Property and Equipment:

6 Months Ended

Jun. 30, 2023

Property, Plant and Equipment [Abstract]

Property and Equipment [Text Block]

Property, Plant and Equipment

Property, plant and equipment consists of the following (in thousands): 

	As of
	June 30, 2023		December 31, 2022
Machinery and equipment	$	449,210	$	414,811
Land, building and building improvements	276,062		274,063
Molds	79,845		77,203
Computer equipment and software	120,805		115,214
Furniture and fixtures	30,309		29,876
Instruments placed with customers(1)	107,281		98,481
Construction in progress	127,795		152,909
Total property, plant and equipment, cost	1,191,307		1,162,557
Accumulated depreciation	(574,767)		(526,444)
Property, plant and equipment, net	$	616,540	$	636,113

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

Depreciation expense was $24.4 million and $47.8 million for the three and six months ended June 30, 2023, respectively, and $24.9 million and $46.4 million for the three and six months ended June 30, 2022, respectively.