiscountsFinanceChargesAndInterestIncludedInContractReceivablesCurrent
Namespace Prefix: | sna_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Deferred discounts finance charges and interest included in notes and loans receivable current. + References No definition available. + Details
Name: | sna_DeferredDiscountsFinanceChargesAndInterestIncludedInNotesAndLoansReceivableCurrent
Namespace Prefix: | sna_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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