Balance Sheet Information-AOCI (Details 8) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Other Comprehensive Income
Cost of revenue	$ (741,039)	$ (799,383)
Research and development	(198,829)	(171,125)
Provision for income taxes	(140,591)	(67,665)
Total reclassifications for the period, net of tax	(1,189)	(1,930)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Other Comprehensive Income
Interest (expense) and other income (expense), net	570	(314)
Provision for income taxes	(195)	(175)
Total reclassifications for the period, net of tax	375	(489)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Other Comprehensive Income
Cost of revenue	(1,361)	(1,441)
Research and development	(203)	0
Total reclassifications for the period, net of tax	$ (1,564)	$ (1,441)