Property and Equipment:

3 Months Ended

Mar. 31, 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
	March 31, 2023		December 31, 2022
Machinery and equipment	$	430,258	$	414,811
Land, building and building improvements	275,463		274,063
Molds	77,557		77,203
Computer equipment and software	119,438		115,214
Furniture and fixtures	30,166		29,876
Instruments placed with customers(1)	102,666		98,481
Construction in progress	138,996		152,909
Total property, plant and equipment, cost	1,174,544		1,162,557
Accumulated depreciation	(550,432)		(526,444)
Property, plant and equipment, net	$	624,112	$	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 $23.4 million and $21.4 million for the three months ended March 31, 2023 and 2022, respectively.