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Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Schedule of Effective Tax Rates Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Secured Debt, Term Loan B Secured Debt, Term Loan B [Member] Secured Debt, Term Loan B tock Issued And Options Granted During Period Class B Shares, Value Total tock Issued And Options Granted During Period Class B Shares, Value Total tock Issued And Options Granted During Period Class B Shares, Value Total Proceeds from Sale of Productive Assets Proceeds from Sale of Productive Assets Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Current liabilities: Liabilities, Current [Abstract] Impact from settlement of stock-based awards, net of shares acquired Impact From Settlement of Share-based Awards, Net of Shares Acquired Impact on equity from settlement of share-based awards, net of shares acquired Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Finance lease repayments Finance Lease, Principal Payments Developed technology Developed Technology Rights [Member] Property, plant and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Stock Issued And Options Granted During Period, Value Total Stock Issued And Options Granted During Period Ordinary Shares, Value Total Stock Issued And Options Granted During Period Ordinary Shares, Value Total Investments [Domain] Investments [Domain] Intangible Asset, Finite-Lived, Acquired [Line Items] Intangible Asset, Finite-Lived, Acquired [Line Items] Purchase of noncontrolling interest Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination Entity Address, State or Province Entity Address, State or Province Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Segment Reporting, Long-Lived Asset, Expenditure for Addition Segment Reporting, Long-Lived Asset, Expenditure for Addition Intangible assets, net Net intangible assets Balance at beginning of period, net of accumulated amortization Balance at end of period, net of accumulated amortization1 Net Intangible Asset, Excluding Goodwill, after 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Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Banknotes and Security Products Product [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Inventories, net Inventory, Net [Abstract] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Stock Issued During Period, Shares, Phase 2 Stock Issued During Period, Shares, Phase 2 Stock Issued During Period, Shares, Phase 2 Other (expense) income: Nonoperating Income (Expense) [Abstract] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Stock Issued During Period, Shares, Phase 1 Stock Issued During Period, Shares, Phase 1 Stock Issued During Period, Shares, Phase 1 Maximum borrowing capacity Line of Credit Facility, 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Expenditures Incurred but Not yet Paid Schedule Of Financial Information By Reportable Segment Segment Reporting [Table Text Block] Non-controlling Interest Noncontrolling Interest [Member] 2031 and after Finite-Lived Intangible Assets, Amortization Expense, After Year Four Finite-Lived Intangible Assets, Amortization Expense, After Year Four Related Party, Type [Axis] Related and Nonrelated Parties [Axis] Schedule Of Goodwill By Segment Schedule Of Goodwill By Segment [Table Text Block] Schedule Of Goodwill By Segment Net period other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Schedule Of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Repayments of revolving credit facility Repayment of revolving credit facility Repayments of Lines of Credit Intangible Fair Value Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Long-term debt Total long-term debt Long-Term 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[Abstract] Security Exchange Name Security Exchange Name Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent Treasury stock Treasury Stock, Common, Value Derivative - notional amount interest rate swap Derivative - notional amount interest rate swap Derivative - notional amount interest rate swap Variable Rate Component [Axis] Variable Rate Component [Axis] Variable Rate Component Tax detriment Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Credit Agreement Credit Agreement [Member] Credit Agreement Current lease liabilities Operating Lease, Liability, Current Accrued interest Interest Payable, Current Share Deposit Liability, Noncurrent Share Deposit Liability, Noncurrent Share Deposit Liability, Noncurrent Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings per share: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net Sales Disaggregated by Product Line Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Table Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Intangibles with indefinite useful lives Intangible Asset, Excluding Goodwill, Indefinite-Lived Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] U.S. and foreign taxes on income Accrued Income Taxes, Current Company Selected Measure Name Company Selected Measure Name Amounts reclassified from accumulated other comprehensive income Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Fair Value Measurements Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Pension and Postretirement Benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Credit Facility [Domain] Credit Facility [Domain] Related Party Transactions [Abstract] Operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Average diluted shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Backlog Order or Production Backlog [Member] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Accrued pension and postretirement benefits Liability, Defined Benefit Plan, Noncurrent Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Net assets acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Line of Credit Facility [Table] Line of Credit Facility [Table] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Proceeds from revolving credit facility Proceeds from Lines of Credit ncome Tax Effect, Organisation for Economic Co-operation and Development (OECD), Pillar Two ncome Tax Effect, Organisation for Economic Co-operation and Development (OECD), Pillar Two ncome Tax Effect, Organisation for Economic Co-operation and Development (OECD), Pillar Two Performance-based restricted share units Deferred Compensation Share-Based Arrangements, Liability, Classified, Noncurrent Short-term borrowings Total short-term borrowings Short-Term Debt Amounts contributed during the six months ended June 30, 2026 Defined Benefit Plan, Plan Assets, Contributions by Employer Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Other Other Intangible Assets [Member] Award Timing Predetermined Award Timing Predetermined [Flag] Current restricted cash Restricted Cash, Current Capital expenditures Payments for Capital Improvements Treasury Stock Treasury Stock, Common [Member] Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Severance Costs Severance Costs Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Effective Tax Rate Effective Income Tax Rate Reconciliation, Percent Additions (see Note 2) Finite and Indefinite-lived intangible assets acquired Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life or definite life, from an acquisition. Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Effect of dilutive share-based awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Components of other comprehensive (loss) income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Preferred shares, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Total debt, estimated fair value Long-Term Debt, Fair Value Components of Net Periodic Benefit Schedule of Net Benefit Costs [Table Text Block] Redeemable Noncontrolling Interest, Equity, Carrying Amount Redeemable Noncontrolling Interest, Equity, Carrying Amount proceeds from issuance of debt face amount proceeds from issuance of debt face amount proceeds from issuance of debt face amount Computation of Basic and Diluted Earnings per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Results Segment Reporting [Text Block] Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Expiration Date Trading Arrangement Expiration Date Effect of exchange rates on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Average shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total equity Balance, beginning of period Balance, end of period Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Share data: Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Business Combination [Line Items] Business Combination [Line Items] Net periodic expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Weighted  Average Amortization Period of Finite Lived Assets (in years) Intangible Asset, Finite-Lived, Useful Life Accounts receivable, net Business Combination, Recognized Asset Acquired, Receivable, Current Changes In Equity And Comprehensive Income [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Exercise Price Award Exercise Price Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Remeasurement, Gain Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Remeasurement, Gain Investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Segment Reporting [Line Items] Segment Reporting [Line Items] Pro forma net income Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Document Quarterly Report Document Quarterly Report 2024 Restructuring 2024 Repositioning Actions [Member] 2024 Repositioning Actions Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Finite-Lived and Indefinite-Lived Intangible Assets [Roll Forward] Finite-Lived and Indefinite-Lived Intangible Assets [Roll Forward] Finite-Lived and Indefinite-Lived Intangible Assets Segment [Domain] Segments [Domain] Segments [Domain] Financing Debt Disclosure [Text Block] Debt discounts and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Other deferred financing costs associated with credit facilities Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Balance as of December 31, 20251 Balance as of June 30, 20261 Restructuring Reserve Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Term Facility Secured Debt [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Adoption Date Trading Arrangement Adoption Date Debt instrument, interest rate Debt Instrument, Interest Rate, Stated Percentage Capital Support Agreement Capital Support Agreement [Member] Cash dividends Dividends, Common Stock, Cash Total shareholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Total other expense, net Nonoperating Income (Expense) Settlement gain Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Other non-current assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Fair value of nonredeemable noncontrolling interest Business Combination Fair Value of Noncontrolling Interest Business Combination Fair Value of Noncontrolling Interest Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Stock options exercised, net of shares reacquired (in shares) Exercise of Stock Options, Net of Shares Reacquired Exercise of Stock Options, Net of Shares Reacquired Insider Trading Policies and Procedures [Line Items] Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Deferred income taxes Deferred Income Tax Expense (Benefit) Selling, general and administrative Selling, general and administrative expenses Selling, General and Administrative Expense Repayment of term loan Repayments of Debt Expected contributions in 2026 Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year Interest Rate Swap Interest Rate Fair Value Hedge Derivative at Fair Value, Net Business Combination [Domain] Business Combination [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Average options excluded from computation of diluted earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Changes to Goodwill Goodwill [Table Text Block] Entity Central Index Key Entity Central Index Key Less: accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization All Adjustments to Compensation All Adjustments to Compensation [Member] Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Other Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Total provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Equity: Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Cumulative Restructuring Charges Cumulative Restructuring Charges Cumulative Restructuring Charges Restructuring Plan [Domain] Restructuring Plan [Domain] Long-term deferred tax assets Deferred Income Tax Assets, Net Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Intangible Asset, Finite-Lived, Acquired [Table] Intangible Asset, Finite-Lived, Acquired [Table] Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Other current assets Business Combination, Recognized Asset Acquired, Other Asset, Current City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Accumulated Other Comprehensive Loss Total AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Dividends paid Payments of Dividends Name Forgone Recovery, Individual Name Finished goods Inventory, Finished Goods, Net of Reserves Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total assets Assets Assets Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Entity [Domain] Entity [Domain] Stock-Based Compensation Expense Future Services Stock-Based Compensation Expense Future Services Stock-Based Compensation Expense Future Services Employee Benefits and Share-Based Compensation Employee Benefits and Share-Based Compensation Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Operating Segments Operating Segments [Member] De La Rue Authentication Solutions De La Rue Authentication Solutions [Member] De La Rue Authentication Solutions Interest expense Interest Expense, Nonoperating Total assumed liabilities Business Combination, Recognized Liability Assumed, Liability Other comprehensive loss before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Other current assets Increase (Decrease) in Other Operating Assets PEO PEO [Member] Other liabilities Other Liabilities, Noncurrent Goodwill Beginning balance Ending balance Goodwill Retirement Plan Type [Axis] Retirement Plan Type [Axis] Inventories, net Business Combination, Recognized Asset Acquired, Inventory, Current Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Additions (see Note 2) Goodwill, Acquired During Period Revenue recognized related to contract liabilities Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Revolving Facility Revolving Credit Facility [Member] Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Debt issuance costs Payments of Debt Issuance Costs Diluted (in dollars per share) Earnings per diluted share (in dollars per share) Earnings Per Share, Diluted Changes In Equity And Comprehensive Income [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Total provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Cash used for operating working capital Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital Amortization expense Intangible Asset, Finite-Lived, Amortization Expense Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Business Combination Business Combination [Table Text Block] Supplemental Pro Forma Data Business Combination, Pro Forma Information [Table Text Block] Adjustments to reconcile net income to net cash flows provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Total assets acquired Business Combination, Recognized Asset Acquired, Asset Financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property, plant and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Net sales Net sales Revenue from Contract with Customer, Excluding Assessed Tax 4.20% notes due March 2048 4.20% Notes Due March 2048 [Member] 4.20% Notes Due March 2048 Interest cost Defined Benefit Plan, Interest Cost Derivative receivable Derivative Asset Long-term contract liabilities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Long -term assets and liabilities item Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Long term contract liabilities item Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Goodwill and Intangible Assets Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Gross Asset Intangible Asset, Excluding Goodwill, before Accumulated Amortization Revenue Revenue from Contract with Customer [Text Block] Secured Debt, Term Loan A Secured Debt, Term Loan A [Member] Secured Debt, Term Loan A Inventories Increase (Decrease) in Inventories Segment Reporting [Table] Segment Reporting [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating profit Operating profit Operating Income (Loss) Authentication Products and Solutions Service [Member] Remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Proceeds from term loan Proceeds from Issuance of Debt Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Related Party Transaction [Domain] Related Party Transaction [Domain] Acquisitions Business Combination [Text Block] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Customer Relationships and Production Backlog [Member] Customer Relationships and Production Backlog [Member] Customer Relationships and Production Backlog Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Service cost Defined Benefit Plan, Service Cost Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common shares issued (in shares) Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Less: Common shares held in treasury (in shares) Treasury Stock, Common, Shares Redeemable noncontrolling interest adjustment Adjustments to Additional Paid In Capital, Redeemable Noncontrolling Interest, Adjustment Adjustments to Additional Paid In Capital, Redeemable Noncontrolling Interest, Adjustment Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Related Party Related Party [Member] Income taxes paid, net Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Equity Method Investment Purchase, Consideration Transferred Phase 2 Equity Method Investment Purchase, Consideration Transferred Phase 2 Equity Method Investment Purchase, Consideration Transferred Phase 2 Net Income (Loss) Attributable to Noncontrolling Interest Net Income (Loss) Attributable to Noncontrolling Interest Equity Method Investment Purchase, Consideration Transferred [Abstract] Equity Method Investment Purchase, Consideration Transferred Phase 1 Equity Method Investment Purchase, Consideration Transferred Phase 1 Long-term deferred tax liability Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive income attributable to common shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Weighted Average Life (in years) Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Subsequent Events [Abstract] Subsequent Events [Abstract] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Changes in pension and postretirement plan assets and benefit obligation, net of tax Changes in pension and postretirement plan assets and benefit obligation, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Other Assets, Noncurrent Document Type Document Type Proceeds from disposition of assets Amount paid, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Accrued liabilities Total Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Schedule of Goodwill [Table] Goodwill [Table] Variable rate term loan borrowings a & b Variable rate term loan borrowings a & b Variable rate term loan borrowings a & b Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Cost of operations Operating Costs and Expenses Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Contract with Customer, Liability, Noncurrent Contract with Customer, Liability, Noncurrent Postretirement Other Postretirement Benefits Plan [Member] Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 11) Commitments and Contingencies Cost Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Income (Loss) from Equity Method Investments Income from equity investments Income (Loss) from Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Goodwill [Roll Forward] Goodwill [Roll Forward] Liabilities and equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Trade names Trade Names [Member] Inventories, net: Inventory, Net All Award Types Award Type [Domain] 6.55% notes due November 2036 6.55% Notes Due November 2036 [Member] 6.55% Notes Due November 2036 DTT Security and Authentication Technologies [Member] Security and Authentication Technologies Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Warranty Standard and Extended Product Warranty Accrual Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Accrued liabilities Increase (Decrease) in Accrued Liabilities Short-term borrowings Other Short-Term Borrowings Contract liabilities Contract with Customer, Liability Other segment items Segment Reporting, Other Segment Item, Amount Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Total assets acquired Business Combination, Recognized Asset Acquired, Asset [Abstract] Business Combination, Intangible Asset, Acquired, Finite-Lived and Indefinite-Lived Business Combination, Intangible Asset, Acquired, Finite-Lived and Indefinite-Lived [Table Text Block] Cash, cash equivalents and restricted cash at beginning of period2 Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Other Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Settlement of forward contracts Payments for Derivative Instrument, Investing Activities 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] Non-NEOs Non-NEOs [Member] 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] Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Other liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Equity Method Investment, Ownership Percentage Equity Method Investment, Ownership Percentage Cash contributions received Payments to Acquire Businesses, Gross Spinoff Spinoff [Member] Stock-based compensation expense1 Share-Based Payment Arrangement, Noncash Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Liability-classified stock-based compensation award remeasurement benefit Liability-classified stock-based compensation award remeasurement benefit Liability-classified stock-based compensation award remeasurement benefit Components Of Debt Schedule of Debt [Table Text Block] Investment, Name [Domain] Investment, Name [Domain] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings per basic share (in dollars per share) Earnings Per Share, Basic Intellectual property rights Intellectual Property [Member] Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net of allowance for credit losses of $11.2 as of June 30, 2026 and $8.9 as of December 31, 2025 Net outstanding receivables Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Product and Service [Axis] Product and Service [Axis] Noncurrent restricted cash Restricted Cash, Noncurrent 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] Services Authentication Products and Solutions [Member] Authentication Products and Solutions Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Pension Plan [Member] Pension Plan [Member] Common Shares Issued at Par Value Common Stock [Member] Contingent Liability Business Combination, Contingent Consideration, Liability Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Stock Issued And Options Granted During Period, Value Stock Issued And Options Granted During Period, Value Phase 1 Stock Issued And Options Granted During Period, Value Phase 1 Currency translation and other Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total liabilities, redeemable noncontrolling interests, and equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Nonredeemable noncontrolling interests Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Fair value of previously held equity investment Fair Value of Previously Held Equity Investment Fair Value of Previously Held Equity Investment Related Party, Type [Domain] Related and Nonrelated Parties [Domain] Restructuring charges Restructuring charges Expense Restructuring Charges Detection and Inspection Products and Solutions Banknotes and Security Products [Member] Banknotes and Security Products Tabular List, Table Tabular List [Table Text Block] Capital surplus Additional Paid in Capital Other Long-Term Debt Other Long-Term Debt Miscellaneous (expense) income, net Other Nonoperating Income (Expense) Total Share- holders’ Equity Parent [Member] 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Remainder of 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] the credit facility the credit facility [Member] the credit facility Property, plant and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization [Abstract] Sale of Stock, Price Per Share Sale of Stock, Price Per Share Expected Contributions to Pension and Postretirement Plans Schedule of Defined Benefit Plans Disclosures [Table Text Block] Preferred shares, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred shares, par value $0.01; 5,000,000 shares authorized Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] U.S. and foreign taxes on income Prepaid Taxes Credit Facility [Axis] Credit Facility [Axis] Restructuring Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Utilization Restructuring Reserve, Settled without Cash Accounts payable Net outstanding payables Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total consideration of Antares Vision acquisition Business Combination, Consideration Transferred Retirement Plan Type [Domain] Retirement Plan Type [Domain] Capital Surplus Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Currency translation and other Finite-Lived and Indefinite-Lived Intangible Assets, Foreign Currency Translation Gain (Loss) Finite-Lived and Indefinite-Lived Intangible Assets, Foreign Currency Translation Gain (Loss) Repayment of short-term debt Repayments of Short-Term Debt Repayments of Short-Term Debt Finished parts and subassemblies Other Inventory, Net of Reserves Name Trading Arrangement, Individual Name De La Rue Authentication Solutions Antares Vision Assumed Debt [Member] Antares Vision Assumed Debt Cash and cash equivalents Cash and Cash Equivalent Raw materials Inventory, Raw Materials, Net of Reserves Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Net income before allocation to noncontrolling interest Net income before allocation to noncontrolling interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Operating profit (loss) Antares Vision Group Operating profit (loss) Antares Vision Group Operating profit (loss) Antares Vision Group Current assets: Assets, Current [Abstract] Derivative liability Derivative Liability Pro forma net sales Business Combination, Pro Forma Information, Pro Forma Revenue Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Provision for income taxes Income Tax Expense (Benefit) Noncontrolling interest of acquired entity Noncontrolling Interest, Increase (Decrease) From Sale of Parent Equity Interest Noncontrolling Interest, Increase (Decrease) From Sale of Parent Equity Interest Cost of sales Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Engineering Expense Engineering Expense Engineering Expense (Decrease) increase in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Amortization of net loss (gain) Defined Benefit Plan, Amortization of Gain (Loss) Defined Benefit Plan, Amortization of Gain (Loss) AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Net income attributable to common shareholders Net income before allocation to noncontrolling interest Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from stock options exercised Proceeds from Stock Options Exercised Classification Of Accumulated Other Comprehensive Income Reflected On Consolidated Balance Sheets Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Cash consideration transferred to acquire control Business Combination Cash Consideration Transferred Business Combination Cash Consideration Transferred Total assumed liabilities Business Combination, Recognized Liability Assumed, Liability [Abstract] Net Contract Assets and Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Variable Rate Component [Domain] Variable Rate Component [Domain] Variable Rate Component [Domain] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Revenue from contracts with customers - Antares Vision Group Revenue from contracts with customers - Antares Vision Group Revenue from contracts with customers - Antares Vision Group Accrued Liabilities [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]