Investments and Fair Value Measurements-Debt Instrument FV (Details 8) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2014	Dec. 29, 2013
Related costs and the fair values based on quoted market prices
Convertible debt, carrying value	$ 2,028,147	$ 1,985,363
Convertible Debt [Member]
Related costs and the fair values based on quoted market prices
Convertible debt, carrying value	2,028,147	1,985,363
Convertible debt, fair value	3,865,805	2,947,450
1.5% Sr. Convertible Notes due 2017 [Member]
Related costs and the fair values based on quoted market prices
Convertible debt, carrying value	850,874	829,792
Convertible debt, fair value	2,000,000	1,467,160
0.5% Sr. Convertible Notes due 2020 [Member]
Related costs and the fair values based on quoted market prices
Convertible debt, carrying value	1,177,273	1,155,571
Convertible debt, fair value	$ 1,865,805	$ 1,480,290