Revenue Recognition (Tables)

3 Months Ended

Mar. 29, 2020

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
	March 29, 2020		March 31, 2019
Americas	$	60,247	$	64,770
Europe	48,582		59,539
Greater China	26,403		22,816
Other Asia	32,003		26,359
	$	167,235	$	173,484

Revenue from External Customers by Products and Services

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

	Three-months Ended
	March 29, 2020		March 31, 2020
Standard products and services	$	152,854	$	161,052
Application-specific customer solutions	14,381		12,432
	$	167,235	$	173,484

Schedule of Allowance for Credit Loss Activity

The following table summarizes the allowance for credit losses activity for the three-month period ended March 29, 2020 (in thousands):

Balance as of December 31, 2019	$	530
Increases to the allowance for credit losses	300
Write-offs	(64		)
Foreign exchange rate changes	5
Balance as of March 29, 2020	$	771

Deferred Revenue, by Arrangement, Disclosure

The following table summarizes the deferred revenue and customer deposits activity for the three-month period ended March 29, 2020 (in thousands):

Balance as of December 31, 2019	$	14,432
Increases to deferred revenue and customer deposits	24,625
Recognition of revenue	(12,670		)
Foreign exchange rate changes	(135		)
Balance as of March 29, 2020	$	26,252