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Inventories - Additional Information (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Percentage of LIFO inventory 58.00% 41.00%
Excess of current costs over stated LIFO value $ 12.5 $ 12.5
Inventory obsolescence reserves $ 9.8 $ 12.0