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Accounts Receivable and Unbilled Revenue, Net (Details) - USD ($)
$ in Thousands
Jan. 01, 2016
Jan. 02, 2015
Accounts Receivable and Unbilled Revenue, Net [Abstract]    
Accounts receivable $ 33,159 $ 28,154
Unbilled revenue 10,768 10,597
Allowance for doubtful accounts (1,881) (1,330)
Accounts receivable and unbilled revenue, net $ 42,046 $ 37,421