XML 66 R46.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | Oct. 31, 2015 | Oct. 31, 2014
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Assets |  | $ 1,030,594 | $ 893,002
Accumulated Amortization |  | 666,935 | 527,972
Net Assets |  | 363,659 | 365,030
Core-developed technology |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Assets |  | 584,293 | 490,242
Accumulated Amortization |  | 375,395 | 298,705
Net Assets |  | 208,898 | 191,537
Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Assets |  | 231,908 | 210,172
Accumulated Amortization |  | 115,170 | 92,146
Net Assets |  | 116,738 | 118,026
Contract rights intangible |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Assets |  | 165,623 | 146,364
Accumulated Amortization |  | 141,763 | 109,067
Net Assets |  | 23,860 | 37,297
Covenants not to compete |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Assets |  | 2,530 | 2,530
Accumulated Amortization |  | 2,530 | 2,530
Net Assets |  | 0 | 0
Trademarks and trade names |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Assets |  | 20,729 | 18,779
Accumulated Amortization |  | 10,665 | 7,765
Net Assets |  | 10,064 | 11,014
In-process research and development (IPR&D) |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Assets | [1] |  | 3,086
Accumulated Amortization | [1] |  | 0
Net Assets | [1] |  | 3,086
Capitalized software development costs |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Assets |  | 25,511 | 21,829
Accumulated Amortization |  | 21,412 | 17,759
Net Assets |  | $ 4,099 | $ 4,070
[1] | IPR&D is reclassified to core/developed technology upon completion or is written off upon abandonment.

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=snps_DevelopedAndCoreTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ContractualRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=snps_CovenantsNotToCompeteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksAndTradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_InProcessResearchAndDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=snps_CapitalizedSoftwareDevelopmentCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |