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Summary of Significant Accounting Policies - Inventories (Details) - USD ($)
$ in Thousands
Jan. 01, 2022
Jan. 02, 2021
Inventory, Net [Abstract]    
Finished products $ 137,187 $ 98,527
Materials and work in process 91,996 70,264
Last-in, first-out ("LIFO") allowance (47,592) (30,980)
Inventories, net $ 181,591 $ 137,811
Inventory valued by the LIFO costing method 84.00% 75.00%
FIFO inventory allowance $ 19,900 $ 12,000