Organization and Summary of Significant Accounting Policies (Details) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Weighted average shares used to calculate basic and diluted net income per share [Line Items]
Weighted average shares outstanding	125,076	122,999	123,399
Convertible senior notes	1,340	967	3,783
Equity awards	4,404	3,906	4,703
Warrants	9,116	5,821	7,052
Weighted average shares used in calculating diluted net income per share	139,936	133,693	138,937
Potentially dilutive shares excluded from calculation due to anti-dilutive effect	996	2,556	2,418