Stock-Based Compensation (Tables)

3 Months Ended

Apr. 02, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock-Based Compensation Expense

Total stock-based compensation expense included in our Consolidated Statements of Operations was as follows: 

	Three Months Ended
(In thousands)	April 2, 2016		April 4, 2015
Line item:
Cost of products sold	$	259	$	240
Research and development	2,459		1,509
Selling, general and administrative	1,838		1,635
Acquisition related charges	—		3,891
Total stock-based compensation	$	4,556	$	7,275