XML 76 R64.htm IDEA: XBRL DOCUMENT v3.10.0.1

Short-term and Long-term Debt - Schedule of Debt Additional Information (Detail)	Sep. 29, 2018	Feb. 20, 2018	Dec. 30, 2017
4.25% unsecured notes due 2018
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate			4.25%
6.70% unsecured notes due 2019
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate			6.70%
6.125% unsecured notes due 2021
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	6.125%
3.25% unsecured notes due 2027
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	3.25%
4.10% unsecured notes due 2048
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	4.10%	4.10%

X

- Definition

Schedule Of Debt Instruments [Line Items]

+ References

No definition available.

+ Details

Name:	sna_ScheduleOfDebtInstrumentsLineItems
Namespace Prefix:	sna_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentAxis=sna_UnsecuredNotesDue20184.25Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=sna_UnsecuredNotesDue20196.70Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=sna_UnsecuredNotesDue20216.125Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=sna_UnsecuredNotesDue20273.25Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=sna_UnsecuredNotesDue20484.10Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: