Share-Based Compensation-Expense Recognition (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	$ 50,195	$ 25,930	$ 114,674	$ 72,325
Total tax benefit recognized	(14,122)	(7,227)	(31,931)	(20,365)
Decrease in net income	36,073	18,703	82,743	51,960
Stock options and SARs [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	11,158	8,035	27,053	24,358
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	35,540	15,900	78,995	42,658
Employee Stock Purchase Plan Shares [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	3,497	1,995	8,626	5,309
Cost of revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	4,001	2,716	10,118	6,880
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	21,469	13,142	54,644	37,486
Sales and marketing [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	13,800	5,241	27,261	13,813
General and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	$ 10,925	$ 4,831	$ 22,651	$ 14,146