Stock Plans and Share-Based Compensation (Stock Options) (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended			1 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 31, 2010	Jan. 31, 2012 Stock Options [Member]	Dec. 28, 2012 Stock Options [Member] employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of current or former employees with stock options outstanding under the various plans					270
Term period of outstanding options granted				10 years
Unrecognized compensation cost					$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding & Exercisable at Beginning of Year (in shares)	4,145	9,111	16,233
Expired or Cancelled (in shares)	(15)	(27)	(6)
Exercised (in shares)	(2,458)	(4,939)	(7,116)
Outstanding & Exercisable at End of Year (in shares)	1,672	4,145	9,111
Weighted-Average Exercise Price [Abstract]
Outstanding (in dollars per share)	$ 5.64	$ 5.82	$ 5.87
Expired or cancelled (in dollars per share)	$ 6.36	$ 6.44	$ 6.10
Exercised (in dollars per share)	$ 5.83	$ 5.96	$ 5.93
Outstanding (in dollars per share)	$ 5.36	$ 5.64	$ 5.82