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Discontinued Operations - Schedule of Net Sales and Income Before Taxes from Discontinued Operations (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Discontinued Operations and Disposal Groups [Abstract]  
Net sales $ 2,907us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Income before taxes $ 3,203us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax