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Balance Sheet Components (Customer Letters of Credit) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Apr. 01, 2016 | Apr. 03, 2015 | Apr. 01, 2016 | Apr. 03, 2015
Balance Sheet Related Disclosures [Abstract] |  |  |  |
Customer letters of credit being discounted | $ 0.3 | $ 2.6 | $ 18.8 | $ 10.4
Interest expense | $ 0.0 | $ 0.0 | $ 0.1 | $ 0.1

X
- Definition Accounts Receivable Customer Letters of Credit + References No definition available. + Details
Name: | avnw_AccountsReceivableCustomerLettersOfCredit
Namespace Prefix: | avnw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Interest Expense Related to Discounted Letters of Credit + References No definition available. + Details
Name: | avnw_InterestExpenseRelatedtoDiscountedLettersofCredit
Namespace Prefix: | avnw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration