Stock-Based Compensation (Summary Of Stock Options) (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 25, 2011
Stock-Based Compensation [Abstract]
Shares, Outstanding at beginning of period	9,413
Shares, Granted	0
Shares, Exercised	(2,569)
Shares, Forfeited	(36)
Shares, Expired	(339)
Shares, Outstanding at end of period	6,469
Shares, Exercisable at end of period	6,246
Weighted Average Exercise Price, Outstanding at beginning of period	$ 17.76
Weighted Average Exercise Price, Exercised	$ 13.78
Weighted Average Exercise Price, Forfeited	$ 11.49
Weighted Average Exercise Price, Expired	$ 18.10
Weighted Average Exercise Price, Outstanding at end of period	$ 19.36
Weighted Average Exercise Price, Exercisable at end of period	$ 19.65
Weighted Average Remaining Contractual Life, Outstanding at end of period	1.1
Weighted Average Remaining Contractual Life, Exercisable at end of period	1.0
Aggregate Intrinsic Value, Outstanding at end of period	$ 0.6
Aggregate Intrinsic Value, Exercisable at end of period	$ 0.4