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Components of Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 27, 2014
Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Accounts receivable, net $ 4,242 $ 5,361
Inventories 8,310 8,454
Prepaid and other current assets 186 247
Other assets 284 2,026
Assets of discontinued operations 13,022 16,088
Accounts payable 1,890 2,393
Accrued expenses and other current liabilities 3,672 2,295
Other liabilities 1,980 1,710
Liabilities of discontinued operations $ 7,542 $ 6,398