Quarterly report pursuant to Section 13 or 15(d)

Restructuring - Restructuring Reserve (Details)

v3.21.2
Restructuring - Restructuring Reserve (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 25, 2021
Sep. 26, 2020
Sep. 25, 2021
Sep. 26, 2020
Dec. 26, 2020
Canada          
Restructuring Reserve [Roll Forward]          
Restructuring charges $ 462 $ 651 $ 497 $ 3,362  
Canada | Severance and related expense          
Restructuring Reserve [Roll Forward]          
Beginning balance     309 1,121 $ 1,121
Restructuring charges     466   707
Cash paid     (468)   (1,519)
Ending balance 307   307   309
United States          
Restructuring Reserve [Roll Forward]          
Restructuring charges 0 $ 3,031 74 4,344  
United States | Severance and related expense          
Restructuring Reserve [Roll Forward]          
Beginning balance     825 $ 3,286 3,286
Restructuring charges     74   1,789
Cash paid     (822)   (4,250)
Ending balance $ 77   $ 77   $ 825