Equity-Based Compensation (Schedule Of Performance Stock Unit Activity) (Details) (Performance Stock Shares [Member], USD $)	3 Months Ended
	Mar. 30, 2012
Performance Stock Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Non-vested - beginning of year	2,269,410
Shares, Granted	1,887,064
Shares, Vested	(734,185)
Shares, Forfeited	(1,134,913)
Shares, Non-vested - end of period	2,287,376
Weighted Average Grant Date Fair Value, Non-vested - beginning of year	$ 5.51
Weighted Average Grant Date Fair Value, Granted	$ 3.99
Weighted Average Grant Date Fair Value, Vested	$ 5.15
Weighted Average Grant Date Fair Value, Forfeited	$ 5.37
Weighted Average Grant Date Fair Value, Non-vested - end of period	$ 4.44