Inventories (Tables)

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Schedule of inventory

Inventories consist of the following at March 31, 2020 and December 31, 2019 (in thousands):

	March 31, 2020		December 31, 2019
Raw materials (1)	$	115,436	$	124,171
Work-in-process (1)	67,983		65,392
Finished goods (1)	141,543		138,302
Total	$	324,962	$	327,865

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(1) The components of inventory shown in the table above are net of allowance for obsolescence.