75000 - Document - Cover
link:presentationLink
link:calculationLink
link:definitionLink
75010 - Statement - Consolidated Balance Sheets
link:presentationLink
link:calculationLink
link:definitionLink
75020 - Statement - Consolidated Balance Sheets (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
75030 - Statement - Consolidated Statements of Operations
link:presentationLink
link:calculationLink
link:definitionLink
75040 - Statement - Consolidated Statements of Comprehensive Income (Loss)
link:presentationLink
link:calculationLink
link:definitionLink
75050 - Statement - Consolidated Statements of Comprehensive Income (Loss) (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
75060 - Statement - Consolidated Statements of Stockholders' Equity
link:presentationLink
link:calculationLink
link:definitionLink
75070 - Statement - Consolidated Statements of Cash Flows
link:presentationLink
link:calculationLink
link:definitionLink
995457 - Disclosure - Cybersecurity Risk Management, Strategy, and Governance
link:presentationLink
link:calculationLink
link:definitionLink
995467 - Disclosure - NATURE OF BUSINESS
link:presentationLink
link:calculationLink
link:definitionLink
995477 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
link:presentationLink
link:calculationLink
link:definitionLink
995487 - Disclosure - REVENUE RECOGNITION
link:presentationLink
link:calculationLink
link:definitionLink
995497 - Disclosure - CONCENTRATION OF CREDIT RISK AND SIGNIFICANT CUSTOMERS
link:presentationLink
link:calculationLink
link:definitionLink
995507 - Disclosure - CASH, CASH EQUIVALENTS, MARKETABLE SECURITIES AND INVESTMENTS
link:presentationLink
link:calculationLink
link:definitionLink
995517 - Disclosure - FAIR VALUE MEASUREMENTS
link:presentationLink
link:calculationLink
link:definitionLink
995527 - Disclosure - INVENTORIES AND DEFERRED COSTS
link:presentationLink
link:calculationLink
link:definitionLink
995537 - Disclosure - FIXED ASSETS
link:presentationLink
link:calculationLink
link:definitionLink
995547 - Disclosure - DIVESTITURES
link:presentationLink
link:calculationLink
link:definitionLink
995557 - Disclosure - GOODWILL AND INTANGIBLE ASSETS
link:presentationLink
link:calculationLink
link:definitionLink
995567 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
link:presentationLink
link:calculationLink
link:definitionLink
995577 - Disclosure - RESTRUCTURING CHARGES
link:presentationLink
link:calculationLink
link:definitionLink
995587 - Disclosure - LONG-TERM DEBT
link:presentationLink
link:calculationLink
link:definitionLink
995597 - Disclosure - NET INCOME (LOSS) PER SHARE
link:presentationLink
link:calculationLink
link:definitionLink
995607 - Disclosure - TREASURY STOCK
link:presentationLink
link:calculationLink
link:definitionLink
995617 - Disclosure - STOCK PLANS
link:presentationLink
link:calculationLink
link:definitionLink
995627 - Disclosure - PENSION BENEFIT PLANS
link:presentationLink
link:calculationLink
link:definitionLink
995637 - Disclosure - INCOME TAXES
link:presentationLink
link:calculationLink
link:definitionLink
995647 - Disclosure - LEASES
link:presentationLink
link:calculationLink
link:definitionLink
995657 - Disclosure - COMMITMENTS AND CONTINGENCIES
link:presentationLink
link:calculationLink
link:definitionLink
995667 - Disclosure - SEGMENT AND GEOGRAPHIC INFORMATION
link:presentationLink
link:calculationLink
link:definitionLink
995677 - Disclosure - SUBSEQUENT EVENT
link:presentationLink
link:calculationLink
link:definitionLink
995687 - Disclosure - Schedule II - Valuation and Qualifying Accounts
link:presentationLink
link:calculationLink
link:definitionLink
995697 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
link:presentationLink
link:calculationLink
link:definitionLink
995707 - Disclosure - REVENUE RECOGNITION (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995717 - Disclosure - CASH, CASH EQUIVALENTS, MARKETABLE SECURITIES AND INVESTMENTS (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995727 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995737 - Disclosure - INVENTORIES AND DEFERRED COSTS (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995747 - Disclosure - FIXED ASSETS (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995757 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995767 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995777 - Disclosure - RESTRUCTURING CHARGES (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995787 - Disclosure - NET INCOME (LOSS) PER SHARE (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995797 - Disclosure - STOCK PLANS (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995807 - Disclosure - PENSION BENEFIT PLANS (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995817 - Disclosure - INCOME TAXES (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995827 - Disclosure - LEASES (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995837 - Disclosure - SEGMENT AND GEOGRAPHIC INFORMATION (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995847 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995857 - Disclosure - REVENUE RECOGNITION - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995857 - Disclosure - REVENUE RECOGNITION - Narrative (Details) [Default]
link:presentationLink
link:calculationLink
link:definitionLink
995867 - Disclosure - REVENUE RECOGNITION - Performance Obligations (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995877 - Disclosure - REVENUE RECOGNITION - Schedule of Allowance for Credit Losses (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995887 - Disclosure - CASH, CASH EQUIVALENTS, MARKETABLE SECURITIES AND INVESTMENTS- Schedule of Marketable Securities (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995897 - Disclosure - CASH, CASH EQUIVALENTS, MARKETABLE SECURITIES AND INVESTMENTS - Schedule of Contractual Maturities of Marketable Securities (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995907 - Disclosure - CASH, CASH EQUIVALENTS, MARKETABLE SECURITIES AND INVESTMENTS - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995917 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995927 - Disclosure - INVENTORIES AND DEFERRED COSTS (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995937 - Disclosure - FIXED ASSETS - Schedule of Fixed Assets (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995947 - Disclosure - FIXED ASSETS (Additional Information) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995957 - Disclosure - DIVESTITURES (Additional Information) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995967 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995977 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Carrying Amount of Goodwill (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995987 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995997 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Amortization Expense (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996007 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Expected Future Amortization Expense (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996017 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996027 - Disclosure - LEASES - Schedule of Future Minimum Payments Under Non-Cancellable Leases (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996037 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Notional Amounts and Fair Values of Derivative Instruments on Consolidated Balance Sheet (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996047 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Effect of Foreign Exchange Forward Contracts on Other Comprehensive Income and Results of Operations (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996057 - Disclosure - RESTRUCTURING CHARGES - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996067 - Disclosure - RESTRUCTURING CHARGES - Schedule of Restructuring Liability (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996077 - Disclosure - LONG-TERM DEBT (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996087 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Calculations of the Basic and Diluted Net Income (Loss) Per Share and Potential Common Shares (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996097 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Income (Loss) Per Share (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996107 - Disclosure - TREASURY STOCK (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996117 - Disclosure - STOCK PLANS - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996127 - Disclosure - STOCK PLANS - Schedule of Share-Based Compensation Expense (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996137 - Disclosure - STOCK PLANS - Schedule of Transactions under Amended 2007 and 2019 Plan (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996147 - Disclosure - STOCK PLANS - Schedule of Aggregate Intrinsic Values of Stock Options and Restricted Stock Units (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996157 - Disclosure - PENSION BENEFIT PLANS - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996167 - Disclosure - PENSION BENEFIT PLANS - Schedule of Amounts Included in Accumulated Other Comprehensive Income (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996177 - Disclosure - PENSION BENEFIT PLANS - Schedule of Change in Accumulated Other Comprehensive Income (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996187 - Disclosure - PENSION BENEFIT PLANS - Schedule of Net Benefit Costs (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996197 - Disclosure - PENSION BENEFIT PLANS - Schedule of Changes in Benefit Obligation (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996207 - Disclosure - PENSION BENEFIT PLANS - Schedule of Benefit Obligation of the Pension Plan Reported in Balance Sheet (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996217 - Disclosure - PENSION BENEFIT PLANS - Schedule of Changes in Fair Value of Plan Assets (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996227 - Disclosure - PENSION BENEFIT PLANS - Schedule of Weighted Average Assumptions Used to Determine Net Periodic Pension Cost (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996237 - Disclosure - PENSION BENEFIT PLANS - Schedule of Expected Contributions (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996247 - Disclosure - INCOME TAXES - Schedule of Income before Income Tax Expense (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996257 - Disclosure - INCOME TAXES - Schedule of Components of Income Tax Expense (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996267 - Disclosure - INCOME TAXES - Schedule of Federal Statutory Income Tax Rate to Effective Tax Rate (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996277 - Disclosure - INCOME TAXES - Schedule of Federal Statutory Income Tax Rate to Effective Tax Rate (Details) 2
link:presentationLink
link:calculationLink
link:definitionLink
996287 - Disclosure - INCOME TAXES - Schedule of Components of Net Deferred Tax Assets (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996297 - Disclosure - INCOME TAXES - Schedule of Income Tax Paid (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996307 - Disclosure - INCOME TAXES - Schedule of Reconciliation of Unrecognized Tax Benefits (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996317 - Disclosure - INCOME TAXES - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996327 - Disclosure - LEASES - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996337 - Disclosure - LEASES - Schedule of Components of Operating Lease Cost (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996347 - Disclosure - LEASES - Schedule of Supplemental Cash Flow Information (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996357 - Disclosure - LEASES - Schedule of Future Minimum Payments Under Non-Cancellable Leases (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996367 - Disclosure - LEASES - Schedule of Future Minimum Payments Under Non-Cancellable Leases (Details) 2
link:presentationLink
link:calculationLink
link:definitionLink
996377 - Disclosure - COMMITMENTS AND CONTINGENCIES (Additional Information) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996387 - Disclosure - SEGMENT AND GEOGRAPHIC INFORMATION - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996397 - Disclosure - SEGMENT AND GEOGRAPHIC INFORMATION - Schedule of Total Revenue by Geography (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996407 - Disclosure - SUBSEQUENT EVENT - Narrative (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996417 - Schedule - Schedule II - Valuation and Qualifying Accounts (Details)
link:presentationLink
link:calculationLink
link:definitionLink
999009 - Disclosure - Anchoring
link:presentationLink
link:calculationLink
link:definitionLink
Equity Securities, FV-NI
Equity investment in Napatech
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Vested (in dollars per share)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
Changes in market value of derivatives, net of benefit of $21, $35, and $9
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Foreign
Share Repurchase Program, May 2022
Share Repurchase Program, May 2022 [Member]
Share Repurchase Program, May 2022
Restructuring Reserve
Balance at March 31, 2025
Balance at March 31, 2026
Concentration Risk Type [Axis]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Preferred Stock, Shares Issued
Preferred stock, shares issued (in shares)
Statement of Financial Position Location, Balance [Domain]
Balance Sheet Location [Domain]
Defined Benefit Plan, Plan Assets, Contributions by Employer
Contributions to defined benefit pension plans
Employee contributions
Employer direct benefit payments
Increase (Decrease) in Accounts Payable
Accounts payable
Performance Based Restricted Stock Units
Performance Based Restricted Stock Units [Member]
Performance Based Restricted Stock Units
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
Due in 1 year or less
Plan Name [Axis]
Plan Name [Axis]
Equity [Abstract]
STOCKHOLDERS' EQUITY:
Entity Current Reporting Status
Entity Current Reporting Status
Operating Expenses [Abstract]
Operating expenses:
Fair Value, Inputs, Level 2 [Member]
Level 2
Deferred Tax Assets, Net of Valuation Allowance
Net deferred tax assets
Net deferred tax assets
Commitments and Contingencies Disclosure [Text Block]
COMMITMENTS AND CONTINGENCIES
Common Stock, Shares Authorized
Common stock, shares authorized (in shares)
Finite-Lived Intangible Asset, Expected Amortization, Year Four
2030
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
Changes in unrealized (loss) gain, net of (benefit) tax
Product and Service [Axis]
Product and Service [Axis]
Agency Securities [Member]
Agency Bonds
Document Fiscal Period Focus
Document Fiscal Period Focus
Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years
2032-2036
Other Noncurrent Liabilities [Member]
Other Long Term Liabilities
Liability, Defined Benefit Plan, Current
Accrued compensation
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer [Abstract]
Entity Shell Company
Entity Shell Company
Exercise Price Of Option and Percentage Of Fair Market Value Of Common Stock
Exercise Price Of Option and Percentage Of Fair Market Value Of Common Stock
Percentage of fair market value of common stock
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
Change in accumulated other comprehensive income (loss)
Other Accrued Liabilities, Current
Accrued other
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
Service [Member]
Service
Segment Reporting, Policy [Policy Text Block]
Segment Reporting
Cash and Cash Equivalent
Cash and cash equivalents
Benefit obligation, at end of year
Defined Benefit Plan, Benefit Obligation
Benefit obligation, at beginning of year
Number of Reporting Units
Number of Reporting Units
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
2028
Defined Benefit Plan, Expected Future Benefit Payment, Year Two
Cybersecurity Risk Management, Strategy, and Governance [Abstract]
Common Stock, Shares, Issued
Common stock, shares issued (in shares)
Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]
Cybersecurity Risk Board of Directors Oversight [Text Block]
Statement [Table]
Statement [Table]
Recognition of actuarial net gain (loss) from pension and other post-retirement plans, net of taxes (benefit) of $XX, 277, and ($823)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent, Total
Recognition of actuarial net gains (losses) from pension and other post-retirement plan
Recognition of actuarial net gain (loss) from pension and other post-retirement plans, net of tax (benefit) of $197, $277 and ($823)
Deferred Tax Assets Operating Lease Liability
Deferred Tax Assets Operating Lease Liability
Lease liabilities
Additions based on tax positions related to the current year
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Right-of-use assets obtained in exchange for new operating lease liabilities
Share-Based Payment Arrangement, Disclosure [Abstract]
Other Inventory, Capitalized Costs, Gross
Deferred costs
Schedule of Amounts Recognized in Balance Sheet [Table Text Block]
Schedule of Benefit Obligation of the Pension Plan Reported in Balance Sheet
Payments to Acquire Businesses, Gross
Cash consideration
Capitalized Contract Cost, Net
Capitalized contract cost
Asset Retirement Obligation
Asset retirement obligation
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain (Loss), before Tax
Unrealized Gains (Losses)
Share Repurchase Program, Remaining Authorized, Number of Shares
Stock remaining to be purchased (in shares)
Statement [Line Items]
Statement [Line Items]
Business Combination [Domain]
Revenue Recognition
Revenue from Contract with Customer [Policy Text Block]
Entity Filer Category
Entity Filer Category
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Liabilities and Equity
Total liabilities and stockholders’ equity
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Increase (Decrease) in Employee Related Liabilities
Accrued compensation and other expenses
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent, Total
Changes in Unrecognized Tax Benefits
Restructuring Type [Axis]
Restructuring Type [Axis]
Long-Lived Tangible Asset [Axis]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
Cumulative translation adjustments
Cumulative translation adjustments
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount
Increase in valuation allowance
Prepaid Expenses and Other Current Assets [Member]
Prepaid Expenses and Other Current Assets
Prepaid Expenses and Other Current Assets
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]
Cash and Cash Equivalents, Fair Value Disclosure
Cash and cash equivalents
Deferred Tax Assets, Valuation Allowance
Valuation allowance
Valuation allowance
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Statutory U.S. federal tax rate
Subsequent Event [Line Items]
Cybersecurity Risk Management Third Party Engaged [Flag]
Documents Incorporated by Reference
Documents Incorporated by Reference [Text Block]
Beginning Balance
Ending Balance
Goodwill
Goodwill
Other Noncash Income (Expense)
Other gains (losses)
Effective Income Tax Rate Reconciliation, Percent
Effective tax rate
Total effective income tax rate
Income Taxes Paid
Cash paid for income taxes
Accounts Receivable, Allowance for Credit Loss, Recovery
Recoveries to other accounts
Investment Income, Interest
Interest income
Treasury Stock, Common, Value
Treasury stock at cost, 65,164,029 and 61,978,025
Income Tax Jurisdiction [Axis]
Schedule of Foreign Exchange Contracts, Statement of Financial Position [Table Text Block]
Schedule of Notional Amounts and Fair Values of Derivative Instruments on Consolidated Balance Sheet
Geographical [Domain]
Geographical [Domain]
Payments to Acquire Intangible Assets
Purchase of intangible assets
Inventory, Finished Goods, Gross
Finished goods
Net Income (Loss) Available to Common Stockholders, Basic [Abstract]
Numerator:
Equity Securities, FV-NI, Unrealized Loss
Unrealized loss related to foreign currency translation
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
Retirement plan employee's contribution, percentage matched
Schedule of Changes in Benefit Obligation
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
Schedule II - Valuation and Qualifying Accounts
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Schedule of Inventory, Current [Table Text Block]
Schedule of Inventories
Accounts Receivable, Allowance for Credit Loss
Allowance for credit losses, ending balance
Allowance for credit losses, beginning balance
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation
Cost related to tax withholding
Shares withheld for employee taxes related to equity awards
Defined Benefit Plan, Plan Assets, Benefits Paid
Benefits paid and other
Benefits paid and other
Significant Accounting Policies [Text Block]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Property, Plant and Equipment [Line Items]
Share Repurchase Program [Axis]
Share Repurchase Program [Axis]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent
Unrealized net gains (losses) on derivative financial instruments
Total net change in market value of derivatives
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Cybersecurity Risk Management, Strategy, and Governance [Table]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Calculations of the Basic and Diluted Net Income (Loss) Per Share and Potential Common Shares
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense
Additions Resulting in Charges to Operations
Trademarks and Trade Names [Member]
Definite-lived Trademark and Trade Name
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax [Abstract]
Changes in market value of investments:
Concentration Risk Disclosure [Text Block]
CONCENTRATION OF CREDIT RISK AND SIGNIFICANT CUSTOMERS
Investments Classified by Contractual Maturity Date [Table Text Block]
Schedule of Contractual Maturities of Marketable Securities
Earnings Per Share, Basic
Basic net income (loss) per share (in dollars per share)
Basic net income (loss) per share (in dollars per share)
Earnings Per Share, Basic, Total
Basic net income (loss) per share
Repayments of Long-Term Debt
Repayment of long-term debt
Divestiture
Effective Income Tax Rate Reconciliation, Disposition of Business, Percent
Retirement Benefits [Text Block]
PENSION BENEFIT PLANS
Stock Issued
Issuance of common stock under employee stock plans
Revolving Credit Facility [Member]
Revolving Credit Facility [Member]
Senior Secured Revolving Credit Facility
Liabilities, Current
Total current liabilities
Effective Income Tax Rate Reconciliation Foreign Withholding Percent
Effective Income Tax Rate Reconciliation Foreign Withholding Percent
Foreign withholdings
Proceeds from Sale of Equity Securities, FV-NI
Proceeds from sale of equity investment in Napatech
Increase (Decrease) in Accounts Receivable
Accounts receivable and unbilled costs
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Adjustments to reconcile net income (loss) to cash provided by operating activities, net of the effects of acquisitions:
Lessee, Operating Lease, Liability, to be Paid, Year Five
2031
Hedging Designation [Domain]
Hedging Designation [Domain]
Cross-border tax laws, Other
Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount
Income Tax Paid, Federal, after Refund Received
Income Tax Paid, Federal, after Refund Received, Total
U.S. Federal
Domestic Federal [Member]
Domestic Tax Jurisdiction [Member]
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
Revolving Credit Facility Leverage Ratio Terms 2 [Member]
Revolving Credit Facility Leverage Ratio Terms 2 [Member]
Senior Secured Revolving Credit Facility Leverage Ratio Terms Two
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction
Deductions Due to Write Offs
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract]
Available-for-sale securities:
Allowance for credit loss
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Effective Income Tax Rate Reconciliation [Table]
Payments of Debt Issuance Costs
Payment of debt issuance costs
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
Reclassification adjustment for net (loss) gain included in net income (loss), net of (benefit) tax
Equity, Attributable to Parent [Abstract]
Stockholders’ equity:
Entity Small Business
Entity Small Business
Hedging Designation [Axis]
Hedging Designation [Axis]
Retained Earnings (Accumulated Deficit)
Retained earnings (Accumulated deficit)
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost
Share-based compensation
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Treasury Stock, Value, Acquired, Par Value Method
Repurchase of common stock as treasury
Current Foreign Tax Expense (Benefit)
Foreign
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]
Changes in market value of derivatives:
ASR Program [Member]
ASR Program [Member]
ASR Program
Leases [Abstract]
Leases [Abstract]
Contract with Customer, Liability
Deferred revenue and customer deposits
Amendment Flag
Amendment Flag
Product and Service [Domain]
Product and Service [Domain]
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
US federal statutory tax rate
Inventory Disclosure [Text Block]
INVENTORIES AND DEFERRED COSTS
Base rate loans [Member]
Base Rate Loans [Member]
Base Rate Loans
Deferred Tax Liabilities Depreciation
Deferred Tax Liabilities Depreciation
Depreciation
Liabilities and Equity [Abstract]
Liabilities and Stockholders’ Equity
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Trade Receivable Valuations
Accounts Receivable [Policy Text Block]
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Net cash provided by operating activities
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description
Common Stock [Member]
Common Stock
Accounting Standards Update and Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
Cybersecurity Risk Role of Management [Text Block]
Tax Credit Carryforward, Amount
Tax credit carryforwards
Retirement plan employer contributions
Defined Contribution Plan, Employer Discretionary Contribution Amount
Lessee, Operating Lease, Liability, to be Paid, Year Three
2029
Less - accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Debt Securities, Available-for-Sale [Line Items]
Debt Securities, Available-for-sale [Line Items]
Entity Address, Address Line One
Entity Address, Address Line One
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Earnings Per Share [Abstract]
Earnings Per Share [Abstract]
Income Tax, Policy [Policy Text Block]
Income Taxes
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]
Supplemental Cash Flow Information [Abstract]
Supplemental disclosures of cash flow information:
Foreign Currency
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Test Optimization Business [Member]
Test Optimization Business [Member]
Derivative Asset
Derivative financial instruments
Goodwill and Intangible Assets Disclosure [Text Block]
GOODWILL AND INTANGIBLE ASSETS
Defined Benefit Plan, Expected Future Benefit Payment, Year Four
2030
Statement of Financial Position Location, Balance [Axis]
Balance Sheet Location [Axis]
Operating Lease, Right-of-Use Asset
Operating lease right-of-use assets
Deferred Tax Assets, Gross
Total gross deferred tax assets
Total gross deferred tax assets
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]
Inventory Disclosure [Abstract]
Inventory Disclosure [Abstract]
Document Type
Document Type
Valuation of Goodwill and Intangible Assets
Goodwill and Intangible Assets, Policy [Policy Text Block]
Income Taxes Paid, Net
Total
Gross Profit
Gross profit
Cost of Revenue [Abstract]
Cost of revenue:
Entity Central Index Key
Entity Central Index Key
Accounts Receivable, Allowance for Credit Loss, Current
Accounts receivable, allowance for doubtful accounts
Debt Securities, Available-for-Sale [Table Text Block]
Schedule of Marketable Securities
Investments, Debt and Equity Securities [Abstract]
Investments, Debt and Equity Securities [Abstract]
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]
Foreign currency losses
Realized Gain (Loss), Foreign Currency Transaction, before Tax
Equity, Class of Treasury Stock [Line Items]
Equity, Class of Treasury Stock [Line Items]
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Net increase in cash and cash equivalents
Subsequent Event Type [Domain]
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Schedule of Total Revenue by Geography
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Antidilutive securities (in shares)
Disposal Group Classification [Domain]
Contract Maturing Over Next Months
Contract Maturing Over Next Months
Contract maturity period
Common Stock, Par or Stated Value Per Share
Common stock, par value (in dollars per share)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Other comprehensive (loss) income
Percentage of Annualized Forfeiture Rate For Award Grant
Percentage of Annualized Forfeiture Rate For Award Grant
Base Rate [Member]
Base Rate
Debt Securities, Available-for-Sale, Amortized Cost
Amortized Cost
Retirement Plan Sponsor Location [Domain]
Retirement Plan Sponsor Location [Domain]
Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss)
Foreign exchange rate impact
Other Foreign Tax Jurisdiction [Member]
Foreign Tax Jurisdiction, Other [Member]
Debt Securities, Available-for-Sale
Fair Value
Available-for-sale Securities
Available-for-sale securities
Document Financial Statement Error Correction
Document Financial Statement Error Correction [Flag]
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Restructuring and Related Cost, Expected Cost
Restructuring and related cost, expected cost
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Derivative, Notional Amount
Notional Amounts
Cost of Sales [Member]
Cost of Product Revenue
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Current Fiscal Year End Date
Current Fiscal Year End Date
Schedule of Long-Term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Document Quarterly Report
Document Quarterly Report
Advertising Expense
Advertising Cost [Policy Text Block]
Transition Agreements
Transition Agreements [Member]
Q3 FY25 Plan
Customer Relationships [Member]
Customer Relationships
Entity Address, State or Province
Entity Address, State or Province
Beginning outstanding balance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Ending outstanding balance (in shares)
Preferred Stock, Shares Outstanding
Preferred stock, shares outstanding (in shares)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive income (loss)
Shares available for future issuance under the ESPP (in shares).
Common Stock, Capital Shares Reserved for Future Issuance
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
DIVESTITURES
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Total
Recognition of actuarial net gain (loss) from pension and other post-retirement plans, net of tax (benefit)
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements
Weighted average restricted stock units (in shares)
Weighted average restricted stock units and performance-based restricted stock units
Defined Benefit Plan, Assumptions [Table Text Block]
Schedule of Weighted Average Assumptions Used to Determine Net Periodic Pension Cost
Risks and Uncertainties [Abstract]
Risks and Uncertainties [Abstract]
Geographical [Axis]
Geographical [Axis]
Contract with Customer, Liability, Revenue Recognized
Revenue recognized
Accounts Receivable [Member]
Accounts Receivable
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation
Shares paid for tax withholding (in shares)
Shares withheld for employee taxes related to equity awards (in shares)
Inventory, Raw Materials, Gross
Raw materials
Proceeds from Sale of Equity Method Investments
Proceeds from sale of equity investment
State and local income tax, net of federal income tax effect
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount
Nondeductible Expense, Other
Deferred Compensation Liability, Classified, Noncurrent
Accrued long-term retirement benefits
Comprehensive Income, Policy [Policy Text Block]
Comprehensive Income (Loss)
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Components of Net Deferred Tax Assets
Rest Of The world [Member]
Rest Of World [Member]
Rest of the world
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive (loss) income:
Deferred Income Tax Assets, Net
Deferred income taxes
Proceeds from Sale and Maturity of Marketable Securities
Proceeds from maturity of marketable securities
Subsequent Event [Member]
Subsequent Event
Share Repurchase Program, October 2017 [Member]
Share Repurchase Program, October 2017
Share Repurchase Program, October 2017
Amortization of Acquired Intangible Assets
Amortization of Acquired Intangible Assets
Amortization of acquired intangible assets
Hedging Forecasted Cash Flows For Operating Expenses Denominated In Foreign Currencies Managed In Months
Hedging Forecasted Cash Flows For Operating Expenses Denominated In Foreign Currencies Managed In Months
Managing period of hedging forecasted cash flows for operating expenses denominated in foreign currencies
Property, Plant and Equipment [Abstract]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized
Number of new shares (in shares)
Number of additional shares available (in shares)
Other Assets, Noncurrent
Other assets
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Total fair value of restricted stock unit awards vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
Income Tax Paid, Foreign, after Refund Received
Income Tax Paid, Foreign, after Refund Received, Total
Other foreign jurisdictions
State and Local Jurisdiction [Member]
State and Local Jurisdiction
Payments For Repurchase Of Common Stock Including Unsettled Shares
Payments For Repurchase Of Common Stock Including Unsettled Shares
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]
Schedule of Share-Based Compensation Expense
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income
Customer [Domain]
Derivative Liability
Derivative financial instruments
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Treasury Stock, Common, Shares
Ending balance, treasury stock (in shares)
Beginning balance, treasury stock (in shares)
Treasury stock, shares (in shares)
Goodwill, Impairment Loss
Goodwill impairment
Goodwill impairment
Goodwill impairment
Thereafter
Finite-Lived Intangible Asset, Expected Amortization, after Year Five
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Tax
Unrecognized actuarial net gain
One Channel Partner [Member]
One Channel Partner.
One Channel Partner
Preferred Stock, Value, Issued
Preferred stock, $0.001 par value: 5,000,000 authorized; none issued or outstanding
Other Short-Term Investments
Marketable securities
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred income tax benefit:
Minimum [Member]
Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Granted (in dollars per share)
Class of Treasury Stock [Table]
Class of Treasury Stock [Table]
Financial Instrument [Axis]
Financial Instrument [Axis]
Assets, Current [Abstract]
Current assets:
Amortization of Intangible Assets
Amortization of acquired intangible assets
Fair Value, Inputs, Level 3 [Member]
Level 3
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Liabilities, Fair Value Disclosure [Abstract]
LIABILITIES:
DigiCert Inc [Member]
DigiCert Inc [Member]
DigiCert, Inc
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Schedule of Financial Assets and Liabilities
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Liabilities, Current [Abstract]
Current liabilities:
Product [Member]
Product
Uncollected Deferred Product Revenue Policy [Policy Text Block]
Uncollected Deferred Product Revenue Policy [Policy Text Block]
Uncollected Deferred Revenue
Restructuring and Related Activities Disclosure [Text Block]
RESTRUCTURING CHARGES
Accrued expenses
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
Two Thousand And Seven Equity Incentive Plan [Member]
Two Thousand And Seven Equity Incentive Plan Member
2007 Equity Incentive Plan
Accounts Receivable, after Allowance for Credit Loss, Current
Accounts receivable and unbilled costs, net of allowance for doubtful accounts of $129 and $214 at March 31, 2026 and 2025, respectively
Commitments and Contingencies
Commitments and contingencies (Note 19)
Leases
Lessee, Leases [Policy Text Block]
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
Defined Benefit Plan, Service Cost
Service cost
Ending outstanding balance (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Beginning outstanding balance (in dollars per share)
Inventory, Work in Process, Gross
Work in process
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
Issuance of common stock pursuant to vesting of restricted stock units (in shares)
Accounts Receivable, Credit Loss Expense (Reversal)
Additions resulting in charges to operations
General and Administrative Expense [Member]
General and administrative
Operating Lease, Liability
Present value of lease liabilities
Auditor Firm Id
Auditor Firm ID
Debt Instrument, Basis Spread on Variable Rate
Interest rate in excess of effective rate
Forecast [Member]
Forecast
Schedule of Goodwill [Table Text Block]
Schedule of Changes in Carrying Amount of Goodwill
Voluntary Separation Program
Voluntary Separation Program [Member]
Q1 FY25 VSP
Concentration Risk Benchmark [Axis]
Marketable Securities, Noncurrent
Long-term marketable securities
Gain (Loss) on Derivative Instruments, Net, Pretax
Gain (Loss) on Derivative Instruments, Net, Pretax, Total
Change in fair value of derivative instrument
Change in fair value of derivative instrument
Operating Expense [Member]
Operating Expense
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Changes in valuation allowance
Forward Contracts [Member]
Forward contracts
Forward contracts
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
Schedule of Restructuring Liability
Short-term Marketable Securities [Member]
Short Term Marketable Securities [Member]
Short-term Marketable Securities
Capital Expenditures Incurred but Not yet Paid
Additions to property, plant and equipment included in accounts payable
Accrued Income Taxes, Current
Income taxes payable
Transfers from inventory to fixed assets
Transfers From Inventory To Fixed Assets
Transfers of inventory to fixed assets
Share-Based Payment Arrangement, Recognized Amount [Abstract]
Long-Term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Cybersecurity Risk Management Positions or Committees Responsible [Text Block]
Weighted Average Number of Shares Outstanding, Basic
Weighted Average Number of Shares Outstanding, Basic, Total
Net income (loss) per share-basic
Denominator for basic net income (loss) per share - weighted average common shares outstanding
Stock-Based Compensation Included in Fixed Assets and Other Asset
Stock-based compensation included in fixed assets and other asset.
Stock-based compensation included in fixed assets and other assets
Scenario [Axis]
Scenario [Axis]
Restructuring Charges Including Foreign Currency Exchange Gains (Losses)
Restructuring Charges Including Foreign Currency Exchange Gains (Losses)
Restructuring charges
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of Federal Statutory Income Tax Rate to Effective Tax Rate
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Income before income tax expense
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Income before income tax expense
Consolidated Profit before Taxes
Long-Lived Tangible Asset [Domain]
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]
Subsequent Events [Text Block]
SUBSEQUENT EVENT
Variable Rate [Domain]
Variable Rate [Domain]
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)
Actuarial gain
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Deferred Tax Asset, In-Process Research and Development
Capitalized research and development expenses
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Changes in valuation allowance
Equity, Attributable to Parent
Ending balance
Beginning balance
Total stockholders’ equity
Payments to Acquire Investments
Purchase of marketable securities
Preferred Stock, Par or Stated Value Per Share
Preferred stock, par value (in dollars per share)
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery
Recoveries to Other Accounts
Recoveries to Other Accounts
Debt Instrument, Covenant Compliance, Maximum Leverage Ratio
Debt Instrument, Covenant Compliance, Maximum Leverage Ratio
Maximum leverage ratio
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Use of Estimates, Policy [Policy Text Block]
Use of Estimates
Napatech
Napatech [Member]
Napatech
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax
Unrecognized actuarial gain
Treasury Stock, Common [Member]
Treasury Stock
Leverage Ratio
Leverage Ratio
Leverage ratio
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Leasehold Improvements [Member]
Leasehold improvements
Commissions Expense, Policy [Policy Text Block]
Commission Expense
Selling and Marketing Expense [Member]
Sales and marketing
Sales and marketing
Fair Value Disclosures [Text Block]
FAIR VALUE MEASUREMENTS
Appreciation Award
Appreciation Award [Member]
Appreciation Award Member
UNITED STATES
United States
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Noncash Investing and Financing Items [Abstract]
Non-cash transactions:
Share-Based Compensation Arrangement by Share-Based Payment Award, Per Share Weighted Average Price of Shares Purchased
Share price (in dollars per share)
Shares issued under ESPP plan, weighted average purchase price per share (in dollars per share)
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Schedule of Reconciliation of Unrecognized Tax Benefits
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]
Plan Name [Domain]
Plan Name [Domain]
Global and Macroeconomic Conditions
Global and Macroeconomic Conditions [Policy Text Block]
Global and Macroeconomic Conditions [Policy Text Block]
Defined Benefit Plan, Number Of Employees Covered
Defined Benefit Plan, Number Of Employees Covered
Number of employees participating in noncontributory defined benefit pension plans
Number of employees in the U.S. participating in noncontributory defined benefit pension plants
2011 Employee Stock Purchase Plan
Two Thousand And Eleven Employee Stock Purchase Plan [Member]
Two Thousand And Eleven Employee Stock Purchase Plan Member
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Credit Facility [Axis]
Credit Facility [Axis]
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]
Reserves
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Loss Reserves
State
Current State and Local Tax Expense (Benefit)
Schedule of Expected Benefit Payments [Table Text Block]
Schedule of Expected Contributions
Cybersecurity Risk Management Expertise of Management Responsible [Text Block]
Effective Income Tax Rate Reconciliation, Foreign Branch Income, Percent
Effective income tax rate reconciliation, foreign branch income, percent.
Foreign branch Income
Certificates of Deposit [Member]
Certificates of deposit
Certificates of deposit
Effective Income Tax Rate Reconciliation, Foreign Branch Income, Amount
Effective income tax rate reconciliation, foreign branch income, amount.
Foreign branch income
Other Noncurrent Assets [Member]
Other Assets
Restructuring Plan [Axis]
Restructuring Plan [Axis]
Increase (Decrease) in Income Taxes Payable
Income taxes payable
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Other
Foreign Tax Jurisdiction [Member]
Foreign Tax Jurisdiction
Property, Plant and Equipment, Policy [Policy Text Block]
Fixed Assets
Disposal Group Name [Domain]
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]
Schedule of Intangible Assets
Entity Address, City or Town
Entity Address, City or Town
Reduction for each share of common stock pursuant to option
Reduction In Reserve Options Quantity Of Reduction
Reduction In Reserve, Options, Quantity Of Reduction
Number of Reportable Segments
Number of reportable segments
Security Exchange Name
Security Exchange Name
Deferred income tax expense (benefit), Total
Deferred Other Tax Expense (Benefit)
Deferred income tax expense (benefit), Total
Credit Facility [Domain]
Credit Facility [Domain]
Europe [Member]
Europe
Increase (Decrease) In Operating Lease, Right-Of-Use Asset
Increase (Decrease) In Operating Lease, Right-Of-Use Asset
Operating lease right-of-use assets
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Other permanent differences
Property, Plant and Equipment, Gross
Property, Plant and Equipment, Gross, Ending Balance
Property, Plant and Equipment, Gross, Beginning Balance
Property, Plant and Equipment, Gross, Total
Fixed assets, gross
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current income tax expense:
Counterparty Name [Axis]
Counterparty Name [Axis]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Income (loss) before income tax expense
Concentration Risk Type [Domain]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Retirement Plan Sponsor Location [Axis]
Retirement Plan Sponsor Location [Axis]
Effect of foreign operations
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax
Loss Recognized in OCI on Derivative
Inventory, Net
Inventories and deferred costs
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Cash and cash equivalents, beginning of year
Cash and cash equivalents, end of year
Interest Paid, Excluding Capitalized Interest, Operating Activity
Cash paid for interest
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net
Loss Recognized in Income
Addition in reserve equity
Addition In Reserve Equity Instrument Other Than Options Quantity Of Addition
Addition In Reserve Equity Instrument Other Than Options Quantity Of Addition
Assets, Current
Total current assets
Share-Based Payment Arrangement, Expense
Share-based compensation expense
Document Period End Date
Document Period End Date
Title and Position [Axis]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
ICFR Auditor Attestation Flag
ICFR Auditor Attestation Flag
Undistributed earnings of foreign subsidiaries
Undistributed Earnings of Foreign Subsidiaries
Line of Credit Facility, Commitment Fee Percentage
Commitment fee percentage
Defined Benefit Plan, Benefit Obligation, Benefits Paid
Benefits paid and other
Gain (Loss) on Disposition of Property Plant Equipment
Loss on disposal of fixed assets
Long-Term Debt [Text Block]
LONG-TERM DEBT
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage
Retirement plan employer contributions vest at rate per year of service, percentage
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Restricted Stock Units (RSUs) [Member]
Restricted stock units
Restricted Stock Units
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Line of Credit [Member]
Line of Credit
Antidilutive Security, Excluded EPS Calculation [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Compensation and Employee Benefit Plans [Text Block]
STOCK PLANS
Capitalized Contract Cost, Amortization
Amortization of capitalized costs to obtain contracts
Increase (Decrease) In Operating Lease Liabilities
Increase (Decrease) In Operating Lease Liabilities
Operating lease liabilities
Current income tax expense, Total
Current Income Tax Expense (Benefit)
Current income tax expense, Total
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Change in Accumulated Other Comprehensive Income (Loss)
Cybersecurity Risk Management, Strategy, and Governance [Line Items]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Withholding taxes
Effective Income Tax Rate Reconciliation, Withholding Taxes, Amount
Effective income tax rate reconciliation, withholding taxes, amount.
Not Designated as Hedging Instrument [Member]
Derivatives Not Designated as Hedging Instruments:
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Liabilities
Total liabilities
Financial Instruments [Domain]
Financial Instruments [Domain]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Other foreign jurisdictions
Restructuring Reserve, Accrual Adjustment
Other adjustments
Derivative Liability, Statement of Financial Position [Extensible Enumeration]
Lessee, Operating Lease, Liability, to be Paid, Year Two
2028
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Disposal Groups, Including Discontinued Operations [Table]
Advertising expense
Advertising Expense
Restricted Stock [Member]
Restricted Stock [Member]
Foreign Exchange Forward [Member]
Foreign Exchange Forward
Variable Rate [Axis]
Variable Rate [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Balance at Beginning of Fiscal Year
Balance at End of Fiscal Year
Finite-Lived Intangible Assets, Gross
Cost
Weighted Average Number of Shares Outstanding, Diluted
Net income (loss) per share - diluted (in shares)
Net income (loss) per share-diluted
Denominator for diluted net income (loss) per share - weighted average shares outstanding
Entity File Number
Entity File Number
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Unrealized net investment gains (losses)
Changes in unrealized (loss) gain, net of (benefit) tax of ($30), $9, and ($15)
Domestic Plan [Member]
Domestic Plan
Derivative Instruments, Gain (Loss) [Table Text Block]
Schedule of Effect of Foreign Exchange Forward Contracts on OCI and Results of Operations
Cover [Abstract]
Cover [Abstract]
Prepaid Expense and Other Assets, Current
Prepaid expenses and other current assets
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Canceled (in shares)
Cash and Cash Equivalents Disclosure [Text Block]
CASH, CASH EQUIVALENTS, MARKETABLE SECURITIES AND INVESTMENTS
Revenue
Revenue Benchmark [Member]
Scenario [Domain]
Scenario [Domain]
Segment Reporting Disclosure [Text Block]
SEGMENT AND GEOGRAPHIC INFORMATION
General and Administrative Expense
General and administrative
Unrecognized Accounts Receivable And Deferred Revenue
Unrecognized Accounts Receivable And Deferred Revenue
Unrecognized accounts receivable and deferred revenue
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
Subsequent Event [Table]
Other
Deferred Tax Assets, Other
Finite-Lived Intangible Assets, Net
Net
Gain (Loss) on Extinguishment of Debt
Loss on extinguishment of debt
Gain (Loss) on Extinguishment of Debt, Total
Loss on extinguishment of debt (non cash portion)
Restructuring Charges
Restructuring charges
Restructuring charges to operations
Estimated useful life
Property, Plant and Equipment, Useful Life
New Accounting Pronouncements, Policy [Policy Text Block]
Recent Accounting Standards
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Schedule of Future Minimum Payments Under Non-Cancellable Leases
Foreign tax credits
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent
Foreign tax credits
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Schedule of Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity
Derivative Instruments, Gain (Loss) [Table]
Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table]
Contract with Customer, Liability, Current
Deferred revenue and customer deposits
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent
Nondeductible Expense, Other
Domestic
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Depreciation
Depreciation, Total
Depreciation expense
Proceeds from Issuance of Long-Term Debt
Proceeds from issuance of long-term debt
FIFO Inventory Amount
Total inventories
Common Stock, Shares, Outstanding
Ending balance, common stock (in shares)
Beginning balance, common stock (in shares)
Common stock, shares outstanding (in shares)
Operating Lease, Liability, Current
Current portion of operating lease liabilities
Depreciation, Depletion and Amortization
Depreciation and amortization
Revenue, Remaining Performance Obligation, Amount
Revenue, remaining performance obligation, amount
Cybersecurity Risk Management Processes Integrated [Flag]
Document Transition Report
Document Transition Report
Total deferred tax assets
Deferred Tax Assets, Net
Total deferred tax liabilities
Operating Expenses
Total operating expenses
Research and Development Expense
Research and development
Cost of Revenue
Total cost of revenue
Lessee, Operating Leases [Text Block]
LEASES
Payments for Repurchase of Common Stock
Value of shares repurchased
Treasury stock repurchases
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Components of Income Tax Expense
Deferred Tax Assets, Operating Loss Carryforwards, State and Local
State net operating loss carryforwards
Accrued long-term retirement benefits
Liability, Defined Benefit Plan, Noncurrent
Liability, Defined Benefit Plan, Noncurrent, Total
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract]
Dilutive common equivalent shares:
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Restricted Stock Units, Weighted Average Fair Value
Federal
Current Federal Tax Expense (Benefit)
Cost Of Service Revenue [Member]
Cost Of Service Revenue [Member]
Cost of service revenue
Asia [Member]
Asia
Assets, Fair Value Disclosure [Abstract]
ASSETS:
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent
Share-based compensation
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Earnings Per Share [Text Block]
NET INCOME (LOSS) PER SHARE
Treasury Stock [Text Block]
TREASURY STOCK
Discontinued Operations and Disposal Groups [Abstract]
Deferred Tax Liabilities, Other
Other deferred tax liabilities
Computer Equipment [Member]
Computer equipment and internal use software
Cybersecurity Risk Management Processes Integrated [Text Block]
Net income (loss)
Net Income (Loss)
Increase (Decrease) in Inventories
Inventories
Demonstration And Spare Part Units [Member]
Demonstration And Spare Part Units Member
Demonstration and spare part units
Operating Lease, Cost
Lease cost under long-term operating leases
Income Tax Contingency [Line Items]
Cost Of Product Revenue [Member]
Cost Of Product Revenue [Member]
Cost of product revenue
Intangible Assets, Net (Excluding Goodwill), Total
Intangible Assets, Net (Excluding Goodwill)
Intangible Assets, Net (Excluding Goodwill)
Intangible assets, net
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
Schedule of Allowance for Credit Losses
Reduction for each share of common stock pursuant to other than option
Reduction In Reserve Equity Instrument Other Than Options Quantity Of Reduction
Reduction In Reserve Equity Instrument Other Than Options Quantity Of Reduction
Purchase Obligation
Purchase Obligation, Total
Unconditional purchase obligation
Effective Income Tax Rate Reconciliation, FDII, Percent
Foreign derived intangible income
Foreign derived intangible income
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Proceeds From Divestiture Of Businesses
Proceeds from Divestiture of Businesses
Proceeds from divestiture of a business
Assets [Abstract]
Assets
Increase (Decrease) in Prepaid Expense and Other Assets
Prepaid expenses and other assets
Unrecognized Net Actuarial Gains Exceeding Projected Benefit Obligation, Percentage
Percentage by which the unrecognized net actuarial gains exceeded the projected benefit obligation.
Unrecognized net actuarial gains exceeding the projected benefit obligation, Percentage
No Customer or Channel Partner [Member]
No customers or channel partners.
No Customer or Channel Partner
Restructuring and Related Activities [Abstract]
Restructuring and Related Activities [Abstract]
Document Fiscal Year Focus
Document Fiscal Year Focus
Other Assets [Member]
Other Assets [Member]
Concentration Risk Benchmark [Domain]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Revenue, remaining performance obligation, expected timing of satisfaction, period
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Cash flows from investing activities:
Senior Executives
Senior Executives [Member]
Senior Executives Member
Retirement Benefits [Abstract]
Retirement Benefits [Abstract]
Accounts Payable, Current
Accounts payable
Interest Expense, Nonoperating
Interest expense
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of Income before Income Tax Expense
Research and Development Expense [Member]
Research and development
Research and development
Schedule of Net Benefit Costs [Table Text Block]
Schedule of Net Periodic Pension Costs of Noncontributory Defined Benefit Pension Plans
Schedule of Net Benefit Costs
Gain Loss On Sale Of Business
Gain (Loss) on Disposition of Business
Gain on divestiture of a business
Gain on divestiture of a business
Deferred Federal Income Tax Expense (Benefit)
Federal
Schedule of Changes in Fair Value of Plan Assets [Table Text Block]
Schedule of Changes in Fair Value of Plan Assets
Equity Securities, FV-NI, Gain (Loss)
(Loss) gain on fair value of equity investment
Loss (gain) in equity investment
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture
Issuance of common stock pursuant to vesting of restricted stock units
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Finite-Lived Intangible Asset, Expected Amortization, Year One
2027
Components of Deferred Tax Assets [Abstract]
Deferred tax assets:
Finite-Lived Intangible Assets Amortization Expense [Table Text Block]
Schedule of Finite-lived Intangible Assets Amortization Expense
Adjusted Consolidated Earnings Before Interest, Tax, Depreciation And Amortization, Percentage
Adjusted Consolidated Earnings Before Interest, Tax, Depreciation And Amortization, Percentage
Adjusted consolidated EBITDA percentage
Unrecognized Tax Benefits [Roll Forward]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Employees [Member]
Employees Member
Employees
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Other Accrued Liabilities Current [Member]
Other accrued liabilities current.
Accrued other
Lessee, Operating Lease, Liability, to be Paid, Year One
2027
Distributor Relationships And Technology Licenses [Member]
Distributor Relationships And Technology Licenses [Member]
Distributor Relationships and Technology Licenses
Effective Income Tax Rate Reconciliation [Line Items]
Long-Term Line of Credit
Amount outstanding under credit facility
Debt Instrument [Axis]
Debt Instrument [Axis]
Derivative Instrument [Axis]
Derivative Instrument Risk [Axis]
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Thereafter
Defined Benefit Plan, Interest Cost
Interest cost
Share-Based Payment Arrangement [Abstract]
Share-based Payment Arrangement [Abstract]
Total unrecognized compensation cost
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total
Assets, Fair Value Disclosure
Total assets
Intangible assets
Deferred Tax Liabilities, Intangible Assets
Derivatives, Policy [Policy Text Block]
Derivative Financial Instruments
Concentration Risk, Percentage
Concentration risk, percentage
Defined Benefit Plan, Expected Future Benefit Payment, Year One
2027
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Net cash (used in) provided by investing activities
Title of 12(b) Security
Title of 12(b) Security
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Share based compensation
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount
Derivative Instruments and Hedging Activities Disclosure [Text Block]
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Canceled (in dollars per share)
Income Tax Disclosure [Text Block]
INCOME TAXES
Other Liabilities, Noncurrent
Other long-term liabilities
Restructuring Plan [Domain]
Restructuring Plan [Domain]
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Due after 1 year through 5 years
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Changes in assets and liabilities
Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block]
Schedule of Amounts Included in Accumulated Other Comprehensive Income (Loss)
Property, Plant and Equipment [Table Text Block]
Schedule of Fixed Assets
Fair value to plan assets, at beginning of year
Defined Benefit Plan, Plan Assets, Amount
Fair value of plan assets, at end of year
Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised
Issuance of common stock under stock plans
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Unrecognized Tax Benefits
Balance at April 1,
Balance at March 31,
Additional Paid-in Capital [Member]
Additional Paid In Capital
UNITED KINGDOM
United Kingdom [Member]
Statement of Income Location, Balance [Axis]
Income Statement Location [Axis]
Income Statement Location [Axis]
Schedule of Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block]
Schedule of Aggregate Intrinsic Values of Stock Options and Restricted Stock Units
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Trading Symbol
Trading Symbol
Intangible Asset, Finite-Lived [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Property, Plant and Equipment Disclosure [Text Block]
FIXED ASSETS
Addition In Reserve Equity Instruments Other Than Options Quantity Of Addition
Addition In Reserve Equity Instruments Other Than Options Quantity Of Addition
Addition in reserve equity
Long-term Marketable Securities [Member]
Long Term Marketable Securities [Member]
Long-term Marketable Securities
Independent Director
Director [Member]
Subsequent Event Type [Axis]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
Changes in market value of derivatives, net of benefit
Employee-related Liabilities, Current
Accrued compensation
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Cash flows from financing activities:
Lessee, Operating Lease, Liability, to be Paid
Total lease payments
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Less imputed interest
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent
U.S. federal and state Research and development tax credits
U.S. federal and state research and development tax credits
Selling and Marketing Expense
Sales and marketing
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate
Maximum payroll deductions for purchase of shares by participants
Equity Components [Axis]
Equity Components [Axis]
Nonoperating Income (Expense)
Total interest and other income, net
Equity Component [Domain]
Equity Component [Domain]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Disclosure [Abstract]
Deferred revenue
Deferred Tax Assets, Deferred Income
Share Based Compensation Arrangement By Share Based Payment Award Performance Measurement Period
Share Based Compensation Arrangement By Share Based Payment Award Performance Measurement Period
Award performance measurement period
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Deferred tax asset valuation allowance
Document Annual Report
Document Annual Report
Business Combination [Axis]
Rate of compensation increase
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Issuance of common stock under employee stock purchase plan (in shares)
Customer [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount, Total
Changes in unrecognized tax benefits
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Percent
Meals and entertainment
Maximum [Member]
Maximum
Liabilities, Fair Value Disclosure
Total liabilities
Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments:
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Contract with Customer, Liability, Noncurrent
Long-term deferred revenue and customer deposits
One-time Termination Benefits [Member]
One-time Termination Benefits
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated Amortization
Common Stock, Value, Issued
Common stock, $0.001 par value: 300,000,000 authorized; 136,628,693 and 134,038,262 issued and 71,464,664 and 72,060,237 outstanding
Derivative Asset, Current
Prepaid Expenses and Other Current Assets
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Secured Overnight Financing Rate (SOFR) [Member]
SOFR
Income Tax Contingency [Table]
Deferred Tax Assets, Operating Loss Carryforwards
Deferred Tax Assets, Operating Loss Carryforwards, Total
Net operating loss carryforwards
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]
Payment For Common Stock, Derivative Instrument
Payment For Common Stock, Derivative Instrument
Payment for common stock
Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent
Total net change in market value of investments
State taxes, net of federal tax effect
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Core Technology [Member]
Core Technology [Member]
Core Technology
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of Expected Future Amortization Expense
Entity Public Float
Entity Public Float
Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Offering Date
Percentage of common stock price for employees
Preferred Stock, Shares Authorized
Preferred stock, shares authorized (in shares)
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Payment, Tax Withholding, Share-Based Payment Arrangement
Tax withholding on restricted stock units
Research, Development, and Computer Software, Policy [Policy Text Block]
Capitalized Software Development Costs
REVENUE RECOGNITION
Revenue from Contract with Customer [Text Block]
Entity Registrant Name
Entity Registrant Name
Entity Voluntary Filers
Entity Voluntary Filers
Customer Concentration Risk
Customer Concentration Risk [Member]
Finite-Lived Intangible Asset, Expected Amortization, Year Two
2028
Treasury Stock, Shares, Acquired
Shares repurchased during the period (in shares)
Repurchase of common stock as treasury (in shares)
Other Nonoperating Income (Expense)
Other (expense) income, net
Additional Paid in Capital
Additional paid-in capital
State
Deferred State and Local Income Tax Expense (Benefit)
Subsequent Events [Abstract]
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Cybersecurity Risk Management Positions or Committees Responsible [Flag]
Finite-Lived Intangible Asset, Expected Amortization, Year Three
2029
Income Tax Expense (Benefit)
Income tax expense
Income Tax Expense (Benefit)
Defined Benefit Plan, Expected Future Benefit Payment, Year Five
2031
Restructuring Reserve [Roll Forward]
Restructuring Reserve [Roll Forward]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Revenue, Performance Obligation, Payment Terms
Revenue, Performance Obligation, Payment Terms
Payment terms
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding (in shares)
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Concentration of Credit Risk
Lessee, Operating Lease, Remaining Lease Term
Remaining lease terms
Disposal Group Classification [Axis]
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive income
Accounts Receivable, Allowance for Credit Loss, Writeoff
Deductions due to write-offs
Contingencies
Commitments and Contingencies, Policy [Policy Text Block]
Derivative Instrument, Number Of Shares Acquired
Derivative Instrument, Number Of Shares Acquired
Number of shares acquired (in shares)
Payments for Restructuring
Payments
Payments to Acquire Property, Plant, and Equipment
Purchase of fixed assets
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Assets
Total assets
Inventories
Inventory, Policy [Policy Text Block]
Property, Plant and Equipment [Table]
Income Tax Paid, State and Local, after Refund Received
Income Tax Paid, State and Local, after Refund Received, Total
U.S. State
Income Statement [Abstract]
Income Statement [Abstract]
APIC, Share-Based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition
Stock-based compensation expense for restricted stock units granted to employees
Restructuring Cost [Table]
Schedule of Restructuring and Related Costs [Table]
Computer Equipment And Internal Use Software [Member]
Computer Equipment And Internal Use Software [Member]
Computer Equipment and Internal Use Software
Cross-border tax laws, Other
Effective Income Tax Rate Reconciliation, Cross-Border, Other, Percent
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions
Release of tax positions of prior years
Share-Based Payment Arrangement [Policy Text Block]
Share-Based Compensation
Defined Benefit Plan, Amortization of Gain (Loss)
Amortization of net gain
Deferred Income Tax Expense (Benefit)
Deferred income taxes
Benefit obligation, at end of year
Liability, Defined Benefit Plan
Net Income Loss Per Share [Abstract]
Net Income Loss Per Share [Abstract]
Net income (loss) per share:
Net income per share:
Global intangible low taxed income
Effective Income Tax Rate Reconciliation, GILTI, Percent
Vested (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Earnings Per Share, Diluted
Diluted net income (loss) per share (in dollars per share)
Diluted net income (loss) per share (in dollars per share)
Earnings Per Share, Diluted, Total
Diluted net income (loss) per share
Foreign tax credit carryforwards
Deferred Tax Assets, Tax Credit Carryforwards, Foreign
Finite-Lived Intangible Asset, Expected Amortization, Year Five
2031
Effective Income Tax Rate Reconciliation, Percent
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Title and Position [Domain]
Foreign tax credits
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount
Foreign tax credits
City Area Code
City Area Code
Pension and other retiree benefits
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions
Auditor Name
Auditor Name
Line of Credit Facility, Maximum Borrowing Capacity
Credit facility
Defined Benefit Plan [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Other Intangible Assets [Member]
Other
Deferred Tax Assets, Tax Credit Carryforwards
Deferred Tax Assets, Tax Credit Carryforwards, Total
Tax credit carryforwards
Counterparty Name [Domain]
Counterparty Name [Domain]
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount
Research and development tax credits
Research and development tax credits
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent
Goodwill impairment
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
Reclassification adjustment for net (loss) gain included in net income (loss), net of (benefit) tax of ($66), $83, and ($15)
Variable Lease, Cost
Variable lease cost under short-term and long-term operating leases
Stock Issued During Period, Value, Employee Stock Purchase Plan
Issuance of common stock under employee stock purchase plan
Twenty Nineteen Amended Equity Incentive Plan
Twenty Nineteen Amended, Equity Incentive Plan [Member]
2019 Amended Plan
2019 Amended, Equity Incentive Plan
Operating Lease, Weighted Average Remaining Lease Term
Weighted average remaining lease term in years - operating leases
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Disposal Group Name [Axis]
Lease, Cost
Total operating lease cost
Computer Software, Intangible Asset [Member]
Capitalized Software
Letter of Credit [Member]
Letter of Credit Sub-facility
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash and Cash Equivalents and Marketable Securities
Derivative Liability, Current
Accrued Other
Property, Plant and Equipment, Net
Fixed assets, net
Property, Plant and Equipment, Net, Total
Defined Benefit Plan, Expected Future Benefit Payment, Year Three
2029
Deferred Foreign Income Tax Expense (Benefit)
Foreign
2019 Equity Incentive Plan
Twenty Nineteen Equity Incentive Plan [Member]
Twenty Nineteen Equity Incentive Plan Member
Operating Income (Loss)
Income (loss) from operations
Goodwill, Foreign Currency Translation, Gain (Loss)
Foreign currency translation impact
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate
Discount rate
Retained Earnings [Member]
Retained Earnings (Accumulated Deficit)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax
(Loss) Gain Reclassified from Accumulated OCI into Income
Term SOFR Loans
Term SOFR Loans [Member]
Term SOFR Loans
Shares purchased by employees (in shares)
Employee Stock Purchase Plan Number Of Shares Purchased By Employee
Employee stock purchase plan number of shares purchased by employee
Share-Based Payment Arrangement, Noncash Expense
Share-based compensation expense associated with equity awards
Restructuring and Related Cost, Number of Positions Eliminated
Number of employees terminated
Share Repurchase Program, Authorized, Number of Shares
Stock authorized to repurchase under stock repurchase program (in shares)
Operating Lease, Weighted Average Discount Rate, Percent
Weighted average discount rate - operating leases
Operating Lease, Liability, Noncurrent
Operating lease liabilities, net of current portion
Fair Value, Inputs, Level 1 [Member]
Level 1
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Net cash used in financing activities
Lease, Cost [Table Text Block]
Schedule of Components of Operating Lease Cost and Supplemental Cash Flow Information
Unamortized Debt Issuance Expense
Unamortized debt issuance costs
Auditor Location
Auditor Location
Developed Technology Rights [Member]
Developed Technology
Deferred Income Tax Liabilities, Net
Deferred tax liability
Foreign-derived intangible income
Effective Income Tax Rate Reconciliation, FDII, Amount
Foreign-derived intangible income
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax
Amortization of net actuarial gain
Fair value of investment
Investments, Fair Value Disclosure
Investments, Fair Value Disclosure, Total
Nonoperating Income (Expense) [Abstract]
Interest and other income, net:
Derivative Contract [Domain]
Derivative Contract Type [Domain]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
US Government Corporations and Agencies Securities [Member]
U.S. government and municipal obligations
U.S. government and municipal obligations
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Income (Loss) Per Share
Deferred Tax Assets, Operating Loss Carryforwards, Foreign
Foreign net operating loss carryforwards
Corporate Debt Securities [Member]
Corporate bonds
Income Tax Jurisdiction [Domain]
Debt Securities, Available-for-Sale [Table]
Debt Securities, Available-for-sale [Table]
Entity Interactive Data Current
Entity Interactive Data Current
Schedule of Income Tax Paid [Table Text Block]
Schedule of income tax paid.
Schedule of Income Tax Paid
Increase (Decrease) in Contract with Customer, Liability
Deferred revenue
Statement of Income Location, Balance [Domain]
Income Statement Location [Domain]
Income Statement Location [Domain]
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Cash flows from operating activities:
Furniture and Fixtures [Member]
Furniture and fixtures
Repayments of Lines of Credit
Repaid borrowings
Components of Deferred Tax Liabilities [Abstract]
Deferred tax liabilities:
Entity Tax Identification Number
Entity Tax Identification Number
Revenues [Abstract]
Revenue:
Prepaid Taxes
Prepaid income taxes
Long-Term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Debt Instrument, Term
Debt term
John Downing [Member]
John Downing
John Downing [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
NATURE OF BUSINESS
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Effect of exchange rate changes on cash and cash equivalents
Local Phone Number
Local Phone Number
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Net periodic pension cost
Short-Term Lease, Cost
Lease cost under short-term operating leases
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted average common shares outstanding used in computing:
Auditor Opinion [Text Block]
Revenue, Remaining Performance Obligation, Percentage
Revenue, remaining performance obligation, percentage
Weighted Average Number of Shares Outstanding, Basic [Abstract]
Denominator:
Accounting Policies [Abstract]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax
Total revenue
Lessee, Operating Lease, Liability, to be Paid, Year Four
2030
Commercial Paper [Member]
Commercial paper
Commercial paper
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Number of shares available for grant (in shares)
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Unrecognized cost, period for recognition, years
Retirement plan employee's contribution, percentage of match
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent
Entity Emerging Growth Company
Entity Emerging Growth Company
Deferred Tax Liabilities Operating Lease Right Of Use Asset
Deferred Tax Liabilities Operating Lease Right Of Use Asset
Right-of-use assets
Full Value Award [Member]
Full Value Award Member
Full Value Award