Segment Information (Revenues By Product Grouping) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Net revenues		$ 662,677	$ 658,773
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net revenues		662,677	658,773
Operating Segments [Member] | Workspace Services revenues [Member]
Segment Reporting Information [Line Items]
Net revenues	[1]	399,504	399,514
Operating Segments [Member] | Delivery Networking revenues [Member]
Segment Reporting Information [Line Items]
Net revenues	[2]	193,420	195,470
Operating Segments [Member] | Cloud Services revenues [Member]
Segment Reporting Information [Line Items]
Net revenues	[3]	40,035	31,134
Operating Segments [Member] | Professional Services and Other [Member]
Segment Reporting Information [Line Items]
Net revenues	[4]	$ 29,718	$ 32,655

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

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

[3] Cloud revenues primarily include ShareFile, Podio and Citrix Cloud.

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