Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

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

	March 31, 2019			December 31, 2018
Machinery and equipment	$	207,665		$	203,431
Land, building and building improvements	216,042			212,283
Molds	59,695			59,700
Computer equipment and software	81,834			80,420
Furniture and fixtures	7,410			7,409
Instruments placed with customers(1)	64,111			60,757
Construction in progress	73,182			70,864
Total property and equipment, cost	709,939			694,864
Accumulated depreciation	(277,001		)	(262,223		)
Property and equipment, net	$	432,938		$	432,641