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Receivables (Schedule Of Long-Term Finance And Contract Receivables) (Detail) (USD $) In Millions, unless otherwise specified | Dec. 29, 2012 | Dec. 31, 2011
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Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Finance Receivables, Due in 13 - 24 | $ 261.1 | $ 223.8
Finance Receivables, Due in 25 - 36 | 160.1 | 141.9
Finance Receivables, Due in 37 - 48 | 65.1 | 59.2
Finance Receivables, Due in 49 - 60 | 25.5 | 22.4
Finance Receivables, Due Thereafter | 0.7 | 0.6
Finance Receivables, Total | 512.5 | 447.9
Contract Receivables, Due in 13 - 24 | 54.6 | 44.9
Contract Receivables, Due in 25 - 36 | 45.4 | 37.0
Contract Receivables, Due in 37 - 48 | 32.4 | 28.6
Contract Receivables, Due in 49 - 60 | 21.4 | 18.6
Contract Receivables, Due Thereafter | 42.8 | 38.6
Contract Receivables, Total | $ 196.6 | $ 167.7

X
- Definition Contract Receivable Net Of Unearned Finance Charge Noncurrent + References No definition available. + Details
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- Definition Contract Receivable Net Of Unearned Finance Charge Noncurrent Due In Year Five + References No definition available. + Details
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Namespace Prefix: | sna_
Data Type: | xbrli:monetaryItemType
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X
- Definition Contract Receivable Net Of Unearned Finance Charge Noncurrent Due In Year Four + References No definition available. + Details
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- Definition Contract Receivable Net Of Unearned Finance Charge Noncurrent Due In Year Three + References No definition available. + Details
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X
- Definition Contract Receivable Net Of Unearned Finance Charge Noncurrent Due In Year Two + References No definition available. + Details
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- Definition Contract Receivable Net Of Unearned Finance Charge Noncurrent Due Thereafter + References No definition available. + Details
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- Definition Notes and loans receivable net of unearned finance charge noncurrent. + References No definition available. + Details
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- Definition Notes And Loans Receivable Net Of Unearned Finance Charge Noncurrent Due In Year Five + References No definition available. + Details
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- Definition Notes and loans receivable net of unearned finance charge noncurrent due in year four. + References No definition available. + Details
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- Definition Notes and loans receivable net of unearned finance charge noncurrent due in year three. + References No definition available. + Details
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- Definition Notes and loans receivable net of unearned finance charge noncurrent due in year two. + References No definition available. + Details
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- Definition Notes and loans receivable net of unearned finance charge noncurrent due thereafter. + References No definition available. + Details
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- Details
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