Inventories (Tables)

6 Months Ended

Jun. 30, 2022

Inventory, Net [Abstract]

Components of Inventory

Inventories consisted of the following:

(in thousands)	June 30, 2022		December 31, 2021
Raw materials	$	224,508	$	186,516
Work in progress	20,803		13,615
Finished goods	485,089		421,702
	730,400		621,833
Inventory reserve	(27,545)		(24,646)
LIFO adjustments (1)	(95,899)		(54,277)
Inventories, net	$	606,956	$	542,910

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(1) Represents the amount by which the current cost of LIFO inventories exceeded their carrying value.