Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

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				Nine Months Ended
(In thousands)	September 30, 2017		October 1, 2016		September 30, 2017		October 1, 2016
Research and development	$	128	$	186	$	442	$	559
Amortization of acquired intangible assets	8,526		8,260		25,777		25,292
	$	8,654	$	8,446	$	26,219	$	25,851