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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recognition of Revenues (Details) | 12 Months Ended
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Jun. 30, 2014 deliverable
Deferred Revenue Arrangement [Line Items] |
Number of deliverables included in the Company's multi-element arrangements | 2
Post contract customer support |
Deferred Revenue Arrangement [Line Items] |
Deferred revenue recognition period | 2 years

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- Definition Deferred Revenue Recognition, Period + References No definition available. + Details
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Namespace Prefix: | ubnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Revenue Recognition, Multiple-deliverable Arrangements, Number of Deliverables + References No definition available. + Details
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Namespace Prefix: | ubnt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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