Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Earnings Per Share, Basic and Diluted [Abstract]
Net income	$ 78,609	$ 31,104
Weighted-average common shares used to calculate basic net income per share (in shares)	274,936	267,940
2023 Notes	11	11
2015 Warrants	10,668	2,523
Share-based awards	6,536	7,259
Weighted average common shares used to calculate diluted net income per share (in shares)	292,151	277,733
Net income per share - basic (in usd per share)	$ 0.29	$ 0.12
Net income per share - diluted (in usd per share)	$ 0.27	$ 0.11