Share-Based Compensation (Summary Of Stock Option Plans) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 29, 2012 years
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of Shares, Outstanding at December 31, 2011	18.7
Weighted-Average Exercise Price, Outstanding at December 31, 2011	$ 7.70
Number of Shares, Granted	1.5
Weighted-Average Exercise Price. Granted	$ 8.42
Number of Shares, Exercised	1.1
Weighted-Average Exercise Price, Exercised	$ 4.99
Number of Shares, Forfeited	(0.2)
Weighted-Average Exercise Price, Cancelled	$ 7.79
Number of Shares, Outstanding at June 29, 2012	18.9
Weighted-Average Exercise Price, Outstanding at June 29, 2012	$ 7.91
Weighted Average Remaining Contractual Term (in years), Outstanding at June 29, 2012	4.3
Aggregate Intrinsic Value (In-The-Money), Outstanding at June 29, 2012	$ 10.6
Number of Shares, Exercisable at June 29, 2012	15.0
Weighted-Average Exercise Price, Exercisable at June 29, 2012	$ 7.88
Weighted-Average Remaining Contractual Term (in years), Exercisable at June 29, 2012	3.8
Aggregate Intrinsic Value (In-The-Money), Exercisable at June 29, 2012	$ 9.9