Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 29, 2013

Accounting Policies [Abstract]

Weighted average shares used to calculate basic and diluted net income per share

The following table presents the calculation of weighted average shares used to calculate basic and diluted net income per share (in thousands):

	Three Months Ended		Nine Months Ended
	September 29, 2013	September 30, 2012	September 29, 2013	September 30, 2012
Weighted average shares outstanding	125,465	122,930	124,532	122,929
Effect of dilutive potential common shares from:
Convertible senior notes	1,028	906	1,052	941
Equity awards	4,596	3,719	4,290	3,812
Warrants sold in connection with convertible senior notes	9,512	4,952	8,756	5,444
Weighted average shares used in calculation of diluted net income per share	140,601	132,507	138,630	133,126
Potentially dilutive shares excluded from calculation due to anti-dilutive effect	317	2,727	1,305	2,871