Revenue (Tables)

3 Months Ended

Mar. 30, 2019

Revenue from Contract with Customer [Abstract]

Revenue from external customers by product group

The following table shows the percentage of product and related maintenance revenue contributed by each of Cadence’s five product groups and services for the three months ended March 30, 2019 and March 31, 2018:

	Three Months Ended
	March 30, 2019		March 31, 2018
Functional Verification, including Emulation and Prototyping Hardware1	24	%	26	%
Digital IC Design and Signoff	30	%	30	%
Custom IC Design and Simulation	25	%	26	%
System Interconnect and Analysis	9	%	9	%
IP	12	%	9	%
Total	100	%	100	%

Contract Balances

Cadence’s contract balances as of March 30, 2019 and December 29, 2018 were as follows:

	As of
	March 30, 2019		December 29, 2018
	(In thousands)
Contract assets	$	12,211	$	10,055
Deferred revenue	397,063		401,174