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Document and Entity Information
Financial Statements
Consolidated Balance Sheets
Consolidated Balance Sheets (Parenthetical)
Consolidated Statements of Income
Consolidated Statements of Comprehensive Income
Consolidated Statements of Cash Flows
Notes to Financial Statements
The Company and Nature of Operations
Basis of Presentation and Significant Accounting Policies
Net Income Per Common Share
Acquisitions
Fair Value of Financial Instruments
Auction Rate Securities
Insurance
Line of Credit
Employee Benefit Plans
Commitments and Contingencies
Income Taxes
Segment and Geographic Information
Subsequent Events
Accounting Policies
Basis of Presentation and Significant Accounting Policies (Policies)
Notes Tables
Net Income Per Common Share (Tables)
Acquisitions (Tables)
Fair Value of Financial Instruments (Tables)
Auction Rate Securities (Tables)
Insurance (Tables)
Line of Credit (Tables)
Employee Benefit Plans (Tables)
Segment and Geographic Information (Tables)
Notes Details
Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)
Calculations of Basic and Diluted Net Income Per Common Share (Detail)
Antidilutive Securities Excluded from Computation of Earnings Per Share (Detail)
Acquisitions - Additional Information (Detail)
Final Purchase Price and Related Allocations (Detail)
Final Purchase Price and Related Allocations (Parenthetical) (Detail)
Weighted-average Useful Lives of Acquired Other Intangible Assets (Detail)
Fair Value of Financial Instruments (Detail)
Auction Rate Securities - Additional Information (Detail)
Significant Assumptions Used to Determine Fair Value of Auction Rate Securities (Detail)
Changes in Cost Basis and Fair Value of Auction Rate Securities (Detail)
Insurance - Additional Information (Detail)
Standby Letters of Credit, Surety Bonds and Restricted Insurance Deposits Outstanding to Collateralize Self-Insurance Obligations (Detail)
Line of Credit - Additional Information (Detail)
Interest Rate Swap Contracts on Financial Statements (Detail)
Components of Net Periodic Benefit Cost of Defined Benefit Plans and Postretirement Benefit Plans (Detail)
Commitments and Contingencies - Additional Information (Detail)
Income Taxes - Additional Information (Detail)
Reportable Operating Segments (Detail)
Subsequent Events - Additional Information (Detail)
All Reports
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