Segment Information (Revenues By Product Grouping) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Revenue		$ 748,697	$ 742,365	$ 1,467,840	$ 1,439,557
Digital Workspace [Member]
Segment Reporting Information [Line Items]
Revenue	[1]	535,063	501,121	1,049,670	958,381
Networking revenues [Member]
Segment Reporting Information [Line Items]
Revenue	[2]	178,204	207,342	349,437	415,965
Professional Services [Member]
Segment Reporting Information [Line Items]
Revenue	[3]	$ 35,430	$ 33,902	$ 68,733	$ 65,211

[1] Digital Workspace revenues are primarily comprised of sales from the Company’s application virtualization solutions, which include Citrix Virtual Apps and Desktops, the Company's unified endpoint management solutions, which include Citrix Endpoint Management, related license updates and maintenance and support, Citrix Content Collaboration and cloud offerings.

[2] Networking revenues primarily include Citrix ADC and Citrix SD-WAN, related license updates and maintenance and support and cloud offerings.

[3] Professional services revenues are primarily comprised of revenues from consulting services and product training and certification services.