Inventories	3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]
Inventories	InventoriesThe Company uses the last-in, last-out ("LIFO") method for substantially all U.S. inventories. The current cost of the U.S. inventories under the first-in, first-out ("FIFO") method was $392,595 and $310,141 at March 31, 2021 and December 31, 2020, respectively. These FIFO values have been reduced by approximately $108,753 and $77,251 at March 31, 2021 and December 31, 2020, respectively, to arrive at the LIFO value reported on the Condensed 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.

Inventories

3 Months Ended

Mar. 31, 2021

InventoriesThe Company uses the last-in, last-out ("LIFO") method for substantially all U.S. inventories. The current cost of the U.S. inventories under the first-in, first-out ("FIFO") method was $392,595 and $310,141 at March 31, 2021 and December 31, 2020, respectively. These FIFO values have been reduced by approximately $108,753 and $77,251 at March 31, 2021 and December 31, 2020, respectively, to arrive at the LIFO value reported on the Condensed 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.