Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2011	Jan. 01, 2011
Consolidated Balance Sheets [Abstract]
Allowances of receivables	$ 0	$ 7,604
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	400	400
Preferred stock, shares outstanding
Preferred stock, shares issued
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	600,000	600,000
Common stock, shares issued	272,680	267,116
Common stock, shares outstanding	272,680	267,116
Treasury stock, at cost, shares	33,358	38,922