Balance Sheet Related Disclosures [Abstract] Advance payments Contract with Customer, Liability, Advance Payments Contract with Customer, Liability, Advance Payments Unearned revenue Contract with Customer, Liability, Unearned Revenue Contract with Customer, Liability, Unearned Revenue Total advance payments and unearned revenue Contract with Customer, Liability, Current Warranty Liability Roll Forward Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Balance as of the beginning of the period Standard and Extended Product Warranty Accrual Warranty provision recorded during the period Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Consumption during the period Standard and Extended Product Warranty Accrual, Decrease for Payments Balance as of the end of the period Equity [Abstract] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Share Repurchase Program Share Repurchase Program [Member] Share Repurchase Program [Member] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Number of shares repurchased Stock Repurchased and Retired During Period, Shares Aggregate purchase price, including commissions Stock Repurchased and Retired During Period, Value Revenue from Contract with Customer [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Percentage Revenue, Remaining Performance Obligation, Percentage Fair Value Disclosures [Abstract] Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current Assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash Restricted Cash and Cash Equivalents, Current Accounts receivable, net Accounts Receivable, Net, Current Unbilled receivables Unbilled Receivables, Current Inventories Inventory, Net Customer service inventories Inventory, Parts and Components, Net of Reserves Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Deferred income taxes Deferred Income Tax Assets, Net Other assets Other Assets, Noncurrent TOTAL ASSETS Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Current Liabilities: Liabilities, Current [Abstract] Short-term debt Short-term Debt Accounts payable Accounts Payable, Current Accrued expenses Accrued Liabilities, Current Advance payments and unearned revenue Restructuring liabilities Restructuring Reserve, Current Total current liabilities Liabilities, Current Unearned revenue Contract with Customer, Liability, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Reserve for uncertain tax positions Liability for Uncertainty in Income Taxes, Noncurrent Deferred income taxes Deferred Income Tax Liabilities, Net Total liabilities Liabilities Commitments and contingencies (Note 11) Commitments and Contingencies Equity: Statement of Stockholders' Equity [Abstract] Preferred stock, $0.01 par value, 50,000,000 shares authorized, none issued Preferred Stock, Value, Issued Common stock, $0.01 par value, 300,000,000 shares authorized, 5,399,357 shares issued and outstanding at December 28, 2018; 5,351,155 shares issued and outstanding at June 29, 2018, respectively Common Stock, Value, Issued Additional paid-in-capital Additional Paid in Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest TOTAL LIABILITIES AND EQUITY Liabilities and Equity Contract with Customer, Asset and Liability Contract with Customer, Asset and Liability [Table Text Block] Schedule of New Accounting Pronouncements and Changes in Accounting Principles Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Debt Disclosure [Abstract] Line of Credit Facility [Table] Line of Credit Facility [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Silicon Valley Bank Silicon Valley Bank [Member] Silicon Valley 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Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Total potential shares of common stock excluded (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of revenues Cost of Sales [Member] Research and development Research and Development Expense [Member] Selling and administrative Selling, General and Administrative Expenses [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Options Restricted and performance stock awards and units Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based compensation expense Allocated Share-based Compensation Expense Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Product sales Product [Member] Services Service [Member] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Calculated under Revenue Guidance in Effect before Topic 606 Calculated under Revenue Guidance in Effect before Topic 606 [Member] Adjustments due to ASC 606 Difference between Revenue Guidance in Effect before and after Topic 606 [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2014-09 Accounting Standards Update 2014-09 [Member] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Income Statement Related Disclosures [Abstract] Income Statement Related Disclosures [Abstract] Total revenues Revenue from Contract with Customer, Including Assessed Tax Total cost of revenues Cost of Goods and Services Sold Selling and administrative expenses Selling, General and Administrative Expense Net income Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Balance Sheet Related Disclosures [Abstract] Liabilities [Abstract] Liabilities [Abstract] Advance payments and unearned revenue Equity 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[Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] MTN Mobile Telephone Networks [Member] Mobile Telephone Networks [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Number of reportable segments Number of Reportable Segments Concentration risk percentage Concentration Risk, Percentage Restructuring and Related Activities [Abstract] Restructuring Activities Restructuring and Related Activities Disclosure [Text Block] Net Income Per Share of Common Stock Earnings Per Share [Text Block] Excess and obsolete inventory (recovery) charges Excess and Obsolete Inventory (Recovery) Charges Excess and Obsolete Inventory (Recovery) Charges Customer service inventory write-downs Customer Service Inventory Write Down Customer Service Inventory Write Down Total inventory (recovery) charges Inventory Write-down Restricted cash Restricted cash included in Other assets Restricted Cash and Cash Equivalents, Noncurrent Total cash, cash equivalents, and restricted cash in the Statement of Cash Flows Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Segment and Geographic Information Segment Reporting Disclosure [Text Block] Net income attributable to Aviat Networks Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Weighted average shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Effect of potentially dilutive equivalent shares (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Weighted average shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Earnings Per Share, Basic and Diluted [Abstract] Earnings Per Share, Basic and Diluted [Abstract] Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Income Tax Contingency [Table] Income Tax Contingency [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Foreign Tax Authority Foreign Tax Authority [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Income tax expense (benefit) Income Tax Expense (Benefit) Release of Valuation Allowance, Foreign Tax Credit, Income Tax Expense (Benefit) Release of Valuation Allowance, Foreign Tax Credit, Income Tax Expense (Benefit) Release of Valuation Allowance, Foreign Tax Credit, Income Tax Expense (Benefit) Current income tax expense Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Schedule of Cash, Cash Equivalents and Restricted Cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block] Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text 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Other Inventory, Capitalized Costs, Gross Consigned inventories included within raw materials and supplies Other Inventory, Materials, Supplies and Merchandise under Consignment, Gross Schedule of Stock Repurchased Class of Treasury Stock [Table Text Block] Schedule of Compensation Expense for Share-based Compensation Awards Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Schedule of Restructuring-Related Activities Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Accounts receivable Accounts Receivable, Gross, Current Less: Allowances for collection losses Allowance for Doubtful Accounts Receivable, Current Total accounts receivable, net Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Severance and Benefits Employee Severance [Member] Facilities and Other Facility Closing [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Fiscal 2018-2019 Plan Fiscal Thousand Eighteen to Nineteen Plan [Member] Fiscal Thousand Eighteen to Nineteen Plan [Member] Fiscal 2016-2017 Plan Fiscal Thousand Sixteen to Seventeen Plan [Member] Fiscal Thousand Sixteen to Seventeen Plan [Member] Fiscal 2015-2016 Plan Fiscal Two Thousand Fifteen - Sixteen Plan [Member] Fiscal Two Thousand Fifteen - Sixteen Plan [Member] Fiscal 2013-2014 Plan Fiscal Two Thousand Thirteen-Fourteen Plan [Member] Fiscal Two Thousand Thirteen-Fourteen Plan [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Accrual balance, beginning of period Restructuring Reserve Charges, net Restructuring Charges Cash payments Payments for Restructuring Foreign exchange impact Restructuring Reserve, Foreign Currency Translation Gain (Loss) Accrued balance, end of period Accrual balance in short-term restructuring liabilities Accrual balance in other long-term liabilities Restructuring Reserve, Noncurrent Revenue by Region Revenue from External Customers by Geographic Areas [Table Text Block] Commitments and Contingencies Disclosure [Abstract] 2019 (two quarters remaining) Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Preferred stock par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock shares issued (in shares) Preferred Stock, Shares Issued Preferred stock shares outstanding (in shares) Preferred Stock, Shares Outstanding Common stock par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock shares authorized (in shares) Common Stock, Shares Authorized Common stock shares issued (in shares) Common Stock, Shares, Issued Common stock shares outstanding (in shares) Common Stock, Shares, Outstanding Document And Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Emerging Growth Company Entity Emerging Growth Company Entity Small Business Entity Small Business Property Subject to or Available for Operating Lease, by Major Property Class [Table] Property Subject to or Available for Operating Lease, by Major Property Class [Table] Name of Property [Axis] Name of Property [Axis] Name of Property [Domain] Name of Property [Domain] Office building at Milpitas, California Office building at Milpitas, California [Member] Office building at Milpitas, California [Member] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-term Purchase Commitment, Category of Item Purchased [Domain] Inventories Inventories [Member] Licensing Agreements Licensing Agreements [Member] Austria MTS AUSTRIA [Member] Property Subject to or Available for Operating Lease [Line Items] Property Subject to or Available for Operating Lease [Line Items] Office space (in sq ft) Area of Real 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payable or receivable Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash (used in) provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Payments for acquisition of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from borrowings Proceeds from Issuance of Debt Repayments of borrowings Repayments of Debt Payments for repurchase of Company stock Repayments of Long-term Capital Lease Obligations Payments related to tax withholding for share-based compensation Payments Related to Tax Withholding for Share-based Compensation Proceeds from issuance of common stock under employee stock plans Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash, cash equivalents, and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net (decrease) increase in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Organization, Consolidation and Presentation of Financial Statements [Abstract] The Company and Basis of Presentation Business Description and Basis of Presentation [Text Block] Revenue Recognition Revenue from Contract with Customer [Text Block] Income Statement [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Revenues: Revenues [Abstract] Cost of revenues: Cost of Goods and Services Sold [Abstract] Gross margin Gross Profit Operating expenses: Operating Expenses [Abstract] Research and development expenses Research and Development Expense Restructuring charges Total operating expenses Operating Expenses Operating income Operating Income (Loss) Interest income Investment Income, Interest Interest expense Interest Expense Other (expense) income, net Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Provision for (benefit from) income taxes Net income Less: Net income attributable to noncontrolling interest, net of tax Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest Net income attributable to Aviat Networks Net income per share of common stock outstanding: Basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Weighted-average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Billing Status, Type [Axis] Billing Status, Type [Axis] Receivables Billing Status [Domain] Receivables Billing Status [Domain] Unbilled Revenues [Member] Unbilled Revenues [Member] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Transferred at Point in Time Transferred at Point in Time [Member] Transferred over Time Transferred over Time [Member] Transfer of Control Transfer of Control [Member] Transfer of Control [Member] Revenue, performance obligation, description of timing Revenue, Performance Obligation, Description of Timing Decrease to accumulated deficit Advance Payments and Unearned Revenue and Long-term Unearned Revenue Contract with Customer, Liability Revenue recognized, previously deferred Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2018 Incentive Plan 2018 Incentive Plan [Member] 2018 Incentive Plan [Member] Restricted stock units Restricted Stock Units (RSUs) [Member] Performance Restricted Stock Units Performance Restricted Stock Units [Member] Performance Restricted Stock Units [Member] Stock awards and units Authorized repurchase amount Stock Repurchase Program, Authorized Amount Remaining value available under stock repurchase program Stock Repurchase Program, Remaining Authorized Repurchase Amount Number of stock incentive plans Share-based Compensation Arrangement by Share-based Payment Award, Number of Stock Incentive Plans Share-based Compensation Arrangement by Share-based Payment Award, Number of Stock Incentive Plans Additional shares available to grant to employees (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Common stock issued under stock incentive plan (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Nonvested awards, unrecognized compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Nonvested awards, expense expected to be recognized, weighted average period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Statement of Comprehensive Income [Abstract] Other comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Net change in cumulative translation adjustments Other Comprehensive 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Accounting Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Net Income Per Share of Common Stock Earnings Per Share, Policy [Policy Text Block] Revenue Recognition Revenue from External Customers by Products and Services [Table Text Block] Fair Value Policy Fair Value of Financial Instruments, Policy [Policy Text Block] Equity Stockholders' Equity Note Disclosure [Text Block] Commitments and Contingencies Commitments Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Line Items] Subsequent Event [Line Items] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Rent expense Operating Leases, Rent Expense Fair Value Measurements of Assets and Liabilities Fair Value Disclosures [Text Block]