Balance Sheet Information-AOCI (Details 8) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Other Comprehensive Income
Cost of revenues	$ 812,904	$ 880,469	$ 2,401,901	$ 2,398,086
Income Tax Expense (Benefit)	126,697	41,871	316,030	100,051
OCI reclassifications to earnings net	(13,757)	(10,614)	(33,063)	(5,044)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Other Comprehensive Income
Gain (Loss) on Investments, Excluding Other than Temporary Impairments	1,079	888	1,630	2,090
Income Tax Expense (Benefit)	382	318	865	735
OCI reclassifications to earnings net	697	570	765	1,355
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Other Comprehensive Income
Cost of revenues	14,454	11,184	33,828	6,399
Income Tax Expense (Benefit)	0	0	0	0
OCI reclassifications to earnings net	$ (14,454)	$ (11,184)	$ (33,828)	$ (6,399)