Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 9,429	$ 36,386	$ 88,038	$ 67,490
Weighted-average common shares used to calculate basic net income per share (in shares)	277,146	269,739	276,018	268,840
2023 Notes	11	11	11	11
2015 Warrants	10,871	637	10,770	1,580
Share-based awards	6,415	4,931	6,475	6,095
Weighted average common shares used to calculate diluted net income per share (in shares)	294,443	275,318	293,274	276,526
Net income per share - basic (in usd per share)	$ 0.03	$ 0.13	$ 0.32	$ 0.25
Net income per share - diluted (in usd per share)	$ 0.03	$ 0.13	$ 0.30	$ 0.24