XML 54 R41.htm IDEA: XBRL DOCUMENT v3.21.2
Inventories (Details) - USD ($)
$ in Thousands
Jun. 25, 2021
Dec. 25, 2020
Inventory, Net [Abstract]    
Finished products and components $ 153,876 $ 133,122
Products and components in various stages of completion 95,695 83,791
Raw materials and purchased components 152,657 129,319
Inventory gross 402,228 346,232
Reduction to LIFO cost (64,703) (60,528)
Total $ 337,525 $ 285,704