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MARKET RISKS AND CONCENTRATIONS (Details Textual) (USD $) In Millions, unless otherwise specified |  |  | 12 Months Ended
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Dec. 30, 2012 | Dec. 25, 2011 | Dec. 30, 2012 Accounts Receivable [Member] | Dec. 30, 2012 Sales Revenue, Goods, Net [Member] | Dec. 30, 2012 Workforce Subject To Collective Bargaining Arrangements Expiring Within One Year [Member]
Concentration Risk, Percentage |  |  | 12.90% | 9.70% | 36.30%
Assets, Net | $ 277.0 | $ 194.3 |  |  |

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