Share-Based Compensation-Expense Recognition (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based compensation expense	$ 34,449	$ 24,661	$ 64,479	$ 46,395
Total tax benefit recognized	(9,033)	(6,222)	(17,809)	(13,138)
Decrease in net income	25,416	18,439	46,670	33,257
Stock options and SARs [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based compensation expense	7,971	8,054	15,895	16,323
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based compensation expense	23,990	14,788	43,455	26,758
Employee Stock Purchase Plan Shares [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based compensation expense	2,488	1,819	5,129	3,314
Cost of revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based compensation expense	3,507	2,447	6,117	4,164
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based compensation expense	17,500	12,704	33,175	24,344
Sales and marketing [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based compensation expense	7,204	4,701	13,461	8,572
General and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based compensation expense	$ 6,238	$ 4,809	$ 11,726	$ 9,315