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v3.20.2

Revenue (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 27, 2020 | Jun. 29, 2019 | Jun. 27, 2020 | Jun. 29, 2019
Revenue from External Customer [Line Items] |  |  |  |  |
Percentage of product and maintenance revenue by product group |  | 100.00% | 100.00% | 100.00% | 100.00%
Custom IC Design and Simulation |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Percentage of product and maintenance revenue by product group |  | 24.00% | 26.00% | 25.00% | 26.00%
Digital IC Design and Signoff |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Percentage of product and maintenance revenue by product group |  | 28.00% | 30.00% | 28.00% | 30.00%
Functional Verification, including Emulation and Prototyping Hardware* |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Percentage of product and maintenance revenue by product group | [1] | 24.00% | 20.00% | 23.00% | 22.00%
IP |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Percentage of product and maintenance revenue by product group |  | 14.00% | 15.00% | 14.00% | 13.00%
System Interconnect and Analysis |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Percentage of product and maintenance revenue by product group |  | 10.00% | 9.00% | 10.00% | 9.00%
[1] | Includes immaterial amount of revenue accounted for under leasing arrangements.

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