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Inventories

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories, net of reserves, are comprised of the following (in thousands):



	December 31, 2018				December 31, 2017
Raw materials	$	181,654			$	140,051
Work in process	54,152				38,146
Finished goods	221,413				105,841
Total inventories	$	457,219			$	284,038