Segment Information (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Identifiable and Long-Lived Assets by Product Grouping and Countries

Long-lived assets consist of property and equipment, net, and are shown below.

	December 31,
	2017		2016
	(In thousands)
Property and equipment, net:
United States	$	189,465	$	197,077
United Kingdom	24,171		25,321
Other countries	39,296		39,556
Total property and equipment, net	$	252,932	$	261,954

Revenues By Product Grouping

Revenues by product grouping were as follows for the years ended:

	December 31,
	2017		2016		2015
	(In thousands)
Net revenues:
Workspace Services revenues(1)	$	1,734,837	$	1,684,897	$	1,633,820
Networking revenues(2)	790,434		782,875		749,910
Content Collaboration revenues(3)	167,115		136,842		106,655
Professional services(4)	132,300		131,466		155,769
Total net revenues	$	2,824,686	$	2,736,080	$	2,646,154

(1) Workspace Services revenues are primarily comprised of sales from the Company’s application virtualization solutions, which include XenDesktop and XenApp, the Company's enterprise mobility management solutions, which include XenMobile, related license updates and maintenance and support and cloud offerings.

(2) Networking revenues primarily include NetScaler ADC and NetScaler SD-WAN, related license updates and maintenance and support and cloud offerings.

(3) Content Collaboration revenues primarily include ShareFile, Podio and related cloud offerings.

(4) Professional services revenues are primarily comprised of revenues from consulting services and product training and certification services.

Revenues By Geographic Location

The following table presents revenues by geographic location, for the years ended:

	December 31,
	2017		2016		2015
	(In thousands)
Net revenues:
Americas	$	1,644,008	$	1,598,896	$	1,487,364
EMEA	888,072		863,517		873,620
APJ	292,606		273,667		285,170
Total net revenues	$	2,824,686	$	2,736,080	$	2,646,154