Balance Sheet Information-OCI (Details 7) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011	Jan. 01, 2012
Accumulated net unrealized gain (loss) on:
Available-for-sale investments	$ 17,575		$ 17,575		$ 10,849
Foreign currency translation	260,587		260,587		300,788
Hedging activities	(22,641)		(22,641)		21,064
Total accumulated other comprehensive income	255,521		255,521		332,701
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent
Available-for-sale investments	841	7,575	3,834	9,256
Foreign currency translation	7,353	8,221	(6,842)	848
Hedging activities	0	1,890	0	1,352
Other Comprehensive Income (Loss), Tax	$ 8,194	$ 17,686	$ (3,008)	$ 11,456