Stock-Based Compensation (Tables)

9 Months Ended

Sep. 27, 2014

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Stock-Based Compensation Expense

	Three Months Ended				Nine Months Ended
	September 27,		September 28,		September 27,		September 28,
(in thousands)	2014		2013		2014		2013
Cost of revenues	$	226	$	190	$	681	$	643
Research and development		1,990		2,541		6,540		8,241
Selling, general and administrative		3,012		3,143		9,113		10,577
Total	$	5,228	$	5,874	$	16,334	$	19,461

Schedule Of Activity Under Option Plans

	Number of options	Weighted average exercise price per share		Weighted average remaining contractual term (years)		Aggregate intrinsic value
Outstanding, December 28, 2013	23,555,472	$	8.01		$	6,834,586
Granted and Assumed	644,237	$	6.87
Exercised	(1,270,510)	$	5.56
Forfeited	(195,410)	$	7.33
Expired	(2,470,231)	$	14.18
Outstanding, September 27, 2014	20,263,558	$	7.48	4.51	$	14,462,690
Vested and expected to vest, September 27, 2014	20,002,407	$	7.50	4.45	$	14,189,984
Exercisable, September 27, 2014	17,902,164	$	7.61	4.00	$	12,019,020

Schedule Of Fair Value Assumptions

	Three Months Ended		Nine Months Ended
	September 27,	September 28,	September 27,	September 28,
	2014	2013	2014	2013
Expected life (years)	5.75	5.63	5.75	5.86
Expected volatility	33%	40%	33%	40%
Risk-free interest rate	1.8%	1.6%	1.8%	1.6%

Schedule Of Summary Of RSU Activity

	Restricted Stock Units	Weighted Average Remaining Contractual Term (years)			Aggregate intrinsic value
Unvested units at December 28, 2013	6,179,037			$	39,545,837
Awarded	3,339,559
Released	(1,843,835)
Forfeited	(665,806)
Unvested units at September 27, 2014	7,008,955		1.88	$	52,952,684
Expected to vest, September 27, 2014	5,994,812		1.78	$	45,290,807

Employee Stock Purchase Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Fair Value Assumptions

	Three Months Ended		Nine Months Ended
	September 27,	September 28,	September 27,	September 28,
	2014	2013	2014	2013
Expected life (years)	0.5	0.5	0.5	0.5
Expected volatility	38%	34%	35%	35%
Risk-free interest rate	0.1%	0.1%	0.1%	0.1%