Revenue (Tables)

6 Months Ended

Jun. 30, 2020

Revenue Recognition [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table presents our revenues disaggregated by geography, based on the billing addresses of our customers:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(In thousands)
U.S.	$	199,408	$	191,848	$	396,911	$	384,003
EMEA	52,964		51,595		105,069		103,741
China	29,026		29,448		59,213		57,690
Other	32,967		33,398		65,696		67,263
Total revenues	$	314,365	$	306,289	$	626,889	$	612,697