Revenue Recognition (Tables)

9 Months Ended

Sep. 29, 2019

Revenue from Contract with Customer [Abstract]

Revenue from External Customers by Geographic Areas

The following table summarizes disaggregated revenue information by geographic area based upon the customer's country of domicile (in thousands):

	Three-months Ended				Nine-months Ended
	September 29, 2019		September 30, 2018		September 29, 2019		September 30, 2018
Americas	$	65,253	$	57,020	$	208,909	$	187,991
Europe	64,209		118,810		182,747		245,437
Greater China	27,854		31,068		86,446		99,402
Other Asia	26,009		25,323		77,754		80,222
	$	183,325	$	232,221	$	555,856	$	613,052

Revenue from External Customers by Products and Services

The following table summarizes disaggregated revenue information by revenue type (in thousands):

	Three-months Ended				Nine-months Ended
	September 29, 2019		September 30, 2018		September 29, 2019		September 30, 2018
Standard products and services	$	139,887	$	150,993	$	473,610	$	493,019
Application-specific customer solutions	43,438		81,228		82,246		120,033
	$	183,325	$	232,221	$	555,856	$	613,052

Deferred Revenue, by Arrangement, Disclosure

The following table summarizes the deferred revenue and customer deposits activity for the nine-month period ended September 29, 2019 (in thousands):

Balance as of December 31, 2018	$	9,845
Increases to deferred revenue and customer deposits	37,351
Recognition of revenue	(36,517		)
Foreign exchange rate changes	(248		)
Balance as of September 29, 2019	$	10,431