Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Narrative) (Details)

v2.3.0.15
Net Income (Loss) Per Share (Narrative) (Details)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 01, 2011
Sep. 25, 2010
Oct. 01, 2011
Sep. 25, 2010
Net Income Loss Per Share [Line Items]        
Exercisable date of warrants Jul. 24, 2009 Jul. 24, 2009 Jul. 24, 2009 Jul. 24, 2009
5.75% Convertible Senior Notes Due 2012 [Member]
       
Net Income Loss Per Share [Line Items]        
Anti-dilutive shares 24 24 24 24
Stated percentage of debt instrument 5.75% 5.75% 5.75% 5.75%
Maturity date of senior notes 2012 2012 2012 2012
Stock Options And Restricted Stock Units [Member]
       
Net Income Loss Per Share [Line Items]        
Anti-dilutive shares 53 65 27 21