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v3.20.1

Revenue (Details) | 3 Months Ended
--- | ---
Mar. 28, 2020 | Mar. 30, 2019
Revenue from External Customer [Line Items] |  |  |
Percentage of product and maintenance revenue by product group |  | 100.00% | 100.00%
Custom IC Design and Simulation [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Percentage of product and maintenance revenue by product group |  | 25.00% | 25.00%
Digital IC Design and Signoff [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Percentage of product and maintenance revenue by product group |  | 29.00% | 30.00%
Functional Verification, including Emulation and Prototyping Hardware [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Percentage of product and maintenance revenue by product group | [1] | 23.00% | 24.00%
IP [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Percentage of product and maintenance revenue by product group |  | 14.00% | 12.00%
System Interconnect and Analysis [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Percentage of product and maintenance revenue by product group |  | 9.00% | 9.00%
[1] | Includes immaterial amount of revenue accounted for under leasing arrangements.

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- Definition Percentage of Product and Maintenance Revenue by Product Group + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |