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Note 7 - Other Current Assets (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 23, 2012
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Restricted Investments | $ 1,620

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | us-gaap_RestrictedInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant