Segment Information (Revenues By Product Grouping) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Net revenues	$ 672,899		$ 589,495
Mobile and Desktop revenues [Member]
Net revenues	357,990	[1]	340,403	[1]
Networking and Cloud Solutions revenues [Member]
Net revenues	147,493	[2]	100,311	[2]
Professional services [Member]
Net revenues	26,512	[3]	25,873	[3]
Other [Member]
Net revenues	3,338		2,175
Infrastructure [Member]
Net revenues	535,333		468,762
SaaS [Member]
Net revenues	$ 137,566		$ 120,733

[1] revenues are primarily comprised of sales from the Company’s desktop virtualization products, XenDesktop and XenApp, and the Company's Mobility products which include XenMobile MDM and CloudGateway and related license updates and maintenance and support.

[2] .

[3] Networking and Cloud revenues are primarily comprised of sales from the Company’s cloud networking products which include NetScaler, CloudBridge and Bytemobile Smart Capacity, and the Company’s cloud platform products which include XenServer, CloudPlatform and CloudPortal and related license updates and maintenance and support. (3)Professional services revenues are primarily comprised of revenues from consulting services and product training and certification services.