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Note 8 - Debt (Detail) (USD $) | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 30, 2012 Revolving Line of Credit [Member] | Jan. 01, 2012 Revolving Line of Credit [Member] | Dec. 30, 2012 Securitization Facility [Member] Facility Fee [Member] | Dec. 30, 2012 Securitization Facility [Member] Standby Letter of Credit Related to Workers' Compensation [Member] | Jan. 01, 2012 Securitization Facility [Member] Standby Letter of Credit Related to Workers' Compensation [Member] | Dec. 31, 2012 Securitization Facility [Member] | Dec. 30, 2012 Securitization Facility [Member] | Jan. 01, 2012 Securitization Facility [Member] | Dec. 30, 2012 Unsecured, uncommitted short-term local credit facilities [Member] | Jan. 01, 2012 Unsecured, uncommitted short-term local credit facilities [Member]
Line of Credit Facility, Maximum Borrowing Capacity | $ 150,000,000 |  |  |  |  |  | $ 150,000,000 |  | $ 12,900,000 |
Line of Credit Facility, Amount Outstanding | 0 | 6,200,000 |  |  |  |  | 63,000,000 | 84,000,000 | 1,100,000 | 6,100,000
Line of Credit Facility, Remaining Borrowing Capacity | 150,000,000 | 143,800,000 |  |  |  |  | 32,000,000 | 15,900,000 |  |
Line of Credit Facility, Interest Rate at Period End |  | 2.90% |  |  |  |  | 1.40% | 1.43% | 9.56% | 13.40%
Line of Credit Facility, Commitment Fee Percentage (in Basis Points) | 0.25% |  | 0.60% |  |  |  |  |  |  |
Duration of Debt Facility |  |  |  |  |  | 3 years |  |  |  |
Letters of Credit Outstanding, Amount |  |  |  | $ 55,000,000 | $ 50,100,000 |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate (in Basis Points) |  |  |  |  |  |  | 0.55% |  |  |

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- Definition Duration (in years) of debt facility + References No definition available. + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition The effective interest rate at the end of the reporting period. + 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(b),22(b)) -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, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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(b),22(b)) -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, 22 -Article 5 + Details
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