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Document and Entity Information
Financial Statements
Consolidated Balance Sheets
Consolidated Balance Sheets (Parenthetical)
Consolidated Statements Of Income
Consolidated Statements Of Cash Flows
Notes to Financial Statements
Nature of Business
Unaudited Interim Financial Information
Net Income per Common Share
Acquisitions
Fair Value of Financial Instruments
Auction Rate Securities
Self-Insurance
Line of Credit Facility
Benefit Plans
Contingencies
Comprehensive Income
Income Taxes
Segment Information
Accounting Policies
Unaudited Interim Financial Information (Policies)
Notes Tables
Net Income per Common Share (Tables)
Acquisitions (Tables)
Fair Value of Financial Instruments (Tables)
Auction Rate Securities (Tables)
Line of Credit Facility (Tables)
Benefit Plans (Tables)
Comprehensive Income (Tables)
Segment Information (Tables)
Notes Details
Interim Financial Information - Additional Information (Detail)
Calculations of Basic and Diluted Net Income Per Common Share (Detail)
Antidilutive Shares Excluded from Calculation of Net Income Per Common Share (Detail)
Acquisitions - Additional Information (Detail)
Preliminary Purchase Price and Related Allocations (Detail)
Preliminary Purchase Price and Related Allocations (Parenthetical) (Detail)
Fair Value Measurements (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)
Self-Insurance - Additional Information (Detail)
Line Of Credit Facility - Additional Information (Detail)
Company's Interest Rate Swap Contract on Consolidated Financial Statements (Detail)
Components of Net Periodic Benefit Cost of Defined Benefit Plans and Post-Retirement Benefit Plans (Detail)
Contingencies - Additional Information (Detail)
Components of Comprehensive Income (Detail)
Income Taxes - Additional Information (Detail)
Segment Information - Additional Information (Detail)
Reportable Operating Segments (Detail)
All Reports
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