Stock-Based Compensation (Tables)

6 Months Ended

Jul. 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				Six Months Ended
(In thousands)	July 2, 2016		July 4, 2015		July 2, 2016		July 4, 2015
Cost of products sold	$	166	$	398	$	425	$	638
Research and development	1,468		2,346		3,927		3,855
Selling, general and administrative	1,608		2,235		3,446		3,870
Acquisition related charges	—		—		—		3,891
Total stock-based compensation	$	3,242	$	4,979	$	7,798	$	12,254