Employee Stock Benefit Plans (Schedule Of Stock Options Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 30, 2011
Employee Stock Benefit Plans [Abstract]
Options, Outstanding at beginning of year	10,314
Options, Granted	2,038
Options, Exercised	(2,238)
Options, Cancelled	(213)
Options, Outstanding at end of year	9,901
Options, Available for grant	3,128
Weighted average exercise price, Outstanding at beginning of year	$ 22.25
Weighted average exercise price, Granted	$ 41.94
Weighted average exercise price, Exercised	$ 16.37
Weighted average exercise price, Cancelled	$ 29.49
Weighted average exercise price, Outstanding at end of year	$ 27.48