XML 82 R68.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Acquired Developed Technology and Other Intangibles - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 03, 2015 | Jul. 01, 2017 | Jul. 02, 2016 | Jun. 27, 2015
Acquired developed technology, customer relationships and other intangibles |  |  |  |
Amortization expense |  | $ 28.3 | $ 31.9 | $ 51.4
Acquired developed technology |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |
Useful life of intangible assets | 36 months |  |  | 52 months
Network Instruments, LLC (Network Instruments) | Acquired developed technology |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |
Intangible assets transferred from indefinite to finite-lived intangible assets |  |  |  | $ 1.7
Trendium Inc. (Trendium) | Acquired developed technology |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |
Intangible assets transferred from indefinite to finite-lived intangible assets | $ 1.8 |  |  |
Trendium Inc. (Trendium) | In-process research and development |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |
Impairment charge |  |  |  | $ 3.6

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 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 Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
Name: | us-gaap_ImpairmentOfIntangibleAssetsFinitelived
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate amount of intangible amortization of assets recognized as expense during the period. + References No definition available. + Details
Name: | viav_FiniteLivedIntangibleAssetsAmortizedExpense
Namespace Prefix: | viav_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=viav_NetworkInstrumentsLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=viav_TrendiumIncMember
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: |