Inventories (Tables)

9 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories, net, are classified and valued as follows:

	September 30, 2020		December 31, 2019
Finished products and work in process	$	201,784	$	222,940
Raw materials	47,878		58,005
	$	249,662	$	280,945
Valued at lower of cost or market:
LIFO basis	$	145,314	$	168,935
Valued at lower of cost and net realizable value:
FIFO or average cost basis	104,348		112,010
	$	249,662	$	280,945