Statement [Table] Statement, Scenario [Axis] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Cash flows from 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 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 Goodwill impairment charges Goodwill, Impairment Loss Depreciation and amortization of property, plant and equipment and capitalized software Depreciation Bad debt expenses Provision for Doubtful Accounts Share-based compensation expense Share-based Compensation Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) Charges for inventory write-downs Inventory Write-down Loss on disposition of 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. Loss on sale of NetBoss assets Gain (Loss) on Disposition of Assets 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 Restructuring liabilities and other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash received from sale of NetBoss assets Proceeds from Sale of Productive Assets Cash disbursed related to sale of WiMAX business Proceeds from Divestiture of Businesses, Net of Cash Divested Additions of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Additions of capitalized software Payments to Acquire Other Productive Assets Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from short-term debt arrangement Proceeds from Short-term Debt Proceeds from long-term debt Proceeds from Issuance of Long-term Debt Payments on short-term debt arrangement Repayments of Short-term Debt Payments on long-term debt Repayments of Long-term Debt Proceeds from stock-based compensation awards Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Payments for Redemption of Subsidiary Preference Shares Payments for Redemption of Subsidiary Preference Shares Payments for Redemption of Subsidiary Preference Shares Net cash provided by 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, at Carrying Value Cash and cash equivalents, end of period Segment Reporting [Abstract] Major Customer And Business Segments Segment Reporting Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis Of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Proceeds from (Repurchase of) Redeemable Preferred Stock [Abstract] Redeemable Preference Shares Redeemable Preference Shares [Text Block] Redeemable preference shares [Text Block] Earnings Per Share [Abstract] Net Income (Loss) per Share of Common Stock Earnings Per Share [Text Block] Share-based Compensation [Abstract] Share-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Discontinued Operations and Disposal Groups [Abstract] Divestiture Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Recently Issued Accounting Standards [Abstract] Recently Issued Accounting Standards [Abstract] NewAccountingPronouncementsAndChangesInAccountingPrinciples [Text Block] NewAccountingPronouncementsAndChangesInAccountingPrinciples [Text Block] The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. Balance Sheet Related Disclosures [Abstract] Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Debt Disclosure [Abstract] Credit Facility And Debt Debt Disclosure [Text Block] Equity [Abstract] Accumulated Other Comprehensive Loss and Total Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Loss Contingency, Information about Litigation Matters [Abstract] Legal Proceedings Legal Matters and Contingencies [Text Block] Leases, Operating [Abstract] Operating Lease Commitments Commitments Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Financial Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Restructuring and Related Activities [Abstract] Restructuring Restructuring and Related Activities Disclosure [Text Block] 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 Amortization of purchased technology Cost of Goods Sold and Services Amortization The amount of expense recognized in the current period that reflects the allocation of the costs of intangible assets over the expected benefit period of such assets. This element applies to intangible assets directly related to goods produced and sold and services rendered by an entity during the reporting period. 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 loss Operating Income (Loss) Loss on sale of NetBoss assets Other expenses Other Expenses Interest income Investment Income, Interest Interest expense Interest Expense Loss from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for (benefit from) income taxes Income Tax Expense (Benefit) Loss from continuing operations Income (Loss) from Continuing Operations Attributable to Parent Loss from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net loss Per share data: Earnings Per Share, Basic and Diluted [Abstract] Basic and diluted loss per common share from continuing operations Income (Loss) from Continuing Operations, Per Basic and Diluted Share Basic and diluted loss per common share from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Basic and Diluted Share Basic and diluted net loss per common share Earnings Per Share, Basic and Diluted Basic and diluted weighted average shares outstanding Weighted Average Number of Shares Outstanding Basic and Diluted 1 The average number of shares or units issued and outstanding that are used in calculating basic and diluted EPS. Assets Assets [Abstract] Cash and cash equivalents Receivables, net Receivables, Net, Current Unbilled costs Costs in Excess of Billings on Uncompleted Contracts or Programs Expected to be Collected within One Year Inventories Inventory, Net Customer service inventories Inventory, Parts and Components, Net of Reserves Deferred income taxes Deferred Tax Assets, Net, 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 Goodwill Goodwill Identifiable intangible assets, net Intangible Assets, Net (Excluding Goodwill) Deferred income taxes Deferred Tax Assets, Net, Noncurrent Other assets Other Assets, Noncurrent Total Long-Term assets Assets, Noncurrent Total Assets Assets Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Short-term debt Short-term Debt Current portion of long-term debt Long-term Debt, Current Maturities Accounts payable Accounts Payable, Current Accrued compensation and benefits Employee-related Liabilities, Current Redeemable preference shares Redeemable Preference Shares Redeemable preference shares which are redeemable by the entity within one year. Other accrued expenses Other Accrued Liabilities, Current Advance payments and unearned income Deferred Revenue and Credits, Current Deferred income taxes Deferred Tax Liabilities, Current Restructuring liabilities Restructuring Reserve, Current Total Current Liabilities Liabilities, Current Long-Term Liabilities Liabilities, Noncurrent [Abstract] Long-term debt Long-term Debt Other long-term liabilities Other Liabilities, Noncurrent Reserve for uncertain tax positions Liability for Uncertain Tax Positions, Noncurrent Deferred income taxes Deferred Tax Liabilities, Noncurrent Total Liabilities Liabilities Commitments and Contingencies Commitments and Contingencies Stockholders' Equity Statement of Stockholders' Equity [Abstract] Preferred stock Preferred Stock, Value, Issued Common stock, 61,271,511 and 60,611,561 shares issued and outstanding at March 30, 2012 and July 1, 2011, 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 Stockholders' Equity Stockholders' Equity Attributable to Parent Total Liabilities and Stockholders' Equity Liabilities and Equity Document And Entity Information [Abstract] Document and Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus 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 Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets [Abstract] Condensed Consolidated Balance Sheets [Abstract] Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Goodwill and Intangible Asset Impairment [Abstract] Goodwill and Long-Lived Assets Disclosure Goodwill and Intangible Assets Disclosure [Text Block] Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] Fair Value Measurements Of Assets And Liabilities Fair Value Disclosures [Text Block]