Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

Stock-Based Compensation

Schedule of stock-based compensation costs recognized in the Condensed Consolidated Statements of Income

The following table presents details of stock-based compensation costs recognized in the Condensed Consolidated Statements of Income (in thousands):

	Three Months Ended				Six Months Ended
	June 30,  2018		July 1,  2017		June 30,  2018		July 1,  2017
Cost of revenues	$	294	$	264	$	590	$	522
Research and development	5,669		5,503		11,438		10,750
Selling, general and administrative	6,156		5,399		12,283		10,380
	12,119		11,166		24,311		21,652
Income tax benefit	1,677		3,175		6,896		8,457
	$	10,442	$	7,991	$	17,415	$	13,195