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MARKET RISKS AND CONCENTRATIONS (Details Textual) (USD $)
In Millions, unless otherwise specified
12 Months Ended
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