Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Finite-lived Intangible Assets Amortization Expense

We recorded amortization expense related to intangible assets on the Consolidated Statements of Operations as presented in the following table:

	Three Months Ended
(In thousands)	March 31, 2018		April 1, 2017
Research and development	$	127	$	173
Amortization of acquired intangible assets	5,636		8,514
	$	5,763	$	8,687