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v2.4.1.9

Short-term and Long-term Debt - Short-term and Long-term Debt (Detail) (USD $) In Millions, unless otherwise specified | Jan. 03, 2015 | Dec. 28, 2013
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Schedule Of Debt Instruments [Line Items] |  |
Other debt | $ 69.3 sna_OtherShortTermAndLongTermDebt | $ 22.0 sna_OtherShortTermAndLongTermDebt
Long-term debt including current maturities | 919.3 us-gaap_LongTermDebt | 972.0 us-gaap_LongTermDebt
Less: notes payable and current maturities of long-term debt | (56.6)us-gaap_NotesPayableCurrent | (113.1)us-gaap_NotesPayableCurrent
Total long-term debt | 862.7 us-gaap_LongTermDebtNoncurrent | 858.9 us-gaap_LongTermDebtNoncurrent
Long-term debt including current maturities | 919.3 us-gaap_LongTermDebt | 972.0 us-gaap_LongTermDebt
5.85% Unsecured Notes Due March 2014 [Member] |  |
Schedule Of Debt Instruments [Line Items] |  |
Unsecured notes |  | 100.0 us-gaap_UnsecuredLongTermDebt / us-gaap_DebtInstrumentAxis = sna_FivePointEightFivePercentageUnsecuredNotesDueMarchTwoThousandFourteenMember
5.50% Unsecured Notes Due 2017 [Member] |  |
Schedule Of Debt Instruments [Line Items] |  |
Unsecured notes | 150.0 us-gaap_UnsecuredLongTermDebt / us-gaap_DebtInstrumentAxis = sna_FivePointFiveZeroPercentageUnsecuredNotesDueTwoThousandSeventeenMember | 150.0 us-gaap_UnsecuredLongTermDebt / us-gaap_DebtInstrumentAxis = sna_FivePointFiveZeroPercentageUnsecuredNotesDueTwoThousandSeventeenMember
4.25% Unsecured Notes Due 2018 [Member] |  |
Schedule Of Debt Instruments [Line Items] |  |
Unsecured notes | 250.0 us-gaap_UnsecuredLongTermDebt / us-gaap_DebtInstrumentAxis = sna_FourPointTwoFivePercentageUnsecuredNotesDueTwoThousandEighteenMember | 250.0 us-gaap_UnsecuredLongTermDebt / us-gaap_DebtInstrumentAxis = sna_FourPointTwoFivePercentageUnsecuredNotesDueTwoThousandEighteenMember
6.70% Unsecured Notes Due 2019 [Member] |  |
Schedule Of Debt Instruments [Line Items] |  |
Unsecured notes | 200.0 us-gaap_UnsecuredLongTermDebt / us-gaap_DebtInstrumentAxis = sna_SixPointSevenZeroPercentageUnsecuredNotesDueTwoThousandNineteenMember | 200.0 us-gaap_UnsecuredLongTermDebt / us-gaap_DebtInstrumentAxis = sna_SixPointSevenZeroPercentageUnsecuredNotesDueTwoThousandNineteenMember
6.125% Unsecured Notes Due 2021 [Member] |  |
Schedule Of Debt Instruments [Line Items] |  |
Unsecured notes | $ 250.0 us-gaap_UnsecuredLongTermDebt / us-gaap_DebtInstrumentAxis = sna_SixPointOneTwoFivePercentageUnsecuredNotesDueTwoThousandTwentyOneMember | $ 250.0 us-gaap_UnsecuredLongTermDebt / us-gaap_DebtInstrumentAxis = sna_SixPointOneTwoFivePercentageUnsecuredNotesDueTwoThousandTwentyOneMember

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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20 -Article 5 + Details
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