Employee Stock-Based Compensation and Benefit Plans (Detail of the Total Stock-Based Compensation Recognized by Income Statement Classification) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 183,941	[1]	$ 149,940	[1]	$ 92,909	[1]
Cost of services revenues
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	2,540		2,111		1,584
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	63,448		54,616		31,763
Sales, marketing and services
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	65,549		51,519		31,354
General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 52,404		$ 41,694		$ 28,208

[1] Represents expenses presented to management on a consolidated basis only and not allocated to the operating segments.