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Basis of Presentation and Significant Accounting Policies - Schedule of Reconciliation of Cash And Cash Equivalents And Restricted Cash (Details) - USD ($)
$ in Thousands
Sep. 27, 2019
Dec. 28, 2018
Sep. 28, 2018
Dec. 29, 2017
Accounting Policies [Abstract]        
Cash and cash equivalents $ 112,327 $ 103,877 $ 102,195  
Restricted cash [1]   122 121  
Total cash, cash equivalents and restricted cash $ 112,327 $ 103,999 $ 102,316 $ 18,641
[1] Included in other assets on the Condensed Consolidated Balance Sheets.