Annual report pursuant to Section 13 and 15(d)
Cover
Document and Entity Information
Financial Statements
Consolidated Statements of Income and Comprehensive Income
Consolidated Balance Sheets
Consolidated Balance Sheets (Parenthetical)
Consolidated Statements of Stockholders' Equity
Consolidated Statements of Stockholders' Equity (Parenthetical)
Consolidated Statements of Cash Flows
Notes to Financial Statements
Description of Business, Basis of Presentation, and Significant Accounting Policies
Service Revenue
Basic and Diluted Earnings Per Share
Other Income/(Expense), Net
Stock-Based Compensation Plans
Funds Held for Clients and Corporate Investments
Fair Value Measurements
Leases
Property and Equipment, Net of Accumulated Depreciation
Goodwill and Intangible Assets, Net of Accumulated Amortization
Income Taxes
Short-term Financing
Long-Term Financing
Supplemental Cash Flow Information
Employee Benefit Plans
Commitments and Contingencies
Valuation and Qualifying Accounts
Accounting Policies
Description of Business, Basis of Presentation, and Significant Accounting Policies (Policy)
Notes Tables
Description of Business, Basis of Presentation, and Significant Accounting Policies (Tables)
Service Revenue (Tables)
Basic and Diluted Earnings Per Share (Tables)
Other Income/(Expense), Net (Tables)
Stock-Based Compensation Plans (Tables)
Funds Held for Clients and Corporate Investments (Tables)
Fair Value Measurements (Tables)
Leases (Tables)
Property and Equipment, Net of Accumulated Depreciation (Tables)
Goodwill and Intangible Assets, Net of Accumulated Amortization (Tables)
Income Taxes (Tables)
Short-term Financing (Tables)
Long-Term Financing (Tables)
Commitments and Contingencies (Tables)
Notes Details
Description of Business, Basis of Presentation, and Significant Accounting Policies (Narrative) (Details)
Description of Business, Basis of Presentation, and Significant Accounting Policies (Estimated Useful Lives of Depreciable Assets) (Details)
Service Revenue (Narrative) (Details)
Service Revenue (Summary of PEO Pass-Through Costs Netted in Revenue) (Details)
Service Revenue (Summary of Changes in Deferred Revenue Related to Material Rights Performance Obligations) (Details)
Service Revenue (Narrative) (Performance Obligation) (Details)
Service Revenue (Summary of Changes in Deferred Costs to Obtain and Fulfill Contracts) (Details)
Basic and Diluted Earnings Per Share (Basic and Diluted Earnings Per Share) (Details)
Other Income/(Expense), Net (Schedule of Other Income/(Expense), Net) (Details)
Stock-Based Compensation Plans (Narrative) (Details)
Stock-Based Compensation Plans (Weighted-Average Assumptions) (Details)
Stock-Based Compensation Plans (Stock Option Activity) (Details)
Stock-Based Compensation Plans (Other Information Pertaining to Stock Option) (Details)
Stock-Based Compensation Plans (RSU Activity) (Details)
Stock-Based Compensation Plans (Other Information Pertaining to RSUs) (Details)
Stock-Based Compensation Plans (Restricted Stock Awards Activity) (Details)
Stock-Based Compensation Plans (Other Information Pertaining to Restricted Stock Awards) (Details)
Stock-Based Compensation Plans (LTIP Performance-Based Stock Option Activity) (Details)
Stock-Based Compensation Plans (Other Information Pertaining to LTIP Performance-Based Stock Options) (Details)
Funds Held for Clients and Corporate Investments (Funds Held for Clients and Corporate Investments) (Details)
Funds Held for Clients and Corporate Investments (Narrative) (Details)
Funds Held for Clients and Corporate Investments (Classification of Investments on Consolidated Balance Sheets) (Details)
Funds Held for Clients and Corporate Investments (Securities in Unrealized Loss Position) (Details)
Funds Held for Clients and Corporate Investments (Realized Gains and Losses from Sale of Available-for-sale Securities) (Details)
Funds Held for Clients and Corporate Investments (Amortized Cost and Fair Value of Available-for-Sale Securities by Contractual Maturity) (Details)
Fair Value Measurements (Narrative) (Details)
Fair Value Measurements (Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details)
Leases (Narrative) (Details)
Leases (Supplemental Balance Sheet Information Related to Leases) (Details)
Leases (Components of Lease Expense) (Details)
Leases (Supplemental Cash Flow Information Related to Leases) (Details)
Leases - (Future Lease Payments) (Details)
Property and Equipment, Net of Accumulated Depreciation (Components of Property and Equipment, at Cost) (Details)
Property and Equipment, Net of Accumulated Depreciation (Narrative) (Details)
Goodwill and Intangible Assets, Net of Accumulated Amortization (Narrative) (Details)
Goodwill and Intangible Assets, Net of Accumulated Amortization (Change in Goodwill) (Details)
Goodwill and Intangible Assets, Net of Accumulated Amortization (Components of Intangible Assets, at Cost) (Details)
Goodwill and Intangible Assets, Net of Accumulated Amortization (Estimated Amortization Expense) (Details)
Income Taxes (Narrative) (Details)
Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details)
Income Taxes (Components of Provision for Income Taxes) (Details)
Income Taxes (Reconciliation of U.S. Federal Statutory Tax Rate) (Details)
Income Taxes (Reconciliation of Gross Unrecognized Tax Benefits, Not Including Interest or Other Potential Offsetting Effects) (Details)
Short-term Financing (Narrative) (Details)
Short-term Financing (Description of Credit Facilities) (Details)
Short-term Financing (Description of Credit Facilities) (Parenthetical) (Details)
Long-Term Financing (Schedule of Long-Term Debt, at Amortized Cost) (Details)
Long-Term Financing (Information Related to Senior Notes) (Details)
Supplemental Cash Flow Information (Narrative) (Details)
Employee Benefit Plans (Narrative) (Details)
Commitments and Contingencies (Narrative) (Details)
Commitments and Contingencies (Minimum Future Payment Obligations) (Details)
Valuation and Qualifying Accounts (Details)
Service Revenue (Summary of Changes in Deferred Costs to Obtain and Fulfill Contracts) (Details)
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