XML 68 R54.htm IDEA: XBRL DOCUMENT
v3.19.1

Intangibles, net and Goodwill (Schedule of Gross Carrying Amount and Amortization of Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 30, 2019 | Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | $ 265,222 | $ 264,949
Accumulated Amortization | (197,375) | (153,402)
Core technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 1,390 | 1,390
Accumulated Amortization | (1,390) | (1,390)
License agreement |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 440 | 440
Accumulated Amortization | $ (440) | $ (440)
Existing technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Period | 6 years 3 months 18 days | 6 years 3 months 18 days
Gross Amount | $ 117,976 | $ 117,976
Accumulated Amortization | $ (94,136) | $ (75,048)
In-process research & development (“IPR&D”) |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Period | 7 years 3 months 18 days | 7 years 3 months 18 days
Gross Amount | $ 97,972 | $ 97,972
Accumulated Amortization | $ (69,794) | $ (49,556)
Trademarks and tradename |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Period | 10 years | 10 years
Gross Amount | $ 3,037 | $ 3,037
Accumulated Amortization | $ (2,461) | $ (2,333)
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Period | 10 years | 10 years
Gross Amount | $ 15,381 | $ 15,381
Accumulated Amortization | (7,270) | (5,732)
Backlog |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 220 | 220
Accumulated Amortization | (220) | (220)
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 470 | 470
Accumulated Amortization | $ (470) | $ (470)
Technology licenses |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Period | 3 years | 3 years
Gross Amount | $ 28,336 | $ 28,063
Accumulated Amortization | $ (21,194) | $ (18,213)

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&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
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=crus_CoreTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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