Equity-Based Compensation (Schedule Of Restricted Stock Unit Activity) (Details) (Restricted Stock [Member], USD $)	3 Months Ended
	Mar. 30, 2012	Apr. 01, 2011
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Non-vested - beginning of year	4,854,587
Shares, Granted	1,959,811
Shares, Vested	(803,100)
Shares, Forfeited	(392,670)
Shares, Non-vested - end of period	5,618,628
Weighted Average Grant Date Fair Value, Non-vested - beginning of year	$ 6.29
Weighted Average Grant Date Fair Value, Granted	$ 3.99	$ 5.43
Weighted Average Grant Date Fair Value, Vested	$ 5.38
Weighted Average Grant Date Fair Value, Forfeited	$ 5.96
Weighted Average Grant Date Fair Value, Non-vested - end of period	$ 5.64