Balance Sheet Information Balance Sheet Information-AOCI Rollforward (Details 7) - USD ($)	3 Months Ended
	Apr. 03, 2016	Mar. 29, 2015
Accumulated Other Comprehensive Income (Loss)
Balance, Beginning of Period	$ (198,939,000)
Other comprehensive income (loss) before reclassifications, net	104,699,000
Amount reclassified from AOCI	1,410,000
Reclassification adjustment for other-than-temporary impairment losses	524,000
Tax effects	(2,027,000)	$ (2,878,000)
Balance, End of Period	(94,333,000)
Available-for-sale Securities [Member]
Accumulated Other Comprehensive Income (Loss)
Balance, Beginning of Period	842,000
Other comprehensive income (loss) before reclassifications, net	(871,000)
Amount reclassified from AOCI	(38,000)
Reclassification adjustment for other-than-temporary impairment losses	524,000
Tax effects	145,000
Balance, End of Period	602,000
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss)
Balance, Beginning of Period	(199,663,000)
Other comprehensive income (loss) before reclassifications, net	77,182,000
Amount reclassified from AOCI	0
Reclassification adjustment for other-than-temporary impairment losses	0
Tax effects	(2,172,000)
Balance, End of Period	(124,653,000)
Hedging Activities [Member]
Accumulated Other Comprehensive Income (Loss)
Balance, Beginning of Period	(118,000)
Other comprehensive income (loss) before reclassifications, net	28,388,000
Amount reclassified from AOCI	1,448,000
Reclassification adjustment for other-than-temporary impairment losses	0
Tax effects	0
Balance, End of Period	$ 29,718,000