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Consolidated [Table Text Block] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Goodwill, expected tax deductible amount Business Acquisition, Goodwill, Expected Tax Deductible Amount Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Debt Issuance Costs Debt, Policy [Policy Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Net income per share - diluted (in dollars per share) Net income per share - diluted (in dollars per share) Earnings Per Share, Diluted Conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Consolidation Items [Axis] Consolidation Items [Axis] Total current liabilities Liabilities, Current 2026 Long-Term Debt, Maturity, Interest Payments, Year Four Long-Term Debt, Maturity, Interest Payments, Year Four 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Income taxes payable Accrued Income Taxes, Noncurrent Deferred sales commissions of impaired Deferred Sales Commissions, Impairment Deferred Sales Commissions, Impairment Revenue, remaining performance obligation Revenue, Remaining Performance Obligation, Amount Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Schedule of Lessee, Operating Lease, Liability, Maturity Lessee, Operating Lease, Liability, Maturity [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Total contract assets Contract with Customer, Asset, before Allowance for Credit Loss Other assets and liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets And Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets And Liabilities Other financing activities Proceeds from (Payments for) Other Financing Activities Beginning balance Ending balance Contract with Customer, Liability Product and Service [Axis] Product and Service [Axis] Dividends common stock, shares (in shares) Additional Shares Of Common Stock Additional Shares Of Common Stock Trade name Acquired trade names and other intangible assets Trade Names [Member] 2.800% Senior Notes 2.800 Senior Notes [Member] 2.800 Senior Notes Credit Facility [Axis] Credit Facility [Axis] Schedule of Long-Term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Entity Tax Identification Number Entity Tax Identification Number Information Services Information Services Information services [Member] Information services [Member] Amortization of acquired intangible assets in operating expenses Amortization Of Intangible Assets, Net Of Adjustments Amortization Of Intangible Assets, Net Of Adjustments Advertising costs Advertising Expense Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Effects of foreign currency Contract with Customer, Asset, Effects of Currency Translation Contract with Customer, Asset, Effects of Currency Translation Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Commitment fees and other Line of Credit Facility, Commitment Fee Amount Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Aggregate purchase price Business Combination, Consideration Transferred Allowance for Credit Losses Credit Loss, Financial Instrument [Policy Text Block] City Area Code City Area Code ASSETS Assets [Abstract] General and administrative General and Administrative Expense Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] 2025 Long-Term Debt, Maturity, Interest Payments, Year Three Long-Term Debt, Maturity, Interest Payments, Year Three Advertising Costs Advertising Cost [Policy Text Block] Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Deferred commissions Increase (Decrease) Deferred Commissions Increase (Decrease) Deferred Commissions Net Income Per Share Earnings Per Share, Policy [Policy Text Block] 2023 Long-Term Debt, Maturity, Year One Supplemental non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Variable Rate [Axis] Variable Rate [Axis] North America North America North America [Member] Purchase of Richmond assets and other intangibles Payments to Acquire Property, Plant, and Equipment Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Schedule of Calculation of Basic and Diluted Net Income (Loss) Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Cost of revenues Cost of Sales [Member]