Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Net income	$ 133,011	$ 262,661	$ 253,009	$ 805,555
Other comprehensive income (loss), before tax:
Unrealized holding gain (loss) on marketable securities	4,441	(3,880)	3,486	4,496
Reclassification adjustment for realized gain on marketable securities included in net income	(59)	(2,928)	(2,578)	(6,911)
Net unrealized holding gain (loss) on marketable securities	4,382	(6,808)	908	(2,415)
Foreign currency translation adjustments	21,007	(88,953)	(2,627)	(45,634)
Unrealized holding gain (loss) on derivatives qualifying as cash flow hedges	1,532	(15,021)	2,312	3,897
Reclassification adjustment for realized (gain) loss on derivatives qualifying as cash flow hedges included in net income	(604)	6,353	13,151	15,760
Net unrealized holding gain (loss) on derivatives qualifying as cash flow hedges	928	(8,668)	15,463	19,657
Total other comprehensive income (loss), before tax	26,317	(104,429)	13,744	(28,392)
Income tax expense (benefit) related to items of other comprehensive income (loss)	82	(15,216)	3,015	(7,646)
Total other comprehensive income (loss), net of tax	26,235	(89,213)	10,729	(20,746)
Comprehensive income	$ 159,246	$ 173,448	$ 263,738	$ 784,809