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Receivable, Allowance for Credit Loss, Period Increase (Decrease) Underlying Securities Award Underlying Securities Amount Revenue and Deferred Costs Revenue from Contract with Customer [Text Block] Financial Instrument, Other Financial Instrument, Other [Member] Net excess tax benefit from stock-based compensation Share-Based Payment Arrangement, Expense, Net Excess Tax Benefit Share-Based Payment Arrangement, Expense, Net Excess Tax Benefit Reclassification of Revenue from Core to Complementary Reclassification of Revenue from Core to Complementary Reclassification of Revenue from Core to Complementary Income Tax Jurisdiction, Domestic State and Local [Member] Income Tax Jurisdiction, Domestic State and Local [Member] Preferred Shares Preferred Stock [Member] Computer Software Development Software to be Sold, Leased, or Marketed [Policy Text Block] Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Discount Rate, Percent State and local income taxes, net of federal effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Capitalized Contract Cost [Table] Capitalized Contract Cost [Table] Segment Reporting [Table] Segment Reporting [Table] All Trading Arrangements All Trading Arrangements [Member] Auditor Firm ID Auditor Firm ID Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] OPERATING INCOME Operating Income (Loss) Future revenue related to unsatisfied performance obligations Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Business Acquisitions [Text Block] Business Combination [Text Block] 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 declared per share Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Shares issued for equity-based payment arrangements (value) Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Deferred costs Deferred Costs, Current ScheduleOfShareBasedPaymentAwardPSUValuationAssumptionsTableTextBlock [Table Text Block] ScheduleOfShareBasedPaymentAwardPSUValuationAssumptionsTableTextBlock [Table Text Block] us-gaap_ScheduleOfShareBasedPaymentAwardPSUValuationAssumptionsTableTextBlock [Table Text Block] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Common stock, issued shares Common Stock, Shares, Issued Measure: Measure [Axis] Other Assets Disclosure [Text Block] Other Assets Disclosure [Text Block] Treasury stock, common, shares Treasury Stock, Common, Shares Aircraft and equipment [Member] Flight Equipment [Member] Current assets Business Combination, Recognized Asset Acquired, Asset, Current Long-Lived Asset, Held-for-Sale, Type [Axis] Long-Lived Asset, Held-for-Sale, Type [Axis] Statement, Equity Components [Axis] Equity Components [Axis] Non-current deferred costs Deferred Costs, Noncurrent Product and Service [Domain] Product and Service [Domain] Total cash paid for income taxes, net of refunds received Income Tax Paid, after Refund Received Capitalized Contract Cost Capitalized Contract Cost, Net California CALIFORNIA Valuation allowance Deferred Tax Assets, Valuation Allowance Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Deferred income tax liability Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Defined Contribution Plan, Matching Contributions Defined Contribution Plan, Cost Entity Small Business Entity Small Business 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Identifiable Intangible Assets, Weighted Average Useful Life Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Share Repurchase Program, Remaining Authorized, Number of Shares Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Liabilities Assumed Liabilities Assumed U.S. federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] TOTAL INTEREST INCOME TOTAL INTEREST INCOME Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Purchase of Investment [Abstract] Purchase of Investment [Abstract] Purchase of Investment [Abstract] Nontaxable and nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Other non-current assets Other Assets, Noncurrent Document Type Document Type Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Payment for acquisitions Payments to Acquire Businesses, Net of Cash Acquired Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Accrued expenses Accrued Liabilities, Current Entity Public Float Entity Public Float Fair Value as of Grant Date Award Grant Date Fair Value Outstanding, period end, aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Tax Credit Carryforward, Amount Tax Credit Carryforward, Amount Reductions for prior year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Nonconsolidated Investees, Other Nonconsolidated Investees, Other [Member] Gain on disposal of assets Gain (Loss) on Disposition of Assets Schedule of Goodwill [Table] Goodwill [Table] Reclassification of Revenue from Corporate Services to Complementary Reclassification of Revenue from Corporate Services to Complementary Reclassification of Revenue from Corporate Services to Complementary Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Intangible Asset, Excluding Goodwill, Impairment Loss Intangible Asset, Excluding Goodwill, Impairment Loss Arrangement Duration Trading Arrangement Duration Subsequent Events Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Non-current deferred revenues Contract Liabilities (Deferred Revenue)- Non-current Contract with Customer, Liability, Noncurrent Total gross deferred liabilities Deferred Tax Liabilities, Gross 2028 Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense, Year Two Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name PSU grant date weighted average fair value assumptions Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Fair value under Monte Carlo [Member] Fair value under Monte Carlo [Member] Fair value under Monte Carlo [Member] Additions for current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 2027 Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense, Year One 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] Credit Facility, Expiration Date Line of Credit Facility, Expiration Date Intangible Asset, Finite-Lived, before Accumulated Amortization Intangible Asset, Finite-Lived, before Accumulated Amortization Property and equipment, total 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 Equipment and furniture Fixtures and Equipment, Gross Other Assets [Abstract] Other Assets [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Acquired Receivable, Fair Value Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Goodwill [Roll Forward] Goodwill [Roll Forward] Capitalized Contract Cost [Line Items] Capitalized Contract Cost [Line Items] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Reclassification of Revenue from Core to Corporate Services Reclassification of Revenue from Core to Corporate Services Reclassification of Revenue from Core to Corporate Services Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Reductions related to expirations of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired Remaining lease terms Lessee, Operating Lease, Term of Contract Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Change in accrued expenses Increase (Decrease) in Accrued Liabilities Leasehold improvements [Member] Leasehold Improvements [Member] Income Tax Paid, before Refund Received Income Tax Paid, before Refund Received Property, Plant and Equipment, Type [Axis] Long-Lived Asset, Class [Axis] Research and development tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill [Abstract] Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill [Abstract] Tax benefit from stock-based compensation expense Share-Based Payment Arrangement, Expense, Tax Benefit Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Purchase of treasury shares Treasury Stock, Value, Acquired, Cost Method Cash and cash equivalents CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD CASH AND CASH EQUIVALENTS, END OF PERIOD Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Change in accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Capitalized costs to obtain contracts with clients - current Capitalized costs to obtain contracts with clients - current [Member] Capitalized costs to obtain contracts with clients - current 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] Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Subsequent Event [Table] Subsequent Event [Table] Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross Expense for stock-based compensation Share-Based Payment Arrangement, Noncash Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Land Land Defined Contribution Plan, Employment Length Requirement Defined Contribution Plan, Employment Length Requirement Defined Contribution Plan, Employment Length Requirement Employee Stock Purchase Plan, Purchase Price of Common Stock, Percent of Closing Price Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent 2030 Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense, Year Four Investment, Name [Domain] Investment, Name [Domain] Lessee, Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic earnings per share Earnings Per Share, Basic Discretionary line of credit demand note Discretionary line of credit demand note [Member] Discretionary line of credit demand note Purchase of treasury stock Purchase of treasury stock Payments for Repurchase of Common Stock Deferred revenues Contract Liabilities (Deferred Revenue)- Current Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Cost of Revenue Cost of Revenue Award Type [Axis] Award Type [Axis] Document Annual Report Document Annual Report Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Receivables, net Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Unsecured Loan, Unused Borrowing Capacity Debt Instrument, Unused Borrowing Capacity, Amount Common Stock Common Stock [Member] Concentration Risk, Supplier Concentration Risk, Supplier Nontaxable and nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Operating Lease, Cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Long-Lived Assets Held-for-Sale, Name [Domain] Long-Lived Assets Held-for-Sale, Name [Domain] Nature of Operations and Summary of Significant Accounting Policies [Text Block] Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Cover page. Cover [Abstract] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Intangible Asset, Finite-Lived, after Accumulated Amortization, Estimated Amortization Expense, Fiscal Year Maturity [Abstract] Intangible Asset, Finite-Lived, after Accumulated Amortization, Estimated Amortization Expense, Fiscal Year Maturity [Abstract] 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 and equity Liabilities and Equity Variable Lease, Cost Variable Lease, Cost Employee Stock Option Share-Based Payment Arrangement, Option [Member] Dividend payable date Dividends Payable, Date to be Paid Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Plan Name [Axis] Plan Name [Axis] Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Nature of Operations and Summary of Significant Accounting Policies [Abstract] Nature of Operations and Summary of Significant Accounting Policies [Abstract] Nature of Operations and Summary of Significant Accounting Policies [Abstract] Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate 2031 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Five 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Income tax receivable Income Taxes Receivable, Current Name Awards Close in Time to MNPI Disclosures, Individual Name Purchase of investments Payments to Acquire Investments 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] Forfeited, number of shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period OTHER ASSETS: Assets, Noncurrent [Abstract] Complementary [Member] Complementary [Member] Complementary Segment [Member] Air Transportation Equipment Air Transportation Equipment [Member] Property, Plant and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Preferred stock, authorized shares Preferred Stock, Shares Authorized Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock - $1 par value; 500,000 shares authorized, none issued Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Abstract] Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Abstract] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] Name Measure Name Income Taxes [Text Block] Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] 2031 Lessee, Operating Lease, Liability, to be Paid, Year Five LONG TERM DEBT Debt Instrument [Line Items] Leasing right-of-use assets Deferred Tax Liabilities, Leasing Arrangements 2029 Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense, Year Three Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Equipment and furniture [Member] Equipment [Member] Computer software developed Payments to Develop Software Dividends [Axis] Dividends [Axis] Name Trading Arrangement, Individual Name Dividend declared date Dividends Payable, Date Declared Land improvements Land Improvements Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Company Selected Measure Amount Company Selected Measure Amount Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Shares issued for equity-based payment arrangements (shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net Income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate CURRENT ASSETS: Assets, Current [Abstract] Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Prime Rate [Member] Prime Rate [Member] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Vested, weighted average grant date fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value PROVISION FOR INCOME TAXES Total Income Tax Expense (Benefit) Comprehensive Income Comprehensive Income, Policy [Policy Text Block] Risks and Uncertainties [Abstract] Risks and Uncertainties [Abstract] Contract and service revenues Deferred Tax Assets, Deferred Income Award Timing Method Award Timing Method [Text Block] Consolidation Consolidation, Policy [Policy Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Total gross deferred tax assets Deferred Tax Assets, Gross Other intangible assets, net of amortization Other Intangible Assets, Net Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] NET INCOME Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Computer software, net of amortization Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, after Accumulated Amortization Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, after Accumulated Amortization Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Proceeds from sale of assets Proceeds from Sale of Property, Plant, and Equipment Statement [Table] Statement [Table] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from stock issued for equity-based payment arrangements Proceeds from Stock Options Exercised Certificates of Deposit Certificates of Deposit [Member] Capitalized Contract Cost, Impairment Loss Capitalized Contract Cost, Impairment Loss Product Delivery and Service [Member] Product Delivery and Service [Member] Product Delivery and Service [Member] Lessee, Leases [Policy Text Block] Lessee, Leases [Policy Text Block] Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Fed Funds Effective Rate Overnight Index Swap Rate [Member] Fed Funds Effective Rate Overnight Index Swap Rate [Member] Change in receivables Increase (Decrease) in Receivables Business Combination, Effective Date of Acquisition Business Combination, Effective Date of Acquisition Capitalized costs to fulfill contracts with clients Capitalized costs to fulfill contracts with clients [Member] Capitalized costs to fulfill contracts with clients REVENUE Revenues [Abstract] Current Federal Current Federal Tax Expense (Benefit) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]