Revenue (Tables)

6 Months Ended

Jun. 27, 2020

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 categories and services for the three and six months ended June 27, 2020 and June 29, 2019:

	Three Months Ended				Six Months Ended
	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Custom IC Design and Simulation	24	%	26	%	25	%	26	%
Digital IC Design and Signoff	28	%	30	%	28	%	30	%
Functional Verification, including Emulation and Prototyping Hardware*	24	%	20	%	23	%	22	%
IP	14	%	15	%	14	%	13	%
System Interconnect and Analysis	10	%	9	%	10	%	9	%
Total	100	%	100	%	100	%	100	%

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^* Includes immaterial amount of revenue accounted for under leasing arrangements.

Contract balances

Cadence’s contract balances as of June 27, 2020 and December 28, 2019 were as follows:

	As of
	June 27, 2020		December 28, 2019
	(In thousands)
Contract assets	$	10,240	$	10,209
Deferred revenue	582,376		428,883