Equity-Based Compensation (Schedule Of Stock Option Activity) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2012 Y
Equity-Based Compensation [Abstract]
Options, Outstanding - beginning of year	20,719,482
Options, Granted	1,801,219
Options, Exercised	(49,195)
Options, Forfeited/expired	(513,060)
Options, Outstanding - end of period	21,958,446
Options, Exercisable - end of period	17,483,104
Options vested or expected to vest	21,559,758
Weighted Average Exercise Price, Outstanding - beginning of year	$ 7.68
Weighted Average Exercise Price, Granted	$ 3.99
Weighted Average Exercise Price, Exercised	$ 0.40
Weighted Average Exercise Price, Forfeited/expired	$ 7.85
Weighted Average Exercise Price, Outstanding - end of period	$ 7.39
Weighted Average Exercise Price, Exercisable - end of period	$ 7.93
Weighted Average Exercise Price, Options vested or expected to vest	$ 7.44
Weighted Average Remaining Contractual Term (in years), Outstanding - end of period	4.2
Weighted Average Remaining Contractual Term (in years), Exercisable - end of period	3.0
Weighted Average Remaining Contractual Term (in years), Options vested or expected to vest	4.1
Aggregate Intrinsic Value, Outstanding - end of period	$ 0.6
Aggregate Intrinsic Value, Exercisable - end of period	0.5
Aggregate Intrinsic Value, Options vested or expected to vest	$ 0.6