Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Weighted-Average Remaining Useful Life Intangible Asset, Finite-Lived, Remaining Amortization Period Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Schedule of Components of Other Non-current Assets Schedule of Other Assets, Noncurrent [Table Text Block] Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Number of geographic regions in which entity operates Number Of Geographic Regions In Which Entity Operates Number Of Geographic Regions In Which Entity Operates Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Remaining performance obligation, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Acquisition related costs Business Combination, Acquisition-Related Cost, Expense Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] Goodwill Goodwill, Including Measurement Adjustments Goodwill, Including Measurement Adjustments 2022 Repurchase Plan 2022 Repurchase Plan [Member] 2022 Repurchase Plan Schedule of Estimated Future Amortization Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] Restructuring Plan [Axis] Restructuring Plan [Axis] Payment for contingent consideration liability, investing activities Payment for Contingent Consideration Liability, Investing Activities Schedule of Assets and Liabilities Measured at Fair Value Fair Value, Assets Measured on Recurring Basis [Table Text Block] Common stock, $0.001 par value; 1 billion shares authorized; 246 million shares at October 3, 2026 and 247 million shares at June 27, 2026, issued and outstanding Common Stock, Value, Issued Fiscal 2028 Lessee, Operating Lease, Liability, to be Paid, Year One Withholding tax payment on vesting of restricted stock and performance- based awards Payment, Tax Withholding, Share-Based Payment Arrangement Accrued payroll and related expenses Employee-related Liabilities, Current Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Other Other Assets, Miscellaneous, Noncurrent Employee Pension and Other Benefit Plans Retirement Benefits [Text Block] Direct Optical Research Company Direct Optical Research Company [Member] Direct Optical Research Company Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Derivative Instrument [Axis] Derivative Instrument [Axis] Sterling Overnight Interbank Average Rate (SONIA) Sterling Overnight Interbank Average Rate (SONIA) [Member] Sterling Overnight Interbank Average Rate (SONIA) Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Conversion price (in USD per share) Debt Instrument, Convertible, Conversion Price Acquired Developed Technology and Other Intangibles Acquired Developed Technology and Other Intangible Assets [Abstract] Proceeds from the sale of assets Proceeds from Sale of Productive Assets Amendment Flag Amendment Flag Goodwill Goodwill [Line Items] Current liabilities: Liabilities, Current [Abstract] Charged to Costs and  Expenses Accounts Receivable, Credit Loss Expense (Reversal) Other Other Sundry Liabilities, Current Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Developed technology Acquired developed technology Developed Technology Rights [Member] Property, plant and equipment, net Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Loss Contingencies [Table] Loss Contingencies [Table] Leases [Abstract] Leases [Abstract] Equity Method Investee Equity Method Investee [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Amortization of acquired technologies and other intangibles Finite Lived Intangible Assets Amortized Expense Aggregate amount of intangible amortization of assets recognized as expense during the period. 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OSP replaced the previous Advanced Optical Technologies reportable segment ("AOT") and its reporting units which were merged into the new OSP reportable segment during the first quarter of fiscal 2013. Identified intangible assets acquired Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Other Plans Country, Other [Member] Country, Other Long-term debt Long-Term Debt Other Asia-Pacific Other Asia Pacific [Member] Represents the entire Asia-Pacific region other than China, where the entity operates. 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Depreciation Plan Name [Domain] Plan Name [Domain] Accrued expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses Antidilutive Securities [Axis] Antidilutive Securities [Axis] Operating right-of-use (ROU) assets Operating Lease, Right-of-Use Asset Credit facility, excess availability rate Debt Instrument, Covenant, Borrowing Excess Availability, Rate Limit Debt Instrument, Covenant, Borrowing Excess Availability, Rate Limit Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Total purchase consideration Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Operating Segments and Geographic Information Segment Reporting [Text Block] Investments and Forward Contracts Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Outstanding debt Long-Term Line of Credit Minimum Minimum [Member] Deposits Deposits Assets, Noncurrent Expiration Date Trading Arrangement Expiration Date Exchange Transaction Exchange Transaction [Member] Exchange Transaction [Member] Effect of exchange rates on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Shares used in per share calculations: Weighted-average shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Location, Statement of Income, Balance [Axis] Location, Statement of Income, Balance [Axis] Restricted cash Restricted Cash and Cash Equivalent Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total Americas Americas [Member] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Debt Conversion Description [Axis] Debt Conversion Description [Axis] Business Combination [Line Items] Business Combination [Line Items] Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Payment of financing obligations Payments For Failed Sale-Leaseback And Capital Lease Payments For Failed Sale-Leaseback And Capital Lease Common stock, shares authorized (in shares) Common Stock, Shares Authorized Earnings Per Share Reconciliation [Abstract] Earnings Per Share Reconciliation [Abstract] Estimated Useful Life Intangible Asset, Finite-Lived, Useful Life 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OSP replaced the previous Advanced Optical Technologies reportable segment ("AOT") and its reporting units which were merged into the new OSP reportable segment during the first quarter of fiscal 2013. Aggregate grant-date fair value Share Based Compensation, Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Granted in Period Total Fair Value The total fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. 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Total potentially dilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount RSUs Restricted Stock Units (RSUs) [Member] Schedule of Changes in Goodwill Goodwill [Table Text Block] Schedule of Weighted Average Potentially Dilutive Securities Excluded from the Computation Because Their Effect Would Have Been Anti-dilutive Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Entity Central Index Key Entity Central Index Key Debt issuance cost - Revolving Credit Facility Unamortized notes debt issuance cost Debt Issuance Costs, Noncurrent, Net Components of the net periodic cost for the pension and benefits plans Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Additional paid-in capital Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Stockholders’ equity: Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Acquisition related holdback and related accruals Acquisition Related Holdback And Related Accruals, Current Acquisition Related Holdback And Related Accruals, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Deferred income taxes Deferred Income Tax Assets, Net Operating expenses: Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Accelerated depreciation Restructuring and Related Cost, Accelerated Depreciation Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Accumulated Other Comprehensive Loss Total AOCI Attributable to Parent [Member] Write-off of unamortized debt discount and issuance costs Deferred Debt Issuance Costs And Unamortized Discount, Write-Off Deferred Debt Issuance Costs And Unamortized Discount, Write-Off All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] Name Forgone Recovery, Individual Name Finished goods Inventory, Finished Goods, Net of Reserves Unamortized debt discount Debt Instrument, Unamortized Discount, Current Fair value of contingent consideration Fair value of contingent consideration, noncurrent Business Combination, Contingent Consideration, Liability, Noncurrent Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Other Interest Expense, Debt, Other Interest Expense, Debt, Other Intangibles Intangible Asset [Text Block] Statement [Line Items] Statement [Line Items] Total assets Total assets Assets Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Defined Benefit Plan [Table] Defined Benefit Plan [Table] Lessee, Operating Lease, Liability, Payment, Due [Abstract] Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Other non-current liabilities Other Liabilities, Noncurrent [Abstract] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Convertible Notes Convertible Debt [Member] Operating Segments Operating Segments [Member] Credit facility, borrowing base Debt Instrument, Covenant, Borrowing Excess Availability, Borrowing Base Debt Instrument, Covenant, Borrowing Excess Availability, Borrowing Base Interest expense Interest expense Interest Expense, Nonoperating Schedule of the Impact On the Entity's Results of Operations of Recording Stock-Based Compensation by Function Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Strategic investment in non-marketable equity securities Equity Securities without Readily Determinable Fair Value, Amount Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Proceeds from convertible debt Proceeds from Convertible Debt Other comprehensive loss OCI, before Reclassifications, Net of Tax, Attributable to Parent Schedule of Carrying Amounts of the Liability and Equity Components of Convertible Debt Schedule of Liability and Equity Components of Convertible Debt [Table Text Block] Tabular disclosure of the debt and equity components of convertible debt instruments. 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A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. 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