Fair Value Disclosures [Abstract] Fair Value Measurements Of Assets And Liabilities Fair Value Disclosures [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 Receivables, net Accounts, Notes, Loans and Financing Receivable, Net, Current Unbilled costs Costs in Excess of Billings, Current Inventories Inventory, Net Customer service inventories Inventory, Parts and Components, Net of Reserves Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current Other current assets Other Assets, Current Total current assets Assets, Current Long-Term Assets Assets, Noncurrent [Abstract] Property, plant and equipment, net Property, Plant and Equipment, Net Identifiable intangible assets, net Intangible Assets, Net (Excluding Goodwill) Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other assets Other Assets, Noncurrent Total long-term assets Assets, Noncurrent Total Assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current Liabilities Liabilities, Current [Abstract] Short-term debt Long-term Debt, Current Maturities Accounts payable Accounts Payable, Current Accrued compensation and benefits Employee-related Liabilities, Current Other accrued expenses Other Accrued Liabilities, Current Advance payments and unearned income Deferred Revenue and Credits, Current Reserve for uncertain tax positions Liability for Uncertain Tax Positions, Current Deferred income taxes Deferred Tax Liabilities, Net, Current Restructuring liabilities Restructuring Reserve, Current Total current liabilities Liabilities, Current Long-Term Liabilities Liabilities, Noncurrent [Abstract] Unearned income Deferred Revenue and Credits, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Reserve for uncertain tax positions Liability for Uncertain Tax Positions, Noncurrent Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Total Liabilities Liabilities Commitments and Contingencies (Note 12) Commitments and Contingencies Stockholders’ Equity Statement of Stockholders' Equity [Abstract] Preferred stock Preferred Stock, Value, Issued Common stock 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 Stockholders’ Equity Stockholders' Equity Attributable to Parent Total Liabilities and Stockholders’ Equity Liabilities and Equity Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Debt Disclosure [Abstract] Line of Credit Facility [Table] Line of Credit Facility [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Letter of Credit Letter of Credit [Member] Singapore Line of Credit Foreign Line of Credit [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Silicon Valley Bank Silicon Valley Bank [Member] Silicon Valley Bank [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Prime Rate Prime Rate [Member] LIBOR London Interbank Offered Rate (LIBOR) [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Term Loan Term Loan [Member] Term Loan [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Debt outstanding Long-term Debt Term loan amount Debt Instrument, Face Amount Term of loan agreement Debt Instrument, Term of Loan Debt Instrument, Term of Loan Credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Credit facility sublimit available for Singapore Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases Borrowing base Line of Credit Facility, Covenant Compliance, Borrowing Base Amount Line of Credit Facility, Covenant Compliance, Borrowing Base Amount Available credit under credit facility Debt Instrument, Unused Borrowing Capacity, Amount Borrowing base, calculated amount Line Of Credit Facility, Borrowing Base, Calculated Amount Line of Credit Facility, Borrowing Base, Calculated Amount Line of credit facility, amount outstanding Line of Credit Facility, Amount Outstanding Debt instrument, description of variable rate basis Debt Instrument, Description of Variable Rate Basis Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Period of interest payment due Debt Instrument, Period of Interest Payment Due Debt Instrument, Period of Interest Payment Due Short-term debt, weighted average interest rate Short-term Debt, Weighted Average Interest Rate Fixed interest rate Debt Instrument, Interest Rate, Stated Percentage Additional spread on applicable rate in event of default Debt Instrument, Debt Default, Basis Spread on Applicable Interest Rate Debt Instrument, Debt Default, Basis Spread on Applicable Interest Rate Current debt Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Share-based Compensation Arrangements by Share-based Payment Award Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Commitments and Contingencies Disclosure [Abstract] 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] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Capital purchase and service agreements Capital Addition Purchase Commitments [Member] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease [Domain] Corporate Headquarters Property Subject to Operating Lease [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 Estate Property Future minimum commitments Operating Leases, Future Minimum Payments Due Future proceeds from non-cancelable subleases Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals Purchase obligations with suppliers outstanding Long-term Purchase Commitment, Amount Guarantee term Guarantee Term Guarantee Term Commercial commitments, outstanding Unrecorded Unconditional Purchase Obligation 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 Earnings Per Share [Abstract] Net Income (Loss) Per Share of Common Stock Earnings Per Share [Text Block] Statement of Cash Flows [Abstract] Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net loss Net Income (Loss) Attributable to Parent Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Amortization of identifiable intangible assets Amortization Of Identifiable Intangible Assets Amortization of Identifiable Intangible Assets Depreciation and amortization of property, plant and equipment Depreciation Bad debt expenses Provision for Doubtful Accounts Share-based compensation expense Share-based Compensation Charges for inventory and customer service inventory write-downs Inventory Write-down Gain on disposition of the WiMAX business Disposal Group Discontinued Operation Gain Loss on Measurement and Disposal The gain (loss) resulting from the measurement and sale of a disposal group that is a discontinued operation. Other non-cash items Other Noncash Income (Expense) Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Receivables Increase (Decrease) in Accounts Receivable Unbilled costs Increase (Decrease) in Unbilled Receivables Inventories Increase (Decrease) in Inventories Customer service inventories Increase Decrease in Customer Service Inventories Increase decrease in customer service inventories Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses Increase (Decrease) in Accrued Liabilities Advance payments and unearned income Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits Income taxes payable or receivable Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Reserve for uncertain tax positions and deferred taxes Increase (Decrease) in Reserve for Uncertain Tax Positions increase (Decrease) in Reserve for Uncertain Tax Positions Other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash disbursed related to sale of WiMAX business, net Disbursements Related to Sale of Business Disbursements Related to Sale of Business Additions 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] Repayments of debt Repayments of Long-term Debt Payments on capital leases Repayments of Long-term Capital Lease Obligations Proceeds from share-based compensation awards Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net Decrease in Cash and Cash Equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents, Beginning of Period Cash and Cash Equivalents, End of Period Balance Sheet Related Disclosures [Abstract] Finished products Inventory, Finished Goods, Net of Reserves Work in process Inventory, Work in Process, Net of Reserves Raw materials and supplies Inventory, Raw Materials and Supplies, Net of Reserves Inventories Deferred cost of sales included within finished goods Other Inventory, Capitalized Costs, Gross Excess and obsolete inventory and deferred cost of sales charges Excess and Obsolete Charges and Deferred Cost of Sales Excess and Obsolete Charges and Deferred Cost of Sales Customer service inventory write-down Customer Service Inventory Write Down Customer Service Inventory Write Down Charges for product transition and inventory write-downs Inventory Adjustments in Period Inventory Adjustments in Period As % of revenue Excess and Obsolescence Charge as Percentage of Revenue Excess and Obsolescence Charge as Percentage of Revenue Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Title of Individual [Axis] Title of Individual [Axis] Title of Individual with Relationship to Entity [Domain] Relationship to Entity [Domain] Director Director [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2007 Stock Plan 2007 Stock Plan [Member] 2007 Stock Plan [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Options Employee Stock Option [Member] Performance Shares Performance Shares [Member] Restricted Stock Restricted Stock [Member] Vesting Options [Axis] Vesting Options [Axis] Vesting Options [Axis] Vesting Options [Domain] Vesting Options [Domain] Vesting Options [Domain] Stock Options, Vesting Option 1 Stock Options, Vesting Option 1 [Member] Stock Options, Vesting Option 1 [Member] Stock Options, Vesting Option 2 Stock Options, Vesting Option 2 [Member] Stock Options, Vesting Option 2 [Member] Stock Options, Vesting Option 3 Stock Options, Vesting Option 3 [Member] Stock Options, Vesting Option 3 [Member] Restricted Stock, Option 1 Restricted Stock, Option 1 [Member] Restricted Stock, Option 1 [Member] Restricted Stock, Option 2 Restricted Stock, Option 2 [Member] Restricted Stock, Option 2 [Member] Stock Options, Vesting Installment, Period [Axis] Stock Options, Vesting Installment, Period [Axis] Stock Options, Vesting Installment, Period [Axis] Stock Options, Vesting Installment, Period [Domain] Stock Options, Vesting Installment, Period [Domain] Stock Options, Vesting Installment, Period [Domain] One Year From Grant Date One Year From Grant Date [Member] One Year From Grant Date [Member] Each Year After One Year From Grant Date Each Year After One Year From Grant Date [Member] Each Year After One Year From Grant Date [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] 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 Option expiration period Share Based Compensation Arrangement by Share Based Payment, Option Expiration Period Share Based Compensation Arrangement by Share Based Payment, Option Expiration Period Annual vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Annual Vesting Percentage Share-based Compensation Arrangement by Share-based Payment Award, Annual Vesting Percentage Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Vesting Percentage Share-based Compensation Arrangement by Share-based Payment Award, Vesting Percentage Options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Performance shares vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Performance shares canceled Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of shares available for grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 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 Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land Land [Member] Buildings and leasehold improvements Buildings and Leasehold Improvements [Member] Buildings and Leasehold Improvements [Member] Software Software Development [Member] Machinery and equipment Machinery and Equipment [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, gross Property, Plant and Equipment, Gross Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Customer letters of credit being discounted Accounts Receivable Customer Letters of Credit Accounts Receivable Customer Letters of Credit Interest expense Interest Expense Related to Discount of Letters of Credit Interest Expense Related to Discount of Letters of Credit Income Statement [Abstract] Revenues: Revenues [Abstract] Revenue from product sales Sales Revenue, Goods, Net Revenue from services Sales Revenue, Services, Net Total revenues Revenue, Net Cost of revenues: Cost of Goods and Services Sold [Abstract] Cost of product sales Cost of Goods Sold Cost of services Cost of Services Total cost of revenues Cost of Goods and Services Sold Gross margin Gross Profit Operating expenses: Operating Expenses [Abstract] Research and development expenses Research and Development Expense Selling and administrative expenses Selling, General and Administrative Expense Amortization of identifiable intangible assets Amortization of Intangible Assets Restructuring charges Restructuring Charges Total operating expenses Operating Expenses Operating income (loss) Operating Income (Loss) Interest income Investment Income, Interest Interest expense Interest Expense Income (loss) from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for income taxes Income Tax Expense (Benefit) Loss from continuing operations Income (Loss) from Continuing Operations Attributable to Parent Income (loss) from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net loss Basic and diluted income (loss) per common share: Earnings Per Share, Basic and Diluted [Abstract] Continuing operations (usd per share) Income (Loss) from Continuing Operations, Per Basic and Diluted Share Discontinued operations (usd per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share Net loss (usd per share) Earnings Per Share, Basic and Diluted Weighted average shares outstanding, basic and diluted (share) Weighted Average Number of Shares Outstanding, Basic and Diluted Commitments and Contingencies Commitments Disclosure [Text Block] Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of product sales and services Cost of Sales [Member] Research and development Research and Development Expense [Member] Selling and administrative Selling, General and Administrative Expenses [Member] Options Restricted stock awards and units Restricted Stock Awards and Restricted Stock Units [Member] Restricted Stock Awards and Restricted Stock Units [Member] Allocated Share-based Compensation Expense Allocated Share-based Compensation Expense Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Restricted stock awards and units and performance shares and units Restricted Stock, Restricted Stock Units, Performance Shares, and Performance Units [Member] Restricted Stock, Restricted Stock Units, Performance Shares, and Performance Units [Member] Antidilutive Securities Excluded from 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 Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Discontinued Operations and Disposal Groups [Abstract] Divestiture Acquisitions and Divestitures [Text Block] Acquisitions and Divestitures [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Days in Fiscal Period Duration of Fiscal Period Number of Weeks in Fiscal Period Equity [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Foreign Currency Translation Adjustment (CTA) [Roll Forward] Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation, Net of Tax [Roll Forward] Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation, Net of Tax [Roll Forward] Balance as of June 28, 2013 Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Foreign currency translation gain Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Balance as of March 28, 2014 Hedging Derivatives [Roll Forward] Accumulated Other Comprehensive Income (Loss), Hedging Derivatives, Net of Tax [Roll Forward] Accumulated Other Comprehensive Income (Loss), Hedging Derivatives, Net of Tax [Roll Forward] Balance as of June 28, 2013 Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Net unrealized gain (loss) on hedging activities Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Balance as of March 28, 2014 Total Accumulated Other Comprehensive (Loss) Income [Roll Forward] Accumulated Other Comprehensive Income, Net of Tax [Roll Forward] Accumulated Other Comprehensive Income, Net of Tax [Roll Forward] Balance as of June 28, 2013 Balance as of March 28, 2014 Depreciation and Amortization Depreciation, Depletion and Amortization Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Balance as of the beginning of the fiscal year Product Warranty Accrual Warranty provision for revenue recorded during the period Product Warranty Accrual, Warranties Issued Consumption during the period Product Warranty Accrual, Payments Balance as of the end of the period Rent expense Operating Leases, Rent Expense 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] Statutory U.S. Federal tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Prepayment for tax assessment Income Tax Examination, Prepaid Amount Income Tax Examination, Prepaid Amount Discrete tax benefit recognized Income Tax Examination, Income Tax Expense (Benefit) Income Tax Examination, Income Tax Expense (Benefit) Interest accrued for unrecognized tax benefits Unrecognized Tax Benefits, Interest on Income Taxes Expense Segment Reporting [Abstract] Segment and Geographic Information Segment Reporting Disclosure [Text Block] Restructuring Activities Restructuring and Related Activities Disclosure [Text Block] Reconciliation of Revenue from Segments to Consolidated Reconciliation of Revenue from Segments to Consolidated [Table Text Block] 2014 (1 quarter remaining) Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2015 Operating Leases, Future Minimum Payments, Due in Two Years 2016 Operating Leases, Future Minimum Payments, Due in Three Years 2017 Operating Leases, Future Minimum Payments, Due in Four Years 2018 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter (through April 2020) Operating Leases, Future Minimum Payments, Due Thereafter Total Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Fiscal 2014-2015 Plan Fiscal Two Thousand Fourteen-Fifteen Plan [Member] Fiscal Two Thousand Fourteen-Fifteen Plan [Member] Fiscal 2013-2014 Plan Fiscal Two Thousand Thirteen-Fourteen Plan [Member] Fiscal Two Thousand Thirteen-Fourteen Plan [Member] Fiscal 2011 Plan Fiscal Two Thousand Eleven Plan [Member] Fiscal Two Thousand Eleven Plan [Member] 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 Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Severance and benefits Severance Costs Facilities and other Business Exit Costs Restructuring charges Cumulative Costs Incurred Restructuring and Related Cost, Cost Incurred to Date Estimated Additional Costs to be Incurred Restructuring and Related Cost, Expected Cost Total Restructuring Costs Expected to be Incurred Restructuring and Related Cost Total Expected Cost Restructuring and Related Cost Total Expected Cost Accounts receivable Accounts Receivable, Gross, Current Less allowances for collection losses Allowance for Doubtful Accounts Receivable, Current Receivables Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Valuation Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Valuation Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Cost Reported Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Money market funds Money Market Funds [Member] Bank certificates of deposit Bank Time Deposits [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Assets [Abstract] Assets, Fair Value Disclosure [Abstract] Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Other current assets [Abstract] Prepaid Expense and Other Assets, Current [Abstract] Other current assets, Foreign exchange forward contracts Foreign Currency Contract, Asset, Fair Value Disclosure Liabilities [Abstract] Liabilities, Fair Value Disclosure [Abstract] Other accrued expenses, Foreign exchange forward contracts Foreign Currency Contracts, Liability, Fair Value Disclosure Number of financial institutions Number of Financial Institutions Number of Financial Institutions Money market, net asset value (usd per share) Net Asset Value Per Share Fair Value Disclosure Net Asset Value Per Share Fair Value Disclosure The Company and Basis of Presentation Business Description and Basis of Presentation [Text Block] Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Customer Letters of Credits Being Discounted and Related Interest Expense Customer Letters of Credits Being Discounted and Related Interest Expense [Table Text Block] Customer Letters of Credits Being Discounted and Related Interest Expense [Table Text Block] Schedule of Inventory, Current Schedule of Inventory, Current [Table Text Block] Schedule of Adjustments to Inventory Schedule of Adjustments to Inventory [Table Text Block] Schedule of Adjustments to Inventory [Table Text Block] Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Schedule of Depreciation and Amortization Expense Schedule of Depreciation and Amortization Expense [Table Text Block] Schedule of Depreciation and Amortization Expense [Table Text Block] Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Credit Facility And Debt Debt Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Cash flow hedges: Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax [Abstract] Change in unrealized gain (loss) on cash flow hedges Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Reclassification adjustment for realized net gain (loss) on cash flow hedges included in net loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Net change in unrealized gain or loss on cash flow hedges Foreign currency translation gain (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Correction of Immaterial Errors and Reclassifications Reclassification, Policy [Policy Text Block] Use of estimates Use of Estimates, Policy [Policy Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Policy Text Block] Significant Accounting Policies [Policy Text Block] Recently Issued and Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Immaterial Error Tax Adjustment [Member] Tax Adjustment [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Decrease in provision for income taxes Reserve for Uncertain Tax Positions, Adjustment Reserve for Uncertain Tax Positions, Adjustment Severance and Benefits Facilities and Other Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Restructuring liability, beginning of period Restructuring Reserve Provision and adjustments Cash payments Payments for Restructuring Restructuring liability, end of period Current portion of restructuring liabilities as of March 28, 2014 Long-term portion included in other long-term liabilities as of March 28, 2014 Restructuring Reserve, Noncurrent Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] WiMAX WiMAX [Member] WiMAX [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Proceeds from divestiture of businesses Proceeds from Divestiture of Businesses Discontinued operations contingent consideration Discontinued Operations Contingent Consideration Discontinued Operations Contingent Consideration Proceeds from contingent payments Proceeds from Contingent Payments Proceeds from Contingent Payments Potential cash payments to EION for collections of WiMAX receivables Discontinued Operations Potential Cash Payments to Acquiree Discontinued Operations Potential Cash Payments to Acquiree Payment on Divestiture Payables Payment on Divestiture Payables Payment on Divestiture Payables Accounts, notes and loans receivable, write-down Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Write-Down Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Write-Down Accrued Liabilities related to disposition of WiMAX Accrued Liabilities Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Revenues Disposal Group, Including Discontinued Operation, Revenue Income (loss) from operations related to WiMAX Disposal Group, Including Discontinued Operation, Operating Income (Loss) Gain on disposal Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Income taxes Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation Income (loss) from discontinued operations Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Schedule of Future Minimum Rental Payments for Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Rent Expense Schedule of Rent Expense [Table Text Block] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Geographical [Domain] North America North America [Member] Africa and Middle East Africa and Middle East [Member] Africa and Middle East [Member] Europe and Russia Europe and Russia [Member] Europe and Russia [Member] Latin America and Asia Pacific Latin America and Asia Pacific [Member] Latin America and Asia Pacific [Member] Africa Africa [Member] Major Customers [Axis] Customer [Axis] Name of Major Customer [Domain] Customer [Domain] Mobile Telephone Networks Mobile Telephone Networks [Member] Mobile Telephone Networks [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Accounts Receivable Accounts Receivable [Member] Revenue Sales Revenue, Net [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Geographic Concentration Risk Geographic Concentration Risk [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 Revenue Concentration Risk, Percentage Concentration Risk, Percentage Concentration Risk, Number of Customers Concentration Risk, Number of Customers Concentration Risk, Number of Customers Expected dividends Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Weighted average grant date fair value per share granted (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value