Derivatives (Tables)

9 Months Ended

Sep. 30, 2017

Derivative Instruments and Hedges, Assets [Abstract]

Schedule of Cash Flow Hedges

The location in the consolidated statements of operations and consolidated statements of comprehensive income and amounts of gains and losses related to derivative instruments designated as cash flow hedges are as follows:

	Nine Months Ended September 30, 2016
(In thousands)	Pretax Gain Recognized in Other Comprehensive Income (Loss) on Effective Portion of Derivative		Pretax Loss Recognized in Earnings on Effective Portion of Derivative as a Result of Reclassification from Accumulated Other Comprehensive Loss
Cost of revenues	$	32	$	(27	)
Research and development	14		(6		)
Selling, general and administrative	7		(3		)
Total	$	53	$	(36	)