Property and Equipment:

3 Months Ended

Mar. 31, 2020

Property, Plant and Equipment [Abstract]

Property and Equipment [Text Block]

Property and Equipment

Property and equipment consisted of the following (in thousands): 

	March 31, 2020			December 31, 2019
Machinery and equipment	$	241,059		$	219,057
Land, building and building improvements	233,548			230,454
Molds	60,312			60,155
Computer equipment and software	93,475			83,217
Furniture and fixtures	7,416			7,498
Instruments placed with customers(1)	74,292			74,434
Construction in progress	77,483			101,425
Total property and equipment, cost	787,585			776,240
Accumulated depreciation	(331,961		)	(320,155		)
Property and equipment, net	$	455,624		$	456,085

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⁽¹⁾Instruments placed with customers consist of drug-delivery and monitoring systems placed with customers.

Depreciation expense was $15.2 million and $15.1 million for the three months ended March 31, 2020 and 2019, respectively.