Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Domestic and Foreign Loss before Income Tax (Details)

v3.20.4
Income Taxes - Schedule of Domestic and Foreign Loss before Income Tax (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Dec. 29, 2018
Income Tax Disclosure [Abstract]      
United States based operations $ (30,083) $ (101,197) $ (53,254)
Non-United States based operations (3,855) (7,559) (14,317)
Loss before income taxes $ (33,938) $ (108,756) $ (67,571)