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Inventories - Components of Inventories (Detail) - USD ($)
$ in Thousands
Dec. 25, 2021
Dec. 26, 2020
Current inventory:    
Raw materials $ 78,545 $ 69,272
Work in process 17,764 16,846
Finished goods 52,809 44,792
Total current inventory 149,118 130,910
Long term inventory 12,655 9,639
Total inventory $ 161,773 $ 140,549