Stock-Based Compensation (Schedule Of Activity Under Option Plans) (Details) (USD $)	9 Months Ended
	Sep. 27, 2014
Stock-Based Compensation [Abstract]
Outstanding beginning balance, Number of options	23,555,472
Granted and Assumed, Number of options	644,237
Exercised, Number of options	(1,270,510)
Forfeited, Number of options	(195,410)
Expired, Number of options	(2,470,231)
Outstanding ending balance, Number of options	20,263,558
Vested & expected to vest, Number of options	20,002,407
Exercisable ending balance, Number of options	17,902,164
Outstanding beginning balance, Weighted average exercise price per share	$ 8.01
Granted and Assumed, Weighted average exercise price per share	$ 6.87
Exercised, Weighted average exercise price per share	$ 5.56
Forfeited, Weighted average exercise price per share	$ 7.33
Expired, Weighted average exercise price per shre	$ 14.18
Outstanding ending balance, Weighted average exercise price per share	$ 7.48
Vested & expected to vest, Weighted average exercise price per share	$ 7.50
Exercisable ending balance, Weighted average exercise price per share	$ 7.61
Outstanding ending balance, Weighted average remaining contractual term (years)	4 years 6 months 4 days
Vested & expected to vest, Weighted average remaining contractual term (years)	4 years 5 months 12 days
Exercisable ending balance, Weighted average remaining contractual term (years)	4 years
Outstanding beginning balance, Aggregate intrinsic value	$ 6,834,586
Outstanding ending balance, Aggregate intrinsic value	14,462,690
Vested & expected to vest, Aggregate intrinsic value	14,189,984
Exercisable ending balance, Aggregate intrinsic value	$ 12,019,020