Stock-Based Compensation (Schedule Of Restricted Stock Unit Activity) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 29, 2012
Common stock issuable per restricted stock unit		1
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Beginning balance of outstanding restricted stock, Shares	4,738,000	5,134,000
Granted, Shares	565,546	1,230,000
Vested, Shares		(1,475,000)
Forfeited or not earned, Shares		151,000
Ending balance of outstanding restricted stock, Shares		4,738,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value, Beginning Balance of outstanding restricted stock	$ 20.63	$ 19.99
Weighted Average Grant Date Fair Value, Granted		$ 21.02
Weighted Average Grant Date Fair Value, Vested		$ 18.74
Weighted Average Grant Date Fair Value, Forfeited or not earned		$ 20.52
Weighted Average Grant Date Fair Value, Ending Balance of outstanding restricted stock		$ 20.63
Performance-Based [Member] | Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Granted, Shares		422,000	[1]

[1] Of these performance-based RSUs, 90,859 will be eligible to vest to the extent earned in three substantially equal installments on the later of November 15, 2013 and the date the Compensation Committee determines the extent to which the performance criteria have been achieved, November 15, 2014 and November 15, 2015. The remaining 317,197 will be eligible to vest in three substantially equal installments on (i) the later of November 15, 2013 and the date the Compensation Committee determines the extent to which performance criteria have been achieved, (ii) the later of November 15, 2014 and the date the Compensation Committee determines the extent to which the applicable performance criteria have been achieved, and (iii) the later of November 15, 2015 and the date the Compensation Committee determines the extent to which the applicable performance criteria have been achieved; RSUs not earned for a period may be earned in subsequent periods. The remaining 14,046 will vest on the later of November 15, 2013 and the date the Compensation Committee determines the extent to which the performance criteria have been achieved.