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Inventories
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Inventories InventoriesThe Company uses the LIFO method for substantially all U.S. inventories. The current cost of the U.S. inventories under the FIFO method was $310,141 and $365,585 at December 31, 2020 and December 31, 2019, respectively. These FIFO values have been reduced by approximately $77,251 and $87,616 at December 31, 2020 and December 31, 2019, respectively, to arrive at the LIFO value reported on the Consolidated Balance Sheets. The Company's remaining inventories have been valued under the FIFO method. All LIFO inventories are valued at the lower of cost or market. All other inventories are stated at the lower of cost or net realizable value.