SHAREHOLDERS' EQUITY (Tables)

9 Months Ended

Sep. 27, 2013

Summary Of Stock-Based Compensation Expense, Net Of Tax

The following table summarizes stock-based compensation expense related to employee stock-based compensation (for all plans) included in the unaudited Condensed Consolidated Statements of Income for the third quarter and first three quarters of fiscal 2013 and 2012.

	Third Quarter of				First Three Quarters of
	2013		2012		2013		2012
(Dollars in thousands)
Cost of sales	$	609	$	502	$	1,816	$	1,480
Research and development	1,265		1,163		3,644		3,869
Sales and marketing	1,816		1,616		5,341		5,244
General and administrative	5,215		4,403		15,357		13,035
Total operating expenses	8,296		7,182		24,342		22,148
Total stock-based compensation expense	$	8,905	$	7,684	$	26,158	$	23,628

Schedule Of Weighted Average Assumptions Used In Stock Options Granted

For options granted during the third quarter and first three quarters of fiscal 2013 and 2012, the following weighted average assumptions were used:

	Third Quarter of		First Three Quarters of
	2013	2012	2013	2012
Expected dividend yield	—	—	—	—
Expected stock price volatility	34.7%	41.1%	34.8%	41.2%
Risk free interest rate	0.5%	0.6%	0.5%	0.7%
Expected life of options	3.8 years	4.1 years	4.0 years	4.2 years