Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Statement of Financial Position [Abstract]
Allowance for receivables	$ 85	$ 0
Preferred stock par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock shares authorized (in shares)	400,000	400,000
Preferred stock, shares outstanding (in shares)	0	0
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	600,000,000	600,000,000
Common stock shares issued (in shares)	280,644,000	272,680,000
Common stock shares outstanding (in shares)	280,644,000	272,680,000
Treasury stock (in shares)	25,394,000	33,358,000