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Note 7 - Debt (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 29, 2013 | Dec. 30, 2012
Note 7 - Debt (Details) [Line Items] |  |
Delayed Funding Option Term, Maximum | 35 days |
Facility Fee [Member] | Securitization Facility [Member] |  |
Note 7 - Debt (Details) [Line Items] |  |
Line of Credit Facility, Commitment Fee Percentage (in Basis Points) | 0.40% |
Revolving Line of Credit [Member] |  |
Note 7 - Debt (Details) [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 200,000,000 | $ 150,000,000
Line of Credit Facility, Amount Outstanding | 0 | 0
Line of Credit Facility, Remaining Borrowing Capacity | 200,000,000 | 150,000,000
Line of Credit Facility, Commitment Fee Percentage (in Basis Points) | 0.25% |
Securitization Facility [Member] | Standby Letter of Credit Related to Workers' Compensation [Member] |  |
Note 7 - Debt (Details) [Line Items] |  |
Letters of Credit Outstanding, Amount | 55,000,000 | 55,000,000
Securitization Facility [Member] |  |
Note 7 - Debt (Details) [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | 150,000,000 |
Line of Credit Facility, Amount Outstanding | 28,000,000 | 63,000,000
Line of Credit Facility, Remaining Borrowing Capacity | 67,000,000 | 32,000,000
Line of Credit Facility, Interest Rate at Period End | 0.97% | 1.40%
Unsecured, uncommitted short-term local credit facilities [Member] |  |
Note 7 - Debt (Details) [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | 15,300,000 |
Line of Credit Facility, Amount Outstanding | $ 300,000 | $ 1,100,000
Line of Credit Facility, Interest Rate at Period End | 10.75% | 9.56%

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- Definition Delayed funding option that allows the bank to delay honoring a funding request in the event there is market dislocation + References No definition available. + Details
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- 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
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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
Name: | us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

X
- 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 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 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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Balance Type: | credit
Period Type: | instant