Cover [Abstract] Entity Current Reporting Status Entity Filer Category Entity Registrant Name Entity Interactive Data Current Entity Common Stock, Shares Outstanding Security Exchange Name Entity File Number Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, Postal Zip Code City Area Code Local Phone Number Document Quarterly Report Document Transition Report Entity Shell Company Entity Small Business Entity Emerging Growth Company Trading Symbol Document Type Document Period End Date Title of 12(b) Security Entity Address, Country Entity Address, Address Line Two Current Fiscal Year End Date Amendment Flag Entity Central Index Key Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Statement [Line Items] Statement [Line Items] Assets [Abstract] Assets Assets Total Assets Assets, Current [Abstract] Current assets Accounts Receivable, Net, Current Trade accounts receivable, net Assets, Current Total current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Contract with Customer, Asset, Net, Current Contract assets Ending balance, December 27, 2019 Beginning balance, June 28, 2019 Inventory, Net Inventories Inventories Short-term Investments Short-term investments Other Assets, Current Other current assets Prepaid Expense, Current Prepaid expenses Restricted Cash, Current Short-term restricted cash Other Receivables, Net, Current Other receivable Assets, Noncurrent [Abstract] Non-current assets Assets, Noncurrent Total non-current assets Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Deferred tax assets Finite-Lived Intangible Assets, Net Intangibles, net Net Total Goodwill Goodwill Beginning Balance Ending Balance Other Assets, Noncurrent Other non-current assets Property, Plant and Equipment, Net Property, plant and equipment, net Restricted Cash, Noncurrent Long-term restricted cash Operating Lease, Right-of-Use Asset Operating right-of-use assets Operating lease ROU assets Liabilities and Equity [Abstract] Liabilities and Shareholders' Equity Commitments and Contingencies Commitments and contingencies (Note 19) Liabilities Total Liabilities Liabilities and Equity Total Liabilities and Shareholders' Equity Liabilities, Current [Abstract] Current liabilities Long-term Debt, Current Maturities Long-term borrowings, current portion, net Long-term borrowings, current portion, net Accounts Payable, Trade, Current Trade accounts payable Accrued Income Taxes, Current Income tax payable Accrued Liabilities, Current Accrued expenses Employee-related Liabilities, Current Accrued payroll, bonus and related expenses Liabilities, Current Total current liabilities Other Liabilities, Current Other payables Contract with Customer, Liability, Current Contract liabilities Ending balance, December 27, 2019 Beginning balance, June 28, 2019 Operating Lease, Liability, Current Operating lease liabilities, current portion Operating lease liability, current portion Operating lease liabilities, current Liabilities, Noncurrent [Abstract] Non-current liabilities Long-term Debt, Excluding Current Maturities Long-term borrowings, non-current portion, net Long-term borrowings, non-current portion, net Deferred Tax Liabilities, Gross, Noncurrent Deferred tax liability Liability, Defined Benefit Pension Plan, Noncurrent Severance liabilities Liabilities, Noncurrent Total non-current liabilities Other Liabilities, Noncurrent Other non-current liabilities Operating Lease, Liability, Noncurrent Operating lease liabilities, non-current portion Operating lease liabilities, non-current Stockholders' Equity Attributable to Parent [Abstract] Shareholders' equity Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Additional Paid in Capital, Common Stock Additional paid-in capital Common Stock, Value, Issued Ordinary shares (500,000,000 shares authorized, $0.01 par value; 38,460,931 shares and 38,230,753 shares issued as of March 27, 2020 and June 28, 2019, respectively; and 36,716,828 shares and 36,841,650 shares outstanding as of March 27, 2020 and June 28, 2019, respectively) Preferred Stock, Value, Issued Preferred shares (5,000,000 shares authorized, $0.01 par value; no shares issued and outstanding as of March 27, 2020 and June 28, 2019) Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Total Shareholders' Equity Beginning Balance Ending Balance Treasury Stock, Common, Value Less: Treasury shares, at cost (1,744,103 shares and 1,389,103 shares as of March 27, 2020 and June 28, 2019, respectively) Common Stock, Par or Stated Value Per Share Ordinary shares, par value Common Stock, Shares Authorized Ordinary shares, shares authorized Ordinary shares, authorized share capital Common Stock, Shares, Issued Ordinary shares, shares issued Common Stock, Shares, Outstanding Ordinary shares, shares outstanding Preferred Stock, Par or Stated Value Per Share Preferred shares, par value Preferred Stock, Shares Authorized Preferred shares, shares authorized Preferred Stock, Shares Issued Preferred shares, shares issued Preferred Stock, Shares Outstanding Preferred shares, shares outstanding Treasury Stock, Shares Treasury stocks, shares Income Statement [Abstract] Cost of Revenue Cost of revenues Earnings Per Share [Abstract] Earnings per share Earnings Per Share, Basic Basic Basic earnings per ordinary share Earnings Per Share, Diluted Diluted Diluted earnings per ordinary share Expenses Related to Reduction in Workforce Expenses related to reduction in workforce Expenses related to reduction in workforce. Foreign Currency Transaction Gain (Loss), before Tax Foreign exchange loss, net Gross Profit Gross profit Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Income tax expense Interest and Other Income Interest income Interest Expense Interest expense Net Income (Loss) Attributable to Parent Net income Net income Net income for the period Net income attributable to shareholders Operating Income (Loss) Operating income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income (loss), net of tax: Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net comprehensive income Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Change in net unrealized (loss) gain on available-for-sale securities Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Change in net unrealized loss on derivative instruments Change in net unrealized loss on derivatives instruments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Change in foreign currency translation adjustment Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total other comprehensive (loss) income, net of tax Other comprehensive (Loss) Income Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax Change in net retirement benefits plan – prior service cost Other Nonoperating Income (Expense) Other income, net Revenues Revenues Selling, General and Administrative Expense Selling, general and administrative expenses Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted-average number of ordinary shares outstanding (thousands of shares) Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted-average number of ordinary shares for diluted earnings per ordinary share (thousands of shares) Weighted Average Number of Shares Outstanding, Basic Basic Weighted-average number of ordinary shares outstanding (thousands of shares) Statement of Stockholders' Equity [Abstract] Class of Stock [Axis] Class of Stock [Domain] Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Ordinary Shares Additional Paid-in Capital [Member] Additional Paid-in Capital Treasury Stock [Member] Treasury Shares AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent Retained Earnings [Member] Retained Earnings Shares, Outstanding Beginning Balance (in shares) Ending Balance (in shares) Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Share-based compensation Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Issuance of ordinary shares Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Issuance of ordinary shares (in shares) Treasury Stock, Value, Acquired, Cost Method Repurchase shares held as treasury shares Tresury stock shares repurchased value Adjustments Related to Tax Withholding for Share-based Compensation Tax withholdings related to net share settlement of restricted share units Cumulative Effect on Retained Earnings, Net of Tax Cumulative effect adjustment from adoption of ASC 606 Treasury Stock, Shares, Acquired Treasury stocks, shares Treasury Stock, Shares, Acquired Statement of Cash Flows [Abstract] Cash And Cash Equivalents And Restricted Cash, Period Increase (Decrease) [Abstract] Movement in cash, cash equivalents and restricted cash Cash And Cash Equivalents And Restricted Cash, Period Increase (Decrease) [Abstract] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Increase in cash, cash equivalents and restricted cash Net increase in cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Effect of exchange rate on cash, cash equivalents and restricted cash Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities Proceeds from Issuance of Long-term Debt Proceeds from long-term borrowings Payments for Repurchase of Common Stock Repurchase of ordinary shares Repayments of Bank Debt Repayment of long-term borrowings Finance Lease, Principal Payments Repayment of finance lease liabilities Financing cash flows from finance leases Proceeds from (Repayments of) Restricted Cash, Financing Activities Release of restricted cash held in connection with business acquisition Payments Related to Tax Withholding for Share-based Compensation Withholding tax related to net share settlement of restricted share units Tax withholdings related to net share settlement of restricted share units Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Payments of Debt Issuance Costs Payment of debt issuance costs Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Payments to Acquire Intangible Assets Purchase of intangibles Payments to Acquire Short-term Investments Purchase of short-term investments Payments to Acquire Property, Plant, and Equipment Purchase of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from disposal of property, plant and equipment Proceeds from Sale of Short-term Investments Proceeds from sales of short-term investments Proceeds From Maturities Of Short Term Investments Proceeds from maturities of short-term investments Proceeds from maturities of short-term investments. Payment For Fund Provided To Customer To Support Transfer Of Manufacturing Operations Funds provided to customer to support transfer of manufacturing operations (Note 9) Payment for fund provided to customer to support transfer of manufacturing operations. Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities Accretion (Amortization) of Discounts and Premiums, Investments Accretion of premiums on short-term investments Amortization of Debt Issuance Costs and Discounts Amortization of deferred debt issuance costs Deferred Income Taxes and Tax Credits Deferred income tax Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Gain (Loss) on Disposition of Intangible Assets Loss on disposal of intangibles Gain (Loss) on Disposition of Property Plant Equipment Loss on disposal of property, plant and equipment Other Noncash Income (Expense) Other non-cash expenses Share-based Compensation Share-based compensation Total share-based compensation expense Share-based compensation expense Available-for-sale Securities, Gross Realized Gain (Loss) Gain from sales and maturities of available-for-sale securities Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments Unrealized loss on fair value of interest rate swaps Unrealised Gain Loss On Exchange Rate And Fair Value Of Foreign Currency Forward Contracts Unrealized loss (gain) on exchange rate and fair value of foreign currency forward contracts Unrealised gain loss on exchange rate and fair value of foreign currency forward contracts Reversal Of Allowance For Doubtful Accounts Receivable Recoveries (Reversal) allowance for doubtful accounts Reversal of allowance for doubtful accounts receivable recoveries. Amortization Of Interest Rate Swaps Fair Value At Hedge Amortization of fair value at hedge inception of interest rate swaps Amortization of interest rate swaps fair value at hedge. Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities Increase (Decrease) in Accounts Payable, Trade Trade accounts payable Increase (Decrease) in Accounts Receivable Trade accounts receivable Increase (Decrease) in Income Taxes Payable Income tax payable Increase (Decrease) in Contract with Customer, Asset Contract assets Increase (Decrease) in Inventories Inventories Increase (Decrease) in Other Operating Assets Other current assets and non-current assets Increase (Decrease) in Other Operating Liabilities Other current liabilities and non-current liabilities Increase (Decrease) in Contract with Customer, Liability Contract liabilities Severance Costs Severance liabilities Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Noncash Investing and Financing Items [Abstract] Non-cash investing and financing activities Capital Expenditures Incurred but Not yet Paid Construction, software and equipment-related payables Restricted Cash and Cash Equivalents, at Carrying Value [Abstract] Reconciliation of cash, cash equivalents and restricted cash Restricted Cash and Cash Equivalents, at Carrying Value [Abstract] Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Organization, Consolidation and Presentation of Financial Statements [Abstract]