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reconciling items for operating profit loss segment to consolidated Amount of an item in the reconciliation of total profit or loss from reportable segments to the entity's consolidated income before income taxes, extraordinary items, discontinued operations. 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Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Restricted cash included in other current assets Restricted Cash and Cash Equivalent, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Subsequent Event [Table] Subsequent Event [Table] Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Share-based compensation Share-Based Payment Arrangement, Noncash Expense Buy Long [Member] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] Subsegments Consolidation Items [Domain] Subsegments Consolidation Items [Domain] Gross fair values and balance sheet location of derivative instruments held in the consolidated balance sheet Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Basic (in dollars per share) Net income per share - basic Earnings Per Share, Basic Short-Term Debt, Terms Short-Term Debt, Terms Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Total current assets Assets, Current Insider Trading Arrangements [Line Items] Decrease in income tax provision due to tax incentives, Aggregate Dollar Amount Income Tax Holiday, Aggregate Dollar Amount Long-term debt Long-term Debt, Excluding Current Maturities Long-Term Debt, Excluding Current Maturities Payments of Financing Costs Payments of Financing Costs Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) Debt and Equity Securities, Gain (Loss) [Abstract] Debt and Equity Securities, Gain (Loss) [Abstract] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Discrete tax expense [Line Items] Discrete tax expense Discrete tax expense due to a change in the potential U.S. benefit associated with the future resolution of non-U.S. tax reserves. Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Long-term deferred revenue Deferred Revenue, Noncurrent Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Asset Acquisition [Line Items] Asset Acquisition [Line Items] Proceeds from issuance of long-term debt Proceeds from Issuance of Senior Long-Term Debt Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] Other income (expense), net Other Nonoperating Income (Expense) IEEPA Tariff Refund Claims Receivable Current IEEPA Tariff Refund Claims [Member] IEEPA Tariff Refund Claims 2031 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Five Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Hedging Designation [Domain] Hedging Designation [Domain] Foreign currency translation impact Translation Adjustment Functional to Reporting Currency, Net of Tax, Period Increase (Decrease) Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Other Commitment Other Commitment Foreign Exchange Forward Foreign Exchange Forward [Member] Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests In Process Research and Development In Process Research and Development [Member] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] INCOME TAXES Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Noncontrolling Interest, Increase from Business Combination Noncontrolling Interest, Increase from Business Combination Other non-cash expenses (income), net Other Noncash Income (Expense) Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Business Combination, Consideration Transferred Business Combination, Consideration Transferred Retirement Plan Type [Domain] Retirement Plan Type [Domain] Entity Filer Category Entity Filer Category Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] IEEPA Tariff refunds claims total receivable IEEPA Tariff refunds claims total receivable IEEPA Tariff refunds claims total receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease right-of-use assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease right-of-use assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease right-of-use assets Other comprehensive income (loss), tax, parenthetical disclosures [Abstract] Other Comprehensive Income (Loss), Tax, Parenthetical Disclosure [Abstract] Prepaid Expense and Other Assets, Current [Abstract] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Other Commitment, to be Paid, Year One Other Commitment, to be Paid, Year One Subsequent Event, Description Subsequent Event, Description Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease liabilities Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets: Assets Short - term [Abstract] Assets, Current [Abstract] Business Combination, Pro Forma Information, Pro Forma Revenue Business Combination, Pro Forma Information, Pro Forma Revenue Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Entity Address, Address Line One Entity Address, Address Line One Right-of-use assets obtained in exchange for operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Spirent Spirent [Member] Spirent Facility, Outstanding Line of Credit Facility, Fair Value of Amount Outstanding Provision for income taxes Income Tax Expense (Benefit) Loss Contingency Accrual, Payments Loss Contingency Accrual, Payments Fair Value Hedging Fair Value Hedging [Member] Business Combination, Recognized Liability Assumed, Deferred Tax Liability Business Combination, Recognized Liability Assumed, Deferred Tax Liability AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Disposal Group, Including Discontinued Operation, Goodwill Disposal Group, Including Discontinued Operation, Goodwill Statement [Table] Statement [Table] Treasury Lock Treasury Lock [Member] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Interest income Investment Income, Interest Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Total derivatives Asset Derivative Asset, Subject to Master Netting Arrangement, before Offset Commercial Communications Commercial Communications [Member] [Member] Commercial Communications Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]