Property and Equipment:

9 Months Ended

Sep. 30, 2020

Property, Plant and Equipment [Abstract]

Property and Equipment [Text Block]

Property and Equipment

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

	September 30, 2020		December 31, 2019
Machinery and equipment	$	258,083	$	219,057
Land, building and building improvements	234,368		230,454
Molds	60,379		60,155
Computer equipment and software	96,990		83,217
Furniture and fixtures	7,602		7,498
Instruments placed with customers(1)	83,844		74,434
Construction in progress	78,557		101,425
Total property and equipment, cost	819,823		776,240
Accumulated depreciation	(363,475)		(320,155)
Property and equipment, net	$	456,348	$	456,085

______________________________

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

    Depreciation expense was $15.6 million and $46.7 million for the three and nine months ended September 30, 2020, respectively, as compared to $14.8 million and $44.6 million for the three and nine months ended September 30, 2019, respectively.