00100 - Statement - CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - Earnings Per Share (Reconciliation Of Income Used In Calculating Earnings Per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - Earnings Per Share (Reconciliation Of Weighted Average Number Of Shares Outstanding) (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Composition Of Certain Financial Statement Captions (Details) link:presentationLink link:calculationLink link:definitionLink 40402 - Disclosure - Acquisitions (Schedule Of Acquisition Information) (Details) link:presentationLink link:calculationLink link:definitionLink 40503 - Disclosure - Goodwill And Intangible Assets (Schedule Of Intangible Assets Including Estimates Of Assets Acquired) (Details) link:presentationLink link:calculationLink link:definitionLink 40504 - Disclosure - Goodwill And Intangible Assets (Schedule Of Amortization Expense For Finite-Lived Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - Notes Payable And Long-Term Debt (Schedule of Maturities of Notes Payable and Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Retirement Plans (Schedule Of Funded Status) (Details) link:presentationLink link:calculationLink link:definitionLink 41003 - Disclosure - Retirement Plans (Schedule Of Net Periodic Benefit Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - Other Income (Expense), Net (Details) link:presentationLink link:calculationLink link:definitionLink 41302 - Disclosure - Income Taxes (Schedule Of The Provision For Income Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 41304 - Disclosure - Income Taxes (Schedule Of Deferred Tax Assets (Liabilities)) (Details) link:presentationLink link:calculationLink link:definitionLink 41402 - Disclosure - Comprehensive Income And Accumulated Other Comprehensive Loss (Schedule Of Comprehensive Income (Loss)) (Details) link:presentationLink link:calculationLink link:definitionLink 41403 - Disclosure - Comprehensive Income And Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Income) (Details) link:presentationLink link:calculationLink link:definitionLink 41502 - Disclosure - Leases (Schedule Of Rent Expense For Facilities And Equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 41503 - Disclosure - Leases (Schedule Of Lease Commitments, And Lease Or Sublease Receipts Under Non-Cancelable Operating Leases) (Details) link:presentationLink link:calculationLink link:definitionLink 41802 - Disclosure - Discontinued Operations (Schedule Of Operating Results Of Discontinued Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 00205 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 00405 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Summary Of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Composition Of Certain Financial Statement Captions link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Goodwill And Intangible Assets link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Revolving Credit Facility link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Notes Payable And Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Financial Instruments link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Retirement Plans link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - Other Income (Expense), Net link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - Comprehensive Income And Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - Supplementary Income Statement And Cash Flow Information link:presentationLink link:calculationLink link:definitionLink 11701 - Disclosure - Business Segment Information link:presentationLink link:calculationLink link:definitionLink 11801 - Disclosure - Discontinued Operations link:presentationLink link:calculationLink link:definitionLink 11901 - Disclosure - Legal Proceedings link:presentationLink link:calculationLink link:definitionLink 12001 - Disclosure - Other Commitments And Contingencies link:presentationLink link:calculationLink link:definitionLink 12101 - Disclosure - Selected Quarterly Financial Data (Unaudited) link:presentationLink link:calculationLink link:definitionLink 20102 - Disclosure - Summary Of Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 30103 - Disclosure - Summary Of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Composition Of Certain Financial Statement Captions (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - Goodwill And Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - Notes Payable And Long-Term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 30903 - Disclosure - Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - Retirement Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 31203 - Disclosure - Other Income (Expense), Net (Tables) link:presentationLink link:calculationLink link:definitionLink 31303 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 31403 - Disclosure - Comprehensive Income And Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 31503 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 31603 - Disclosure - Supplementary Income Statement and Cash Flow Information (Tables) link:presentationLink link:calculationLink link:definitionLink 31703 - Disclosure - Business Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 31803 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 32103 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40102 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Depreciation) (Details) link:presentationLink link:calculationLink link:definitionLink 40103 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Operating Results Of Discontinued Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 40104 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Supplementary Cash Flow Information) (Details) link:presentationLink link:calculationLink link:definitionLink 40203 - Disclosure - Earnings Per Share (Schedule Of Basic And Diluted EPS) (Details) link:presentationLink link:calculationLink link:definitionLink 40204 - Disclosure - Earnings Per Share (Schedule Of Stock-Based Awards Excluded From Weighted Average Shares Outstanding) (Details) link:presentationLink link:calculationLink link:definitionLink 40401 - Disclosure - Acquisitions (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40403 - Disclosure - Acquisitions (Business Acquisition Purchase Price Allocation) (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Goodwill And Intangible Assets (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40502 - Disclosure - Goodwill And Intangible Assets (Schedule Of Changes In Goodwill By Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Revolving Credit Facility (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Notes Payable And Long-Term Debt (Schedule of Notes Payable and Other Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - Financial Instruments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40902 - Disclosure - Financial Instruments (Schedule Of Notes Payable And Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Retirement Plans (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41004 - Disclosure - Retirement Plans (Schedule Of Assumptions Used To Determine Benefit Obligations) (Details) link:presentationLink link:calculationLink link:definitionLink 41005 - Disclosure - Retirement Plans (Schedule Of Assumptions Used To Determine Net Periodic Benefit Cost) (Details) link:presentationLink link:calculationLink link:definitionLink 41006 - Disclosure - Retirement Plans - (Schedule Of Fair Value Of Plan Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - Stock-Based Compensation (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41102 - Disclosure - Stock-Based Compensation (Schedule Of Stock-Based Compensation And Related Tax Benefits Recognized) (Details) link:presentationLink link:calculationLink link:definitionLink 41103 - Disclosure - Stock-Based Compensation (Schedule Of Weighted Average Grant-Date Fair Value And Assumptions Used) (Details) link:presentationLink link:calculationLink link:definitionLink 41104 - Disclosure - Stock-Based Compensation (Schedule Of Stock Option Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 41105 - Disclosure - Stock-Based Compensation (Schedule of Cash Proceeds Received from Share-based Payment Awards) (Details) link:presentationLink link:calculationLink link:definitionLink 41106 - Disclosure - Stock-Based Compensation (Schedule Of The Options Outstanding) (Details) link:presentationLink link:calculationLink link:definitionLink 41107 - Disclosure - Stock-Based Compensation (Schedule Of Vesting Stock Award Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 41108 - Disclosure - Stock-Based Compensation (Schedule Of Performance-Based Stock Award Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41303 - Disclosure - Income Taxes (Schedule Of A Reconciliation Of The Provision For Income Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 41305 - Disclosure - Income Taxes (Schedule Of Net Deferred Tax Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 41306 - Disclosure - Income Taxes (Schedule Of Changes In Unrecognized Tax Benefits) (Details) link:presentationLink link:calculationLink link:definitionLink 41401 - Disclosure - Comprehensive Income And Accumulated Other Comprehensive Loss (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - Leases (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41601 - Disclosure - Supplementary Income Statement And Cash Flow Information (Schedule Of Supplementary Income Statement Information) (Details) link:presentationLink link:calculationLink link:definitionLink 41602 - Disclosure - Supplementary Income Statement And Cash Flow Information (Schedule Of Supplementary Cash Flow Information) (Details) link:presentationLink link:calculationLink link:definitionLink 41701 - Disclosure - Business Segment Information (Schedule Of Segment Reporting Information By Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 41702 - Disclosure - Business Segment Information (Schedule Of Total Revenue Percentages Contributable To Specific Government Agencies Comprising More Than Ten Percent) (Details) link:presentationLink link:calculationLink link:definitionLink 41801 - Disclosure - Discontinued Operations (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41901 - Disclosure - Legal Proceedings (Details) link:presentationLink link:calculationLink link:definitionLink 42001 - Disclosure - Other Commitments And Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 42101 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Details) link:presentationLink link:calculationLink link:definitionLink