XML 57 R44.htm IDEA: XBRL DOCUMENT
v3.19.2

Revenue (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 29, 2019 | Jun. 30, 2018 | Jun. 29, 2019 | Jun. 30, 2018
Revenue from External Customer [Line Items] |  |  |  |  |  |
Percentage of product and maintenance revenue by product group | 100.00% |  | 100.00% | 100.00% |  | 100.00%
Functional Verification, including Emulation and Prototyping Hardware [Member] |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |
Percentage of product and maintenance revenue by product group | 22.00% | [1] | 23.00% | 23.00% | [1] | 25.00%
Digital IC Design and Signoff [Member] |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |
Percentage of product and maintenance revenue by product group | 31.00% |  | 30.00% | 31.00% |  | 29.00%
Custom IC Design and Simulation [Member] |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |
Percentage of product and maintenance revenue by product group | 26.00% |  | 26.00% | 26.00% |  | 26.00%
System Interconnect and Analysis [Member] |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |
Percentage of product and maintenance revenue by product group | 10.00% |  | 9.00% | 9.00% |  | 9.00%
IP [Member] |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |
Percentage of product and maintenance revenue by product group | 11.00% |  | 12.00% | 11.00% |  | 11.00%
[1] | Includes immaterial amount of revenue accounted for under Topic 842.

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

X
- 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
Name: | us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=cdns_FunctionalVerificationincludingEmulationandPrototypingHardwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cdns_DigitalICDesignandSignoffMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cdns_CustomICDesignMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cdns_SystemInterconnectandAnalysisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cdns_IPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |