XML 61 R48.htm IDEA: XBRL DOCUMENT v3.10.0.1
Accounts Receivable and Unbilled Revenue, Net (Details) - USD ($)
$ in Thousands
Dec. 28, 2018
Dec. 29, 2017
Receivables Net Current [Abstract]    
Accounts receivable $ 35,794 $ 41,977
Unbilled revenue 20,454 12,891
Allowance for doubtful accounts (1,441) (2,601)
Accounts receivable and unbilled revenue, net $ 54,807 $ 52,267