Property and Equipment:

9 Months Ended

Sep. 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
	September 30, 2023		December 31, 2022
Machinery and equipment	$	477,444	$	414,811
Land, building and building improvements	275,997		274,063
Molds	87,757		77,203
Computer equipment and software	120,743		115,214
Furniture and fixtures	30,311		29,876
Instruments placed with customers(1)	107,673		98,481
Construction in progress	106,051		152,909
Total property, plant and equipment, cost	1,205,976		1,162,557
Accumulated depreciation	(597,214)		(526,444)
Property, plant and equipment, net	$	608,762	$	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 $25.0 million and $72.8 million for the three and nine months ended September 30, 2023, respectively, and $23.0 million and $69.4 million for the three and nine months ended September 30, 2022, respectively.