Revenue (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2020		2019
	(In thousands)
U.S.	$	197,503	$	192,155
EMEA	52,105		52,146
China	30,187		28,242
Other	32,729		33,865
Total revenues	$	312,524	$	306,408