Condensed Consolidated Statements Of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017		Sep. 30, 2018	Sep. 30, 2017
Revenues:
Revenue	$ 732,476	$ 690,925	[1]	$ 2,172,033	$ 2,046,829	[1]
Cost of net revenues:
Total cost of net revenues	103,917	105,937		320,952	317,707
Gross margin	628,559	584,988		1,851,081	1,729,122
Operating expenses:
Research and development	111,557	107,113		323,050	316,478
Sales, marketing and services	262,562	249,499		800,505	764,564
General and administrative	86,084	79,378		227,151	237,033
Amortization of other intangible assets	4,063	3,733		11,748	11,071
Restructuring	(486)	8,552		13,138	18,678
Total operating expenses	463,780	448,275		1,375,592	1,347,824
Income from operations	164,779	136,713		475,489	381,298
Interest income	10,896	7,873		29,029	19,045
Interest expense	(19,962)	(11,726)		(60,840)	(35,286)
Other income (expense), net	3,702	981		(1,847)	3,166
Income from continuing operations before income taxes	159,415	133,841		441,831	368,223
Income tax expense	558	7,121		31,882	62,349
Income from continuing operations	158,857	126,720		409,949	305,874
(Loss) from discontinued operations, net of income taxes	0	0		0	(42,704)
Net income	$ 158,857	$ 126,720		$ 409,949	$ 263,170
Basic earnings (loss) per share:
Income from continuing operations, basic (in dollars per share)	$ 1.18	$ 0.84		$ 3.00	$ 2.01
(Loss) from discontinued operations, basic (in dollars per share)	0.00	0.00		0.00	(0.28)
Basic earnings per share (in dollars per share)	1.18	0.84		3.00	1.73
Diluted earnings (loss) per share:
Income from continuing operations, diluted (in dollars per share)	1.08	0.82		2.80	1.96
(Loss) from discontinued operations, diluted (in dollars per share)	0.00	0.00		0.00	(0.28)
Diluted earnings per share (in dollars per share)	$ 1.08	$ 0.82		$ 2.80	$ 1.68
Weighted average shares outstanding:
Basic (in shares)	135,055	151,156		136,752	151,896
Diluted (in shares)	147,568	154,627		146,554	156,384
Subscription [Member]
Revenues:
Revenue	$ 111,539	$ 81,373		$ 325,493	$ 225,060
Product and License [Member]
Revenues:
Revenue	170,952	168,716		523,707	529,990
Cost of net revenues:
Cost of net revenues	27,571	27,277		91,150	89,723
Support and Services [Member]
Revenues:
Revenue	449,985	440,836	[2]	1,322,833	1,291,779	[2]
Subscription, Support and Service [Member]
Cost of net revenues:
Cost of net revenues	64,717	61,096		195,625	184,922
Product [Member]
Cost of net revenues:
Amortization of product related intangible assets	$ 11,629	$ 17,564		$ 34,177	$ 43,062

[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, and Citrix Workspace, and related license updates, maintenance and subscription offerings.

[2] Support and services includes revenues from license updates and maintenance from perpetual offerings as well as professional services.