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Accounts Receivable (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 29, 2014
Dec. 29, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Trade receivables $ 104,088 $ 82,809
Other receivables 7,807 7,724
Receivables, current 111,895 90,533
Allowance for doubtful accounts (452) (910)
Accounts receivable, net $ 111,443 $ 89,623