Summary of Significant Accounting Policies (Tables)

3 Months Ended

Apr. 01, 2012

Summary of Significant 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
	April 1, 2012	April 3, 2011
Weighted average shares outstanding	122,642	126,517
Effect of dilutive potential common shares from:
Convertible senior notes	991	10,953
Equity awards	4,060	5,790
Warrants sold in connection with convertible senior notes	6,166	9,869
Weighted average shares used in calculation of diluted net income per share	133,859	153,129
Potentially dilutive shares excluded from calculation due to anti-dilutive effect	2,538	831