Stock-Based Compensation And Other Stock Plans (Performance Awards) (Narrative) (Details) (Performance Awards [Member], USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 years		Jan. 01, 2011	Jan. 02, 2010
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Weighted average contractual term (in years)	3
Maximum stock percentage to be awarded	100.00%
Weighted-average grant date fair value granted	$ 55.97	[1]	$ 41.01	$ 29.69
Shares granted	371,000
Shares vested	114,000
Unrecognized compensation cost related to non-vested award	$ 17.6
Cost expected to be recognized over weighted-average period, in years	1.7
Performance awards shares vested	54,208		0	0
Performance awards shares paid out	0		0
Restricted Stock Units [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Performance period for awards granted (in years)	1
Awards granted vesting period (in years)				2
Shares granted	159,970		169,921	65,819
Units granted vesting date	2013		2012	2011
Shares vested				6,133

[1] Weighted-average