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Accounts Receivable and Unbilled Revenue, Net (Details) - USD ($)
$ in Thousands
Dec. 30, 2016
Jan. 01, 2016
Accounts Receivable and Unbilled Revenue, Net [Abstract]    
Accounts receivable $ 39,335 $ 33,159
Unbilled revenue 10,638 10,768
Allowance for doubtful accounts (2,574) (1,881)
Accounts receivable and unbilled revenue, net $ 47,399 $ 42,046