Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 38,500	$ 58,584	$ 126,538	$ 126,074
Weighted-average common shares used to calculate basic net income per share (in shares)	278,977	271,350	277,034	269,643
2023 Notes	9	11	11	11
2015 Warrants	11,587	6,286	11,042	3,148
Share-based awards	6,385	5,681	6,444	5,958
Weighted average common shares used to calculate diluted net income per share (in shares)	296,958	283,328	294,531	278,760
Net income per share - basic (in usd per share)	$ 0.14	$ 0.22	$ 0.46	$ 0.47
Net income per share - diluted (in usd per share)	$ 0.13	$ 0.21	$ 0.43	$ 0.45