Balance Sheet Information (Details 6) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 01, 2012	Apr. 03, 2011	Jan. 01, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax
Available-for-sale investments	$ 16,067		$ 10,849
Foreign currency translation	212,002		300,788
Hedging activities	(54,311)		21,064
Total Other Comprehensive Income, Net of Tax	173,758		332,701
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent
Available-for-sale investments	2,993	1,681
Foreign currency translation	(14,195)	(7,373)
Hedging activities	0	(538)
Other Comprehensive Income (Loss), Tax	$ (11,202)	$ (6,230)

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