XML 29 R79.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Income Taxes (Operating Loss Carry Forwards) (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 29, 2012
Income Taxes [Line Items] |
Total net operating loss carryforwards | 313.2
State [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 132.6
U.S. [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards |
Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 180.6
2013 - 2017 [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 29.6
2013 - 2017 [Member] | U.S. [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards |
2013 - 2017 [Member] | Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 29.6
2018 - 2022 [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 0.3
2018 - 2022 [Member] | State [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 0.1
2018 - 2022 [Member] | U.S. [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards |
2018 - 2022 [Member] | Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 0.2
2023 - 2027 [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 48.7
2023 - 2027 [Member] | State [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 3.6
2023 - 2027 [Member] | U.S. [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards |
2023 - 2027 [Member] | Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 45.1
2028 - 2032 [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 128.9
2028 - 2032 [Member] | State [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 128.9
2028 - 2032 [Member] | U.S. [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards |
Indefinite [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 105.7
Indefinite [Member] | U.S. [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards |
Indefinite [Member] | Foreign [Member] |
Income Taxes [Line Items] |
Total net operating loss carryforwards | 105.7
Minimum [Member] | 2013 - 2017 [Member] |
Income Taxes [Line Items] |
Expiration Dates | 2013
Minimum [Member] | 2018 - 2022 [Member] |
Income Taxes [Line Items] |
Expiration Dates | 2018
Minimum [Member] | 2023 - 2027 [Member] |
Income Taxes [Line Items] |
Expiration Dates | 2023
Minimum [Member] | 2028 - 2032 [Member] |
Income Taxes [Line Items] |
Expiration Dates | 2028
Maximum [Member] | 2013 - 2017 [Member] |
Income Taxes [Line Items] |
Expiration Dates | 2017
Maximum [Member] | 2018 - 2022 [Member] |
Income Taxes [Line Items] |
Expiration Dates | 2022
Maximum [Member] | 2023 - 2027 [Member] |
Income Taxes [Line Items] |
Expiration Dates | 2027
Maximum [Member] | 2028 - 2032 [Member] |
Income Taxes [Line Items] |
Expiration Dates | 2032

X
- Details
Name: | sna_IncomeTaxesLineItems
Namespace Prefix: | sna_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6969291&loc=d3e28680-109314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43, 289 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
Name: | us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The expiration date of each operating loss carryforward included in total operating loss carryforwards, or the applicable range of such expiration dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 48 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_OperatingLossCarryforwardsExpirationDates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration