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Nature of Operations and Summary of Significant Accounting Policies - Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Thousands
Jul. 03, 2021
Jan. 02, 2021
Jun. 27, 2020
Dec. 28, 2019
Accounting Policies [Abstract]        
Cash and cash equivalents $ 73,436 $ 65,682 $ 57,499 $ 66,786
Restricted cash 84,708 958 3,450 1,487
Total Cash, Cash Equivalents, and Restricted Cash $ 158,144 $ 66,640 $ 60,949 $ 68,273