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Note 9 - Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified | Jul. 26, 2014
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Insurance Settlements Receivable | $ 2,290
Workforce Subject to Collective Bargaining Arrangements |
Multiemployer Plans, Collective-Bargaining Arrangement, Percentage of Employer's Participants | 91.00%
Workforce Subject to Collective Bargaining Arrangements Expiring within One Year |
Multiemployer Plans, Collective-Bargaining Arrangement, Percentage of Employer's Participants | 29.00%

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- Definition Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. + References No definition available. + Details
Name: | us-gaap_InsuranceSettlementsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Percentage of employee participants subject to a collective bargaining arrangement to all of the employer's participants in a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450657-114947 + Details
Name: | us-gaap_MultiemployerPlansCollectiveBargainingArrangementPercentageOfEmployersParticipants
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant