Accrued and unfunded compensation and employee benefits Deferred Tax Assets Accrued And Unfunded Compensation And Employee Benefits Deferred Tax Assets, Accrued and unfunded compensation and employee benefits. Option Indexed to Issuer's Equity, Type Option Indexed to Issuer's Equity, Type [Axis] Right-of-use assets Deferred Tax Liabilities Right Of Use Asset Deferred tax liabilities right of use asset Deferred Revenue Arrangement By Type [Table] Deferred Revenue Arrangement, by Type [Table] 2027 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Percentage of employees contribution Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate Adjustments to reconcile net earnings to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Interest expense limitation Deferred Tax Asset, Interest Carryforward Shares Under Option, Ending unvested and expected to vest (in shares) Share Based Compensation Arrangement By Share Based Payment Award Options Non Vested And Expected To Vest Number Of Shares Share Based Compensation Arrangement by Share Based Payment Award Options Non Vested and Expected To Vest, Number of Shares U.S. federal statutory income tax Federal statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Collateral Held Collateral Held [Domain] Employee Employed By AssuredPartners Employee Employed By AssuredPartners [Member] Employee Employed By AssuredPartners Work in process Asset under Construction [Member] Exercise Prices Range $ 86.17 - $ 86.17 Range03 [Member] Range 03 [Member] Cover Cover [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Net (decrease) increase in cash, cash equivalents, restricted cash and fiduciary cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Measurement Input, Discount Rate Measurement Input, Discount Rate [Member] Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Foreign Retirement Plans Foreign Plan [Member] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Litigation Legal Costs, Policy [Policy Text Block] Trading Symbol Trading Symbol Ownership interest Equity Method Investment, Ownership Percentage Comprehensive earnings Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Amount of Commitment Expiration by Period - 2027 Amount Of Commitment Expiration Off Balance Sheet Commitments Within Year Two Amount of Commitment Expiration Off-Balance Sheet Commitments Within Year Two Non-NEOs Non-NEOs [Member] Employee Stock Ownership Plan (ESOP), Plan Employee Stock Ownership Plan (ESOP), Plan [Domain] Stock Option Plans [Line Items] Stock Option Plans [Line Items] Stock Option Plans [Line Items] Dividends declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared 2028 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Weighted average expected long-term rate of return on plan assets, pension benefit obligation Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Expected Long Term Return On Plan Assets Defined benefit plan, assumptions used calculating benefit obligation, expected long-term return on plan assets Full Value Awards Up To The Limit Full Value Awards Up To The Limit [Member] Full Value Awards Up To The Limit Net change in fair value of derivative instruments, tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Net change in accounts receivable, net Increase (Decrease) in Accounts Receivable Semi-annual payments of interest, fixed rate of 4.31%, balloon due June 24, 2025 Fixed Rate Of Four Point Three One Percent Balloon Due June Twenty Four Two Thousand Twenty Five [Member] Fixed rate of four point three one percent, balloon due June twenty four, two thousand twenty five. Earnings per Share Earnings Per Share, Policy [Policy Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Award Timing Disclosures [Line Items] Reconciliation of Beginning and Ending Balances for Level 3 Assets of Plan Measured at Fair Value Schedule of Changes in Fair Value of Plan Assets [Table Text Block] Investment, Name Investment, Name [Domain] Provision for income taxes: Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract] Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Table] Share-Based Payment Arrangement, Option, Exercise Price Range [Table] Attrition rate Fair Value Inputs Attrition Rate Fair Value Inputs, Attrition Rate 2024 Acquisitions Two Thousand Twenty Four Acquisitions [Member] Two thousand twenty three acquisitions. Retirement benefits, required employment period Retirement Benefits, Required Employment Period Retirement Benefits, Required Employment Period BROKERAGE SEGMENT and RISK MANAGEMENT SEGMENT Segment Reporting, Policy [Policy Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Deferred income tax credit carryforwards Deferred tax credits Deferred Tax Assets, Tax Credit Carryforwards SEC Schedule, 12-09, Valuation Allowances and Reserves Type SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Plan Name Plan Name [Domain] United States UNITED STATES Shares issued to benefit plans Stock Issued During Period, Value, Employee Benefit Plan Other noncurrent assets Other Assets, Noncurrent Leases [Abstract] Leases [Abstract] Settlements Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Decrease for Settlement Total intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested Income Tax Expense Benefit [Line Items] Income Tax Expense Benefit [Line Items] Income Tax Expense Benefit [Line Items] Amortizable intangible assets, gross Finite-Lived Intangible Assets, Gross % of Pretax Earnings Effective Income Tax Rate Reconciliation, Percent [Abstract] Shares issued to benefit plans (in shares) Stock Issued During Period, Shares, Employee Benefit Plan Total intrinsic value of options exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercised In Period Intrinsic Value Share-based compensation arrangement by share based payment award options exercised in period intrinsic value. Operating Segments Operating Segments [Member] Semi-annual payments of interest, fixed rate of 4.60%, balloon due December 15, 2027 Fixed Rate Of Four Point Six Zero Percent Balloon Due December fifteen Two Thousand Twenty Seven [Member] Fixed Rate Of Four Point Six Zero Percent Balloon Due December fifteen Two Thousand Twenty Seven. Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Ultimate award value, multiples of original value of the units, maximum Ultimate Award Value Multiples Of Original Value Of Units Maximum Ultimate Award Value Multiples of Original Value of Units, Maximum Schedule of Accumulated Other Comprehensive Loss Attributable to Controlling Interests Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Depreciable fixed assets Deferred Tax Assets, Property, Plant and Equipment Cash and cash equivalents - non-restricted cash Cash And Cash Equivalents Excluding Restricted Cash Cash and cash equivalents excluding restricted cash. Award Timing Method Award Timing Method [Text Block] Net periodic benefit income (cost) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Office equipment Office Equipment [Member] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Components of Earnings Before Income Taxes and Provision for Income Taxes Components Of Earnings From Continuing Operations Before Income Taxes And Provision For Income Taxes [Table Text Block] Components of earnings from continuing operations before income taxes and the provision for income taxes Payments on acquisition earnouts Earnout Payments For Acquisitions Earnout payments for acquisitions. Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Semi-annual payments of interest, fixed rate of 6.50%, balloon due February 15, 2034 Fixed Rate of Six Point Five Zero Percent Balloon Due February Fifteen Two Thousand Thirty Four [Member] Fixed rate of six point five zero percent balloon due February fifteen two thousand thirty four. Insider Trading Policies and Procedures [Line Items] Deferred compensation and restricted stock Stock Issued During Period Value Deferred Compensation And Restricted Stock Expense Benefit Stock issued during period, value, deferred compensation and restricted stock expense benefit. A U D Denominated Tranche A U D Denominated Tranche [Member] AUD Denominated Tranche. Use of Estimates Use of Estimates, Policy [Policy Text Block] Purchase price of common stock, percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Offering Date Adjustment to Compensation, Amount Adjustment to Compensation Amount Noncurrent assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets Capital in excess of par value Additional Paid in Capital, Common Stock Compensation Amount Outstanding Recovery Compensation Amount Total debt obligations Debt Obligation [Member] Debt Obligation [Member] 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] Entity Small Business Entity Small Business Company Selected Measure Amount Company Selected Measure Amount Capital loss carryforwards Deferred Tax Assets, Capital Loss Carryforwards Maximum term of credit risk derivatives Maximum Term of Credit Risk Derivatives Facility B Facility B [Member] Facility B [Member] Aggregate fair market value of shares purchased Share Based Compensation Arrangement By Share Based Payment Award Aggregate Fair Market Value Share-Based Compensation Arrangement By Share-Based Payment Award, Aggregate Fair Market Value. Tabular List, Table Tabular List [Table Text Block] Additional percentage of eligible compensation for matching contributions by employer Defined Benefit Plan Additional Percentage Of Eligible Compensation For Matching Contributions By Employer Defined benefit plan, additional percentage of eligible compensation for matching contributions by employer Dolphin TopCo, Inc., the holding company of AssuredPartners, Inc., August 18, 2025 (APG) AssuredPartners Group LP [Member] AssuredPartners Group LP Level 3 Fair Value, Inputs, Level 3 [Member] Distributions from the sub-plans Proceeds From Sub Plan Proceeds From Sub Plan Weighted average expected long-term rate of return on plan assets, net periodic pension benefit cost Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets Anti-dilutive stock-based awards shares outstanding (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Other prepaid items Deferred Tax Liabilities Other Prepaid Items Deferred tax liabilities, other prepaid items Unrealized gain Defined Benefit Plans Unrealized Gains Losses Defined benefit plans, unrealized gains losses Summary of Expected Revenue Related to Performance Obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Fixed Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Credit Facility Credit Facility [Domain] Goodwill - net Total goodwill - net Beginning Balance Ending Balance Goodwill Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss Unearned deferred compensation, shares (in shares) Unearned Deferred Compensation Share Unearned Deferred Compensation, Shares Audit Information [Abstract] Audit Information Income (loss) from branches / disregarded entities Effective Income Tax Rate Reconciliation, Branches And Disregarded Entities, Amount Effective Income Tax Rate Reconciliation, Branches And Disregarded Entities, Amount Employee Stock Option Share-Based Payment Arrangement, Option [Member] Depreciation Depreciation 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Comprehensive earnings attributable to controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total Recorded Purchase Price Business Acquisition Cost Of Acquired Entity Purchase Price Net Business Acquisition Cost Of Acquired Entity Purchase Price Net Real estate Employee Benefit Plan, Real Estate [Member] Cash-based compensation awards, expenses Cash Based Compensation Award Expenses Cash based compensation award, expenses Repayments on line of credit facility Repayments of Lines of Credit Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Exercise Prices Range $ 238.88 - $ 243.54 Range08 [Member] Range 08. Semi-annual payments of interest, fixed rate of 4.09%, balloon due August 2, 2027 Fixed Rate Of Four Point Zero Nine Percent Balloon Due August Two Two Thousand Twenty Seven [Member] Fixed rate of four point zero nine percent, balloon due August two, two thousand twenty seven. Award Type Award Type Award Type [Axis] Deferred tax liabilities Total deferred tax liabilities Deferred Tax Liabilities, Net Other Information Regarding Stock Options Outstanding and Exercisable Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Fixed assets - net Net fixed assets Property, Plant and Equipment, Net Change in estimated acquisition earnout payables Change In Estimated Acquisition Earnout Payables Change in estimated acquisition earnout payables ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Merger of the Buck U.S. pension plan Defined Benefit Plan, Benefit Obligation, Business Combination Total liabilities Long-term debt Liabilities Premium financing, number of subsidiaries Premium Financing, Number Of Subsidiaries Premium Financing, Number Of Subsidiaries Stockholders' equity attributable to noncontrolling interests Equity, Attributable to Noncontrolling Interest Total foreign Foreign Tax Jurisdiction, Other [Member] Premium Financing Debt Facility Premium Financing Debt Facility [Member] Premium Financing Debt Facility [Member] Summary of Cash, Cash Equivalents, Restricted Cash and Fiduciary Cash Schedule of Cash and Cash Equivalents [Table Text Block] Weighted Average Exercise Price, Exercisable at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Unearned deferred compensation, value Unearned Deferred Compensation Value Unearned Deferred Compensation, Value Revolving Credit Facility Revolving Credit Facility [Member] Expiration Date Trading Arrangement Expiration Date Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Other current lease liabilities Operating Lease, Liability, Current Total Shareholder Return Amount Total Shareholder Return Amount Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Qualified Contributory Savings and Thrift 401(k) Plan Qualified Contributory Savings And Thrift Four Zero One K Plan [Member] Qualified contributory savings and thrift 401(K) plan. Summary of Unaudited Pro Forma Historical Results Schedule Of Business Acquisition Pro Forma [Table Text Block] Schedule Of Business Acquisition, Pro Forma [Text Block] Changes in unrecognized tax benefits Income Tax Reconciliation Changes In Unrecognized Tax Benefits Related To Resolution Of Federal And State Audits Expiration Of Various Statutes Of Limitations And Other Items Income tax reconciliation, Changes in unrecognized tax benefits related to resolution of Federal and state audits, expiration of various statutes of limitations and other items. Aggregate amount of maximum earnout obligations related to acquisitions, recorded in consolidated balance sheet Business Combination Aggregate Earnout Obligation Recorded Maximum Business Combination Aggregate Earnout Obligation Recorded Maximum Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross Stock option plans (in shares) Shares Under Option, Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Loss (1) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Settlement Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Minimum exercise price of stock options, percent of fair market value of a share of common stock on the date of grant Exercise Price Of Stock Options Percent Of Fair Market Value Of Share Of Common Stock On Date Of Grant Exercise Price Of Stock Options Percent Of Fair Market Value Of Share Of Common Stock On Date Of Grant. Debt Instrument [Line Items] Debt Instrument [Line Items] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Lapse in statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Reimbursements Revenue From Contract With Customer Excluding Assessed Tax Reimbursements Revenue from contract with customer excluding assessed tax reimbursements. MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Proceeds from AssuredPartners financing Proceeds From AssuredPartners Financing Proceeds from assuredPartners financing. Stockholders' equity attributable to controlling interests Equity, Attributable to Parent Total deferred tax assets Deferred Tax Assets, Gross Cash borrowed from senior notes Proceeds from Issuance of Debt Business Combinations [Abstract] Business Combinations [Abstract] Semi-annual payments of interest, fixed rate of 5.04%, balloon due February 13, 2029 Fixed Rates Of Five Point Zero Four Percentage Balloon Due February Thirteen Two Thousand Twenty Nine [Member] Fixed rates of five point zero four percentage balloon due February thirteen two thousand twenty nine. Changes in Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Accumulated amortization of expiration lists, non-compete agreements and trade names Accumulated Amortization Of Expiration Lists Non Compete Agreements And Trade Names [Member] Accumulated amortization of expiration lists, non-compete agreements and trade names. Category of Item Purchased Category of Item Purchased [Axis] Contribution expense to plan Defined Contribution Plan, Cost Nature of Operations Nature Of Operation [Policy Text Block] Nature Of Operation Letters of credit Letters Of Credit [Member] Letters Of Credit [Member] Sale of Stock Sale of Stock [Domain] Shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Foreign currency translation, net of taxes Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Document Fiscal Period Focus Document Fiscal Period Focus All Executive Categories All Executive Categories [Member] Dilutive effect of stock options using the treasury stock method (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Balance Sheet Location Statement of Financial Position Location, Balance [Domain] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Weighted Average Remaining Contractual Term (in years), Ending balance Option Outstanding, Weighted Average Remaining Contractual Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Retirement Plan Type Retirement Plan Type [Domain] Net change in period Other Comprehensive Income (Loss), Net of Tax Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Document Type Document Type Derivative Contract Derivative Contract [Domain] Annual fee percentage Line of Credit Facility, Commitment Fee Percentage Net actuarial loss (gain) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Schedule of Segment Reporting Information by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Business Acquisition Actual Revenue And Pre Tax Income Loss [Table] Business Acquisition Actual Revenue And Pre Tax Income Loss [Table] Business Acquisition Actual Revenue And Pre Tax Income Loss [Table] Cash, cash equivalents, restricted cash and fiduciary cash at beginning of year Cash, cash equivalents, restricted cash and fiduciary cash at end of year Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Common Stock Options Restricted Stock Warrants And Changes In Capitalization [Table] Common Stock Options Restricted Stock Warrants And Changes In Capitalization [Table] Common Stock Options Restricted Stock Warrants And Changes In Capitalization [Table] Weighted Average Remaining Contractual Term (in years), Exercisable at end of year Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Recorded Unconditional Purchase Obligation by Category of Item Purchased Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Schedule Of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Accrued compensation and other current liabilities Accrued Compensation And Other Current Liabilities [Member] Accrued compensation and other current liabilities [Member] Summary of Unbilled Receivables, Contract Assets and Contract Liabilities from Contracts with Customers Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Depreciation and amortization Depreciation, Amortization and Accretion, Net Maximum Potential Earnout Payable Maximum Potential Earnout Payable Maximum Potential Earnout Payable Semi-annual payments of interest, fixed rate of 4.09%, balloon due January 30, 2032 Fixed Rate Of Four Point Zero Nine Percent Balloon Due January Thirty Two Thousand Thirty Two [Member] Fixed Rate Of Four Point Zero Nine Percent Balloon Due January Thirty Two Thousand Thirty Two [Member] Maximum Maximum [Member] Option Outstanding, Number Outstanding (in shares) Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Furniture and fixtures Furniture and Fixtures [Member] Amortizable intangible assets - net Net amortizable assets Finite-Lived Intangible Assets, Net State and local: State and Local Income Tax Expense (Benefit), Continuing Operations [Abstract] Allowances for estimated policy cancellations Allowances For Estimated Policy Cancellations Allowances for Estimated Policy Cancellations. Income Tax Expense Benefit [Table] Income Tax Expense Benefit [Table] Income Tax Expense Benefit [Table] Black-Scholes Option Pricing Model with Weighted Average Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Dividend income Investment Income, Dividend Up to $2.0 Million Up To Two Million [Member] Up To Two Million Total net lease expense Lease, Cost Statistical Measurement Statistical Measurement [Axis] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Payments to noncontrolling interests Payments to Noncontrolling Interests Total earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Grantee Status [Domain] Grantee Status [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Percentage of commission and fee revenues in the first three months Percentage Of Commissions And Fee Revenues Recognized In First Three Months Of Insurance Contract Percentage of Commissions and fee revenues recognized in the first three months of the underlying insurance contract. Depreciable fixed assets Deferred Tax Liabilities, Property, Plant and Equipment Name Outstanding Recovery, Individual Name Contractual Obligations, Payments Receivable by Period, Total Recorded Unconditional Purchase Obligation Receivable Recorded unconditional purchase obligation receivable. Variable lease expense Variable Lease, Cost Title of Individual Title and Position [Axis] Trade names Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Trade Names Business combination, recognized identifiable assets acquired and liabilities assumed, intangible assets, trade names. Tax credits Alternative energy and other tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount Unconsolidated Investments in Enterprises Unconsolidated Investments In Enterprises [Member] Unconsolidated investments in enterprises. Award Timing Predetermined Award Timing Predetermined [Flag] Dividends paid Payments of Ordinary Dividends, Common Stock Investment, Name Investment, Name [Axis] Series HH note Series HH Note [Member] Series HH note. Semi-annual payments of interest, fixed rate of 3.99%, balloon due January 30, 2030 Fixed Rate Of Three Point Nine Nine Percent Balloon Due January Thirty Two Thousand Thirty [Member] Fixed Rate Of Three Point Nine Nine Percent Balloon Due January Thirty Two Thousand Thirty [Member] Forecast Forecast [Member] Diluted net earnings per share (in dollars per share) Earnings Per Share, Diluted Stock Option Plans Stock Option Plans [Text Block] Stock Option Plans Text Block Estimated Aggregate Amortization Expense Finite-Lived Intangible Assets Amortization Expense [Table Text Block] State State and Local Jurisdiction [Member] United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Net change in deferred revenue Increase (Decrease) in Contract with Customer, Liability Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Intangible Assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Matching contributions by employer, percentage Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Net foreign exchange gain (loss) Gain (Loss), Foreign Currency Transaction, before Tax NZD denominated tranche, interbank rates plus 0.990% Inter bank Rate Plus Zero Point Nine Nine Zero Percent Expires October Thirty One Two Thousand Twenty Seven [Member] Inter bank Rate Plus Zero Point Nine Nine Zero Percent Expires October Thirty One Two Thousand Twenty Seven Aggregate amount of earnout obligation expected settlement in cash Business Combination Aggregate Earnout Obligation Expected Settlement In Cash Business combination aggregate earnout obligation expected settlement in cash. Full Value Awards In Excess Of The Limit Full Value Awards In Excess Of The Limit [Member] Full Value Awards In Excess Of The Limit Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Semi-annual payments of interest, fixed rate of 4.19%, balloon due August 2, 2029 Fixed Rate Of Four Point One Nine Percent Balloon Due August Two Two Thousand Twenty Nine [Member] Fixed rate of four point one nine percent, balloon due August two, two thousand twenty nine. Note purchase agreements Note Purchase Agreement [Member] Note Purchase Agreement [Member] Other Deferred Tax Liabilities, Other Equity awards with an aggregate fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Net earnings Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Semi-annual payments of interest, fixed rate of 3.05%, balloon due March 9, 2052 Fixed Rate Of Three Point Zero Five Percent Balloon Due March Nine Two Thousand Fifty Two [Member] Fixed rate of three point zero five percent balloon due March twenty two thousand fifty two. Guarantor Obligations, Nature Guarantor Obligations, Nature [Domain] Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Interest cost Interest cost on benefit obligation Defined Benefit Plan, Interest Cost Earnings before income taxes: Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract] Notional Amount Derivative, Notional Amount Fees Broker Fees [Member] Broker Fees [Member] Derivative Assets, Fair Value Derivative Asset Net periodic pension cost: Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Semi-annual payments of interest, fixed rate of 4.69%, balloon due June 13, 2038 Fixed Rate Of Four Point Six Nine Percent Balloon Due June Thirteen Two Thousand Thirty Eight [Member] Fixed rate of four point six nine percent balloon due June thirteen two thousand thirty eight. Contractual Obligations, Payments Due by Period, Total Recorded Unconditional Purchase Obligation Up to $20.0 Million Up To Twenty Million [Member] Up to twenty million. Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Measurement input Alternative Investment, Measurement Input Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] 2017 Long Term Incentive Plan Two Thousand Seventeen Long Termincentive Plan [Member] 2017 Long Term Incentive Plan [Member] Other changes in plan assets and obligations recognized in other comprehensive earnings: Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] Net cash used by investing activities Net Cash Provided by (Used in) Investing Activities Interest Interest Expense, Operating and Nonoperating Cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent [Abstract] Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Semi-annual payments of interest, fixed rate of 4.44%, balloon due June 13, 2030 Fixed Rate Of Four Point Four Four Percent Balloon Due June Thirteen Two Thousand Thirty [Member] Fixed rate of four point four four percent balloon due June thirteen two thousand thirty. Business Acquisition [Line Items] Business Acquisition [Line Items] All Adjustments to Compensation All Adjustments to Compensation [Member] Short-term Debt, Type Short-Term Debt, Type [Domain] Other Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Tax Credit Carryforward Tax Credit Carryforward [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Stock options granted, exercise percentage, year two Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Exercise Percentage Year Two Share based compensation arrangement by share based payment award options grants in period exercise percentage year two. Noncurrent liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities Scenario Scenario [Domain] Remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Fair Value of Derivative Instruments Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Percentage of employer matching contributions on eligible compensation Percentage of eligible compensation for matching contributions by employer Defined Benefit Plan Percentage Of Eligible Compensation For Matching Contributions By Employer Defined benefit plan percentage of eligible compensation for matching contributions by employer. Long-term Debt, Type Long-Term Debt, Type [Domain] Entity Address, State or Province Entity Address, State or Province Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Series H note Series H Note [Member] Series H note. Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Contingent revenues Contingent Revenue [Member] Contingent Revenue [Member] Contractual Obligations Recorded Unconditional Purchase Obligations [Table Text Block] Defined Benefit Plan, Plan Assets, Category Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Amortization of net loss Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Financial Instruments Financial Instruments [Domain] Deferred Costs Deferred Charges, Policy [Policy Text Block] Semi-annual payments of interest, fixed rate of 2.46%, balloon due May 5, 2036 Fixed Rate Of Two Point Four Six Percent Balloon Due May Five Two Thousand Thirty Six [Member] Fixed rate of two point four six percent balloon due May five two thousand thirty six. Vesting Vesting [Domain] Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Restatement Determination Date Restatement Determination Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Interest rate contracts Interest Rate Contract [Member] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Weighted Average Exercise Price, Beginning balance (in dollars per share) Weighted Average Exercise Price, Ending balance (in dollars per share) Option Outstanding, Weighted Average Exercise Price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Right-of-use assets Lease right-of-use assets Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Shares Under Option, Beginning balance (in shares) Shares Under Option, Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Exercise Price Range Exercise Price Range [Domain] Short-term Debt, Type Short-Term Debt, Type [Axis] One year Vesting Period One Year [Member] Vesting Period One Year [Member] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Collateral related to claims funds held in a fiduciary capacity by a recent acquisition - expires 2028 Collateral Related To Claim Funds Held in a Fiduciary Capacity by a Recent Acquisition Expires Two Thousand Twenty Eight [Member] Collateral related to claim funds held in a fiduciary capacity by a recent acquisition expires two thousand twenty eight. California CALIFORNIA Earnings Per Share Earnings Per Share [Text Block] Employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Stock option plans Stock Issued During Period, Value, Stock Options Exercised Net gain on investments and other Gain (Loss) on Investments Income Taxes Income Tax, Policy [Policy Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Segments Segments [Domain] Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Option Exercisable, Weighted Average Exercise Price (in dollars per share) Share-Based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price Executive Officer Executive Officer [Member] Borrowings on line of credit facility Proceeds from Lines of Credit PEO PEO [Member] Name Trading Arrangement, Individual Name Funded status of the plan (underfunded) Funded status of the plan (underfunded) Defined Benefit Plan, Funded (Unfunded) Status of Plan Errors And Omissions Errors And Omissions [Member] Errors and Omissions [Member] Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Accumulated other comprehensive income Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Entity Public Float Entity Public Float Operating lease, remaining lease term Lessee, Operating Lease, Remaining Lease Term Excess tax benefits on share-based payments Stock-based compensation Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent Benefit obligation at beginning of year Benefit obligation at end of year Defined Benefit Plan, Benefit Obligation Call Options Call Option [Member] Semi-annual payments of interest, fixed rate of 4.70%, balloon due June 2, 2031 Fixed Rate Of Four Point Seven Zero Percent Balloon Due June Two Two Thousand Thirty One [Member] Fixed rate of four point seven zero percent, balloon due June two, two thousand thirty one. Fiduciary assets (includes fiduciary cash of $7,142 in 2025 and $5,481 in 2024) Fiduciary assets current Fiduciary assets current. Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Other Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Foreign Exchange [Member] Foreign Exchange [Member] NZD Denominated Tranche Nzd Denominated Tranche [Member] NZD Denominated Tranche [Member] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] 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] Retirement Plan Sponsor Location Retirement Plan Sponsor Location [Domain] Common Stock Options Restricted Stock Warrants And Changes In Capitalization [Line Items] Common Stock Options Restricted Stock Warrants And Changes In Capitalization [Line Items] Common Stock Options Restricted Stock Warrants And Changes In Capitalization [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Local Phone Number Local Phone Number Valuation allowance for deferred tax assets Deferred Tax Assets, Valuation Allowance Net corporate and other debt Debt, Long-Term and Short-Term, Combined Amount Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Operating Operating Expenses Operating cash to fund Operating Cash to Fund Operating cash to fund. Maximum length of time hedged in interest rate cash flow hedge Maximum Length of Time, Foreign Currency Cash Flow Hedge Investments And Employee Deferred Compensation Plan [Line Items] Investments And Employee Deferred Compensation Plan [Line Items] Investments And Employee Deferred Compensation Plan [Line Items] PEO Total Compensation Amount PEO Total Compensation Amount Expiration lists Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Expiration Lists Business combination, recognized identifiable assets acquired and liabilities assumed, intangible assets, expiration lists. Semi-annual payments of interest, fixed rate of 4.34%, balloon due June 13, 2028 Fixed Rate Of Four Point Three Four Percent Balloon Due June Thirteen Two Thousand Twenty Eight [Member] Fixed rate of four point three four percent balloon due June thirteen two thousand twenty eight. Common Shares Issued (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Total cash and cash equivalents, restricted cash and fiduciary cash Cash and Cash Equivalents, Restricted Cash and Fiduciary Cash Cash and cash equivalents, restricted cash and fiduciary cash. Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Income Statement Location Statement of Income Location, Balance [Axis] Defined Benefit Plan, Plan Assets, Category Defined Benefit Plan, Plan Assets, Category [Axis] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Awards approved by committee, value Compensation Approved By Committee Value Compensation approved by committee, value Common Stock Common Stock [Member] Fixed rate over SOFR rate, eurocurrency rate or RFR rate Fixed Rate Over Reference Rates Fixed rate over reference rates. Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Aggregate amount of maximum earnout obligations related to acquisitions Business Combination Aggregate Earnout Obligation Maximum Business Combination ,Aggregate Earnout Obligation, Maximum Schedule Of Business Acquisitions By Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Line of Credit Line of Credit [Member] Officer and Key Employees Officer [Member] Exercise Prices Range $ 177.09 - $ 202.13 Range07 [Member] Range 07 [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] Entity Central Index Key Entity Central Index Key Compensation expense related to stock option plan grants Compensation expense related to stock option grants Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture Scenario Scenario [Axis] Foreign tax credit benefits Effective Income Tax Rate Reconciliation, Foreign Tax Credit From Branches And Disregarded Entities, Amount Effective Income Tax Rate Reconciliation, Foreign Tax Credit From Branches And Disregarded Entities, Amount Accrued interest and penalties related to unrecognized tax benefits Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Foreign Currency Translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Nondeductible executive compensation (IRC 162(m)) Effective Income Tax Rate Reconciliation, Nondeductible Expense, Executive Compensation, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Executive Compensation, Amount Weighted average period, years Weighted Average Period Weighted Average Period NZD denominated tranche, interbank rates plus 1.850% Inter bank Rate Plus One Point Eight Five Zero Percent Expires October Thirty One Two Thousand Twenty Seven [Member] Inter bank Rate Plus One Point Eight Five Zero Percent Expires October Thirty One Two Thousand Twenty Seven Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Corporate Corporate Segment [Member] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Financial Instrument Financial Instrument [Axis] Segment Information Segment Reporting Disclosure [Text Block] Lessee, operating lease, lease not yet commenced, term of contract Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Credit support under letters of credit (LOC) for deductibles due by us on our own insurance coverages - expires 2028 Credit Support Under Letters of Credit for Deductibles Due by Us on Our Own Insurance Coverage's Expires After Two Thousand and Twenty Eight [Member] Credit support under letters of credit for deductibles due by us on our own insurance coverage's expires after two thousand and twenty eight. Land and buildings - corporate headquarters Land and Building [Member] Rent-A-Captive Facility Rent Captive Facility [Member] Rent-a-captive Facility [Member] Settlements on terminated interest rate swaps Payments For Proceeds From Settlements Of Terminated Interest Rate Swaps Payments for (proceeds from) settlements of terminated interest rate swaps. Effect of New Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] 2021 Provisional Cash Awards Two Thousand Twenty One Provisional Cash Awards [Member] Two Thousand Twenty One Provisional Cash Awards Title Trading Arrangement, Individual Title Employee Stock Purchase Plan Employee Stock Ownership Plan (ESOP), Policy [Policy Text Block] Gross unrecognized tax benefits at January 1 Gross unrecognized tax benefits at December 31 Unrecognized Tax Benefits Comprehensive earnings (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest City Area Code City Area Code Auditor Location Auditor Location Accrued liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Change in tax rates Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Less sublease arrangements Sublease Arrangements [Member] Sublease arrangements. Share-based compensation arrangement, conversion ratio to common stock Share-Based Compensation Arrangement, Conversion Ratio to Common Stock Share-Based Compensation Arrangement, Conversion Ratio to Common Stock Periodic payments of interest and principal, expires April 30, 2030 Credit Agreement Expires On April 3, 2030 [Member] Credit Agreement Expires On April 3, 2030 Revenue Recognition Revenue [Policy Text Block] Supplemental revenues Supplemental Revenue [Member] Supplemental revenue. Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Cash and equity awards with aggregate fair value vested and distributed to participants Cash And Equity Award With Aggregate Fair Value Vested And Distributed To Participants Cash and equity award with aggregate fair value vested and distributed to participants. Incremental deferred revenue Contract With Customer Liability Additions Contract with customer, liability, additions. Amount of Commitment Expiration by Period - 2030 Amount Of Commitment Expiration Off Balance Sheet Commitments Within Year Five Amount of Commitment Expiration Off-Balance Sheet Commitments Within Year Five Net proceeds from sales of operations/books of business Net Proceeds From Sales Of Operations Net Proceeds From Sales Of Operations Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Valuation allowance for deferred tax assets SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] Corporate related borrowings - noncurrent Long-Term Debt, Excluding Current Maturities Valuation And Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Change in tax rates Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Summary of Plans Weighted Average Asset Allocations Summary Of Plans Weighted Average Asset Allocations [Table Text Block] Summary of plans weighted average asset allocations Cash paid for acquisitions, net of cash and restricted cash acquired Payments To Acquire Businesses Net Of Cash And Restricted Cash Acquired Payments to acquire businesses, net of cash and restricted cash acquired. Earnings Per Share [Abstract] Earnings Per Share [Abstract] Equity [Abstract] Equity [Abstract] Up to $10.0 Million Up To Ten Million [Member] Up To Ten Million Retained earnings Retained Earnings (Accumulated Deficit) Foreign currency translation adjustments during the year Goodwill, Translation and Measurement Period Adjustments Amount of Commitment Expiration by Period - 2028 Amount Of Commitment Expiration Off Balance Sheet Commitments Within Year Three Amount of Commitment Expiration Off-Balance Sheet Commitments Within Year Three Exercise Prices Range $ 158.56 - $ 161.14 Range06 [Member] Range 06 [Member] Business combination, earnout payable evaluation period Business Combination, Contingent Consideration, Liability, Measurement Period Business Combination, Contingent Consideration, Liability, Measurement Period Accrued pension liability Deferred Tax Liabilities Accrued Pension Liability Deferred tax liabilities accrued pension liability. Summary of Corporate and Other Debt Schedule of Debt [Table Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Total lease liabilities Total Operating Lease, Liability Underlying Securities Award Underlying Securities Amount Performance Shares Performance Shares [Member] Deferred revenue - current Deferred Revenue, Current Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Cash dividends declared on common stock Dividends, Common Stock, Cash Measurement Input, Long-term Revenue Growth Rate Measurement Input, Long-Term Revenue Growth Rate [Member] Amendment Flag Amendment Flag Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Amount of Commitment Expiration by Period - Thereafter Amount Of Commitment Expiration Off Balance Sheet Commitments Within Year Thereafter Amount of Commitment Expiration Off-Balance Sheet Commitments Within Year Thereafter Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability Debt securities Defined Benefit Plan, Debt Security [Member] Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Credit and Other Debt Agreements Debt Disclosure [Text Block] Collateral Held Collateral Held [Axis] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Insurance claim arise during ordinary course of business SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable Semi-annual payments of interest, fixed rate of 5.15%, balloon due February 15, 2035 Fixed Rate Of Five Point One Five Percent Balloon Due February fifteen Two Thousand Thirty Five [Member] Fixed Rate Of Five Point One Five Percent Balloon Due February fifteen Two Thousand Thirty Five. Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] Stock options granted, exercise percentage, year three Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Exercise Percentage Year Three Share based compensation arrangement by share based payment award options grants in period exercise percentage year three. Entity Address, Postal Zip Code Entity Address, Postal Zip Code Premium financing debt Premium Financing Borrowings Premium financing borrowings. Expected period of return on plan assets, years Expected Period Of Return On Plan Assets Expected period of return on plan assets Deferred Equity Participation Plan Sub Plans Deferred Equity Participation Plan Sub Plans [Member] Deferred equity participation plan sub plans. Foreign Income Tax Paid, Foreign, after Refund Received Semi-annual payments of interest, fixed rate of 5.75%, balloon due July 15, 2054 Fixed Rate Of Five Point Seven Five Percent Balloon Due July Fifteen Two Thousand Fifty Four [Member] Fixed rate of five point seven five percent balloon due july fifteen two thousand fifty four. Exercise Prices Range $ 70.74 - $ 70.74 Range01 [Member] Range 01 [Member] Aggregate amount of earnout obligation expected settlement in cash or common stock at option Business Combination Aggregate Earnout Obligation Expected Settlement In Cash Or Common Stock At Option Business combination aggregate earnout obligation expected settlement in cash or common stock at option. Reimbursements Cost Reimbursements Cost reimbursements. Grantee Status [Axis] Grantee Status [Axis] AUD denominated tranche, interbank rates plus 1.300% Inter Bank Rate Plus One Point Three Zero Zero Percent Expires October Thirty One Two Thousand Twenty Seven [Member] Inter Bank Rate Plus One Point Three Zero Zero Percent Expires October Thirty One Two Thousand Twenty Seven Other noncurrent assets Other Noncurrent Assets [Member] 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] Semi-annual payments of interest, fixed rate of 4.85%, balloon due December 15, 2029 Fixed Rate Of Four Point Eight Five Percent Balloon Due December fifteen Two Thousand Twenty Nine [Member] Fixed Rate Of Four Point Eight Five Percent Balloon Due December fifteen Two Thousand Twenty Nine. Auditor Name Auditor Name Minimum age of employee with not subject to award forfeiture on condition compliance Age Of Employee No Longer Subject To Award Forfeiture On Condition Compliance Age Of Employee No Longer Subject To Award Forfeiture On Condition Compliance Hedging instruments Deferred Tax Liabilities Hedging instruments Deferred tax liabilities hedging instruments. Effect of changes in foreign exchange rates on cash, cash equivalents, restricted cash and fiduciary cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Contractual Obligations, Payments Receivable by Period, 2027 Recorded Unconditional Purchase Obligation Receivable In Second Year Recorded unconditional purchase obligation receivable in second year. 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] Useful Life Property, Plant and Equipment, Useful Life Shares Under Option Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Trading Activity, by Type Trading Activity, by Type [Domain] Semi-annual payments of interest, fixed rate of 5.29%, balloon due March 13, 2034 Fixed Rate Of Five Point Two Nine Percent Balloon Due March Thirteen Two Thousand Thirty Four [Member] Fixed rate of five point two nine percent balloon due march thirteen two thousand thirty four. Revenue recognition Deferred Tax Liabilities, Revenue Recognition Deferred Tax Liabilities, Revenue Recognition Exercise Prices Range $ 156.85 - $ 156.85 Range05 [Member] Range 05 [Member] Excess tax benefits on share-based payments Stock-based compensation Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount Loss contingency accrual, product liability Loss Contingency Accrual, Product Liability, Net Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Amortization Amortization Components of Net Periodic Pension Benefit Cost and Other Changes in Plan Assets and Obligations Recognized in Earnings and Other Comprehensive Earnings Components Of Periodic Pension Benefit Cost And Other Changes In Plan Assets And Obligations Recognized In Earnings And Other Comprehensive Earnings [Table Text Block] Components of periodic pension benefit cost and other changes in plan assets and obligations recognized in earnings and other comprehensive earnings Valuation, Market Approach Valuation, Market Approach [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Business Acquisition Business Acquisition [Member] Business Acquisition [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] Total assets Identifiable assets: Assets Vesting Period [Line Items] Vesting Period [Line Items] Vesting Period [Line Items] Total recognized in net periodic pension cost and other comprehensive (loss) Defined Benefit Plan, Amount Recognized in Net Periodic Benefit Cost (Credit) and Other Comprehensive (Income) Loss, before Tax Annual Activity Of Stock Option Plans [Table] Annual Activity Of Stock Option Plans [Table] Annual Activity Of Stock Option Plans [Table] Commitments Contingencies And Off Balance Sheet Arrangements [Table] Commitments Contingencies And Off Balance Sheet Arrangements [Table] Commitments Contingencies And Off Balance Sheet Arrangements [Table] Non-compete agreements Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Non-Compete Agreements Business combination, recognized identifiable assets acquired and liabilities assumed, intangible assets, non-compete agreements. Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Other noncurrent liabilities (includes tax credit carryforwards of $713 in 2025) Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Reconciliation of Provision for Income Taxes with Federal Statutory Income Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Termination Date Trading Arrangement Termination Date Retention Bonus Arrangements Retention Bonus Arrangements Policy [Policy Text Block] Retention Bonus Arrangements Policy Deferred compensation and restricted (in shares) Stock Issued During Period Shares Deferred Compensation And Restricted Stock Stock issued during period, shares, deferred compensation and restricted stock. 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Deferred Equity Participation Plan (DEPP) Deferred Equity Participation Plan [Member] Deferred equity participation plan. Full Value Awards Full Value Awards [Member] Full Value Awards Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Debt Instrument Debt Instrument [Axis] Compensation expense Labor And Related Expense [Member] Labor and related expense. Exercise Prices Range $ 79.59 - $ 79.59 Range02 [Member] Range 02 [Member] Net earnings attributable to controlling interests Net earnings attributable to controlling interests Net earnings attributable to controlling interests Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] 2030 to 2034 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Credit facility, current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Escrow Deposited Escrow Deposit Entity File Number Entity File Number Weighted Average Assumptions of Pension Benefit Obligation and Net Periodic Pension Benefit Cost Defined Benefit Plan, Assumptions [Table Text Block] Earnout liability adjustments Effective Income Tax Rate Reconciliation, Earnout Liability Adjustments, Amount Effective Income Tax Rate Reconciliation, Earnout Liability Adjustments, Amount Noncontrolling Interests Noncontrolling Interest [Member] Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Current Current Federal Tax Expense (Benefit) Credit enhancement under letters of credit for our captive insurance operations to meet minimum statutory capital requirements - expires 2028 Credit Enhancement Under Letters of Credit for Our Captive Insurance Operations to Meet Minimum Statutory Capital Requirements Expires After Two Thousand and Twenty Eight [Member] Credit enhancement under letters of credit for our captive insurance operations to meet minimum statutory capital requirements expires after two thousand and twenty eight. Name Forgone Recovery, Individual Name Aggregate Intrinsic Value, Exercisable at end of year Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Weighted-average remaining lease term, years Operating Lease, Weighted Average Remaining Lease Term Exercise Prices Range $ 127.90 - $ 127.90 Range04 [Member] Range 04 [Member] Commission revenue Commission Revenue [Member] Commission revenue. Deferred revenue - noncurrent Deferred Revenue, Noncurrent Adjustments SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment Investment Income Investment, Policy [Policy Text Block] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Schedule of Benefit Payments Expected to be Paid by Plan Schedule of Expected Benefit Payments [Table Text Block] Basic net earnings per share Business Acquisition, Pro Forma Earnings Per Share, Basic Supplemental Disclosures of Cash Flow Information Cash and Cash Equivalents Disclosure [Text Block] Decreases in tax positions for prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Semi-annual payments of interest, fixed rate of 4.24%, balloon due January 30, 2035 Fixed Rate Of Four Point Two Four Percent Balloon Due January Thirty Two Thousand Thirty Five [Member] Fixed Rate Of Four Point Two Four Percent Balloon Due January Thirty Two Thousand Thirty Five [Member] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Semi-annual payments of interest, fixed rate of 4.14%, balloon due August 4, 2027 Fixed Rate Of Four Point One Four Percent Balloon Due August Four Two Thousand Twenty Seven [Member] Fixed rate of four point one four percent, balloon due August four, two thousand twenty seven. Adjustment to Compensation: Adjustment to Compensation [Axis] Self-Insurance Deductibles Self Insurance Deductibles [Member] Self-Insurance Deductibles [Member] Net earnings (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Other Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Net earnings attributable to controlling interests Business Acquisitions Pro Forma Net Income Loss To Controlling Interest Business acquisitions pro forma net income loss to controlling interest. Goodwill written-off related to sales of business Goodwill, Written off Related to Sale of Business Unit Net amount included in retained earnings Defined Benefit Plan Net Amount Included In Retained Earning Defined benefit plan net amount included in retained earning. Amounts Recorded in Earnings Valuation Allowances And Reserves Additions Charged To Earnings Valuation allowances and reserves, additions charged to earnings Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other Property, Plant and Equipment, Other Types [Member] Net earnings before interest, income taxes, depreciation, amortization and change in estimated acquisition earnout payables Business Acquisitionsnet Earnings Before Interest, Income Taxes, Depreciation, Amortization And Change In Estimated Acquisition Earnout Payables Business acquisitionsnet earnings before interest, income taxes, depreciation, amortization and change in estimated acquisition earnout payables. Weighted average number of common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] AUD denominated tranche, interbank rates plus 0.780% Inter bank Rate Plus Zero Point Seven Eight Zero Percent Expires October Thirty One Two Thousand Twenty Seven [Member] Inter bank Rate Plus Zero Point Seven Eight Zero Percent Expires October Thirty One Two Thousand Twenty Seven Total stockholders' equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Fixed assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Name Awards Close in Time to MNPI Disclosures, Individual Name Shares Under Option, Forfeited or canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Number of companies acquired Number of Businesses Acquired Entity Filer Category Entity Filer Category Remaining performance obligations Expected revenue related to performance obligations Revenue, Remaining Performance Obligation, Amount Maximum Exposure Off-balance Sheet Liability, Maximum Exposure Off-balance Sheet Liability, Maximum Exposure Tax Increment Financing Tax Increment Financing [Member] Tax Increment Financing [Member] Contractual Obligations, Payments Receivable by Period, 2026 Recorded Unconditional Purchase Obligation Receivable Within One Year Recorded unconditional purchase obligation receivable within one year. Options Exercisable, Number Exercisable (in shares) Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable Goodwill acquired during the year Goodwill, Acquired During Period Noncurrent Liabilities [Member] Noncurrent Liabilities [Member] Noncurrent Liabilities [Member] Statistical Measurement Statistical Measurement [Domain] Components of Lease Expense Lease, Cost [Table Text Block] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Fair value of grants in period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Fair Value Number of letters of credit issued Number Of Letter Of Credit Issued Number Of Letter Of Credit Issued Net unrecognized tax benefits Unrecognized Tax Benefits that Would Impact Effective Tax Rate Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] All Trading Arrangements All Trading Arrangements [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Computation of Basic and Diluted Net EPS Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Vesting period, years Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 2025 Acquisitions Two Thousand Twenty Five Acquisitions [Member] Two Thousand Twenty Four Acquisitions. Nondeductible executive compensation (IRC 162(m)) Effective Income Tax Rate Reconciliation, Nondeductible Expense, Executive Compensation, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Executive Compensation, Percent Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Semi-annual payments of interest, fixed rate of 5.45%, balloon due March 13, 2039 Fixed Rate Of Five Point Four Five Percent Balloon Due March Thirteen Two Thousand Thirty Nine [Member] Fixed rate of five point four five percent balloon due march thirteen two thousand thirty nine. Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Income Tax Paid, by Individual Jurisdiction [Line Items] Income Tax Paid, by Individual Jurisdiction [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Income taxes paid, net Income taxes paid, net Income Taxes Paid, Net Goodwill adjustments related to appraisals and other acquisition adjustments Goodwill, Measurement Period Adjustment Pay vs Performance Disclosure [Line Items] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Amount of Commitment Expiration by Period - 2026 Amount Of Commitment Expiration Off Balance Sheet Commitments Within Year One Amount of Commitment Expiration Off-Balance Sheet Commitments Within Year One Net change in other noncurrent assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Income (loss) from branches / disregarded entities Effective Income Tax Rate Reconciliation, Branches And Disregarded Entities, Percent Effective Income Tax Rate Reconciliation, Branches And Disregarded Entities, Percent Other Performance Measure, Amount Other Performance Measure, Amount 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Facility D Facility D [Member] Facility D Goodwill [Line Items] Goodwill [Line Items] Leases Lessee, Operating Leases [Text Block] Common stock - outstanding shares (in shares) Common Stock, Shares, Outstanding Total Provision for income taxes, Foreign Foreign Income Tax Expense (Benefit), Continuing Operations Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Operating lease expense Operating Lease, Cost Shares available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Lease liabilities - noncurrent Lease liabilities Operating Lease, Liability, Noncurrent Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid 2022 Provisional Cash Awards Two Thousand Twenty Two Provisional Cash Awards [Member] Two thousand twenty one provisional cash awards. 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Lender Name Lender Name [Axis] Amortization of deferred compensation and restricted stock Amortization Of Deferred Compensation And Restricted Stock Amortization of deferred compensation and restricted stock Number of employees will accommodate at new facility Number of employees Number of employees. Diluted net earnings per share Business Acquisition, Pro Forma Earnings Per Share, Diluted Black-Scholes Option Pricing Model Black Scholes Option Pricing Model [Member] Black-Scholes Option Pricing Model [Member] Restricted Stock, Restricted Stock Units and Performance Unit Awards Restricted Stock Restricted Stock Units And Performance Unit Awards [Member] Restricted stock, restricted stock units and performance unit awards. Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Annual facility fee of revolving credit facility Annual Facility Fee Of Revolving Credit Facility Annual facility fee of revolving credit facility. 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Stock issuance from public offering (in shares) Stock Issued During Period, Shares, New Issues 2026 Defined Benefit Plan, Expected Future Benefit Payment, Year One Entity Emerging Growth Company Entity Emerging Growth Company Summary of Supplemental Cash Flow Information Related to Leases Operating Leases Cash Flow Related Information [Table Text Block] Tabular disclosure of operating lease related cash flow information. Semi-annual payments of interest, fixed rate of 3.46%, balloon due December 1, 2027 Fixed Rate Of Three Point Four Six Percentage Balloon Due December One Two Thousand Twenty Seven [Member] Fixed rate of three point four six percentage, balloon due December one, two thousand twenty seven. Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Brokerage Brokerage Segment [Member] Brokerage Segment Member Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Outstanding loan receivable Construction Contractor, Receivable, Excluding Contract Retainage Risk Management Risk Management Segment [Member] Risk Management Segment Member Net change in accrued compensation and other accrued liabilities Net Change In Accrued Compensation And Other Accrued Liabilities Net change in accrued compensation and other accrued liabilities Liabilities recorded on self-insurance Liability Recorded Liabilities Recorded On Self Insurance Liabilities Recorded on Self-Insurance Equity Component Equity Component [Domain] Revenue recognition Deferred Tax Assets Revenue Recognition Deferred tax assets revenue recognition. Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tompkins Insurance Agencies, Inc. October 31, 2025 (TIA) Tompkins Insurance Agencies, Inc. [Member] Tompkins Insurance Agencies, Inc. Payments on acquisition earnouts in excess of original estimates Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Entity Shell Company Entity Shell Company Contractual Obligations, Payments Due by Period, 2028 Recorded Unconditional Purchase Obligation, to be Paid, Year Three Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 2029 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Deferred contract costs Capitalized Contract Cost, Net SEC Schedule, 12-09, Valuation Allowances and Reserves SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Amortization of deferred contract costs Capitalized Contract Cost, Accumulated Amortization Standby Letters of Credit Standby Letters of Credit [Member] Guarantor Obligations, Nature Guarantor Obligations, Nature [Axis] Statement [Table] Statement [Table] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Consolidation Items Consolidation Items [Domain] Semi-annual payments of interest, fixed rate of 4.98%, balloon due February 27, 2029 Fixed Rate Of Four Point Nine Eight Percent Balloon Due February Twenty Seven Two Thousand Twenty Nine [Member] Fixed rate of four point nine eight percent, balloon due February twenty seven, two thousand twenty nine. 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Valuation Approach and Technique Valuation Approach and Technique [Domain] Basic net earnings per share (in dollars per share) Earnings Per Share, Basic First Actuarial, LLP November 27, 2025 (FAC) First Actuarial, LLP [Member] First Actuarial, LLP Net borrowings of corporate related long-term debt Proceeds From Repayments of Corporate Related Long Term Debt Proceeds from repayments of corporate related long-term debt. Proceeds from issuance of common stock Cash raised through follow-on common stock offering Proceeds from Issuance of Common Stock Operating cash flows from operating leases Operating Lease, Payments Semi-annual payments of interest, fixed rate of 4.19%, balloon due June 27, 2029 Fixed Rate Of Four Point One Nine Percent Balloon Due June Twenty Seven Two Thousand Twenty Nine [Member] Fixed rate of four point one nine percent, balloon due June twenty seven, two thousand twenty nine. 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Maximum number of shares available (in shares) Shares granted in the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period AssuredPartners, Inc AssuredPartners, Inc [Member] AssuredPartners, Inc. 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