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Discontinued Operations - Summary Operating Results for Above-Described Discontinued Operations (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 30, 2012
Jan. 01, 2012
Jan. 02, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net sales $ 57,017 $ 104,006 $ 99,513
Income (loss) on operations before taxes (26,120) 694 (1,543)
Taxes on income (benefit) (9,164) 243 (580)
Income (loss) on operations, net of tax $ (16,956) $ 451 $ (963)