XML 80 R96.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Pension Plans - Summary of Amounts Included in Accumulated Other Comprehensive Income Loss (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | Jan. 03, 2015 | Dec. 28, 2013
--- | --- | ---
Compensation and Retirement Disclosure [Abstract] |  |
Net loss, tax | $ 134.9 sna_PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossNetGainsLossesTax | $ 96.5 sna_PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossNetGainsLossesTax
Prior service cost, tax | $ 2.0 sna_PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossNetPriorServiceCostCreditTax | $ 2.3 sna_PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossNetPriorServiceCostCreditTax

X
- Definition Pension and other postretirement benefit plans, accumulated other comprehensive income (loss), net gains (losses), tax + References No definition available. + Details
Name: | sna_PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossNetGainsLossesTax
Namespace Prefix: | sna_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Net Prior Service Cost Credit Tax + References No definition available. + Details
Name: | sna_PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossNetPriorServiceCostCreditTax
Namespace Prefix: | sna_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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