0001001 - Document - Cover
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1001002 - Statement - Consolidated Balance Sheets
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1002003 - Statement - Consolidated Balance Sheets (Parenthetical)
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1003004 - Statement - Consolidated Statements of Operations
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1004005 - Statement - Consolidated Statements of Operations (Parenthetical)
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1005006 - Statement - Consolidated Statements of Shareholders' Equity
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1006007 - Statement - Consolidated Statements of Shareholders' Equity (Parenthetical)
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1007008 - Statement - Consolidated Statements of Cash Flows
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2101101 - Disclosure - Presentation and Summary of Significant Accounting Policies
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2202201 - Disclosure - Presentation and Summary of Significant Accounting Policies (Policies)
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2303301 - Disclosure - Presentation and Summary of Significant Accounting Policies (Tables)
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2404401 - Disclosure - Presentation and Summary of Significant Accounting Policies - Additional Information (Details)
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2404401 - Disclosure - Presentation and Summary of Significant Accounting Policies - Additional Information (Details)
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2405402 - Disclosure - Presentation and Summary of Significant Accounting Policies - Contract Balances (Details)
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2406403 - Disclosure - Presentation and Summary of Significant Accounting Policies - Disaggregated Revenue (Details)
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2407404 - Disclosure - Presentation and Summary of Significant Accounting Policies - Total Expenditures and Amortization of Capitalized Computer Software (Details)
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2408405 - Disclosure - Presentation and Summary of Significant Accounting Policies - Capitalized Computer Software Development Costs (Details)
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2409406 - Disclosure - Presentation and Summary of Significant Accounting Policies - Expected Amortization Expenses Based on Capitalized Software (Details)
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2410407 - Disclosure - Presentation and Summary of Significant Accounting Policies - Acquisition-Related Intangible Assets (Details)
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2411408 - Disclosure - Presentation and Summary of Significant Accounting Policies - Expected Amortization Expenses Based on Intangible Assets (Details)
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2412409 - Disclosure - Presentation and Summary of Significant Accounting Policies - Goodwill (Details)
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2413410 - Disclosure - Presentation and Summary of Significant Accounting Policies - Intangible Assets Including Acquisition-Related Intangible Assets (Details)
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2414411 - Disclosure - Presentation and Summary of Significant Accounting Policies - Basic Earnings per Common Share (Details)
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2415412 - Disclosure - Presentation and Summary of Significant Accounting Policies - Diluted Earnings per Share for Class A Common Shares Using If-Converted Method (Details)
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2416413 - Disclosure - Presentation and Summary of Significant Accounting Policies - Diluted Earnings per Share for Class B Common Shares Using Two-Class Method (Details)
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2117102 - Disclosure - Investments
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2318302 - Disclosure - Investments (Tables)
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2419414 - Disclosure - Investments - Components of Investments (Details)
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2420415 - Disclosure - Investments - Additional Information (Details)
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2421416 - Disclosure - Investments - Contractual Maturities of Debt Securities Classified as Trading (Details)
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2122103 - Disclosure - Fair Value of Financial Instruments
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2323303 - Disclosure - Fair Value of Financial Instruments (Tables)
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2424417 - Disclosure - Fair Value of Financial Instruments (Details)
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2125104 - Disclosure - Property and Equipment
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2326304 - Disclosure - Property and Equipment (Tables)
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2427418 - Disclosure - Property and Equipment (Details)
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2128105 - Disclosure - Income Taxes
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2329305 - Disclosure - Income Taxes (Tables)
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2430419 - Disclosure - Income Taxes - Income Tax Expense (Details)
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2431420 - Disclosure - Income Taxes - Additional Information (Details)
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2432421 - Disclosure - Income Taxes - Effective Income Tax Rate (Details)
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2433422 - Disclosure - Income Taxes - Tax Effects of Temporary Differences That Give Rise to Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Details)
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2434423 - Disclosure - Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits, Excluding Interest and Penalties (Details)
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2135106 - Disclosure - Shareholders' Equity
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2336306 - Disclosure - Shareholders' Equity (Tables)
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2437424 - Disclosure - Shareholders' Equity - Additional Information (Details)
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2438425 - Disclosure - Shareholders' Equity - Summary of Changes in Outstanding Options (Details)
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2439426 - Disclosure - Shareholders' Equity - Fair Value of Option Award Estimated Using Black-Scholes Option Pricing Model (Details)
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2140107 - Disclosure - Leases
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2341307 - Disclosure - Leases (Tables)
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2442427 - Disclosure - Leases - Additional Information (Details)
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2443428 - Disclosure - Leases - Balance Sheet Information (Details)
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2444429 - Disclosure - Leases - Lease Cost (Details)
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2445430 - Disclosure - Leases - Future Minimum Lease Payments under Noncancelable Operating Leases (Details)
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2445430 - Disclosure - Leases - Future Minimum Lease Payments under Noncancelable Operating Leases (Details)
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2446431 - Disclosure - Leases -Lease Rental Receivables (Details)
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2147108 - Disclosure - Commitments and Contingencies
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2448432 - Disclosure - Commitments and Contingencies (Details)
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2149109 - Disclosure - Segment Information
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2350308 - Disclosure - Segment Information (Tables)
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2451433 - Disclosure - Segment Information - Additional Information (Details)
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2452434 - Disclosure - Segment Information (Details)
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2153110 - Disclosure - Subsequent Events
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2454435 - Disclosure - Subsequent Events (Details)
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2155111 - Disclosure - CONSOLIDATED VALUATION ACCOUNTS
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2456436 - Disclosure - CONSOLIDATED VALUATION ACCOUNTS (Details)
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