2104100 - Disclosure - Accounting Standards link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Accounting Standards (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Accounting Standards (Tables) link:presentationLink link:calculationLink link:definitionLink 2151100 - Disclosure - Accumulated Other Comprehensive (Loss) Income link:presentationLink link:calculationLink link:definitionLink 2451402 - Disclosure - Accumulated Other Comprehensive (Loss) Income (Detail) link:presentationLink link:calculationLink link:definitionLink 2351301 - Disclosure - Accumulated Other Comprehensive (Loss) Income (Tables) link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 2411404 - Disclosure - Acquisitions (Assets and Liabilities Acquired) (Details) link:presentationLink link:calculationLink link:definitionLink 2411405 - Disclosure - Acquisitions (Intangibles acquired) (Details) link:presentationLink link:calculationLink link:definitionLink 2411402 - Disclosure - Acquisitions (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2411406 - Disclosure - Acquisitions (Pro Forma Information) (Details) link:presentationLink link:calculationLink link:definitionLink 2411403 - Disclosure - Acquisitions (Schedule of Purchase Price Allocations Related to Acquisitions) (Detail) link:presentationLink link:calculationLink link:definitionLink 2311301 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 2463403 - Disclosure - Business Segment Information - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2163100 - Disclosure - Business Segments link:presentationLink link:calculationLink link:definitionLink 2463404 - Disclosure - Business Segments (Schedule of Total Revenue Percentages Contributable to Specific Government Agencies) (Detail) link:presentationLink link:calculationLink link:definitionLink 2363301 - Disclosure - Business Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 2166100 - Disclosure - Commitments link:presentationLink link:calculationLink link:definitionLink 2466401 - Disclosure - Commitments - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2153100 - Disclosure - Composition of Certain Financial Statement Captions link:presentationLink link:calculationLink link:definitionLink 2453402 - Disclosure - Composition of Certain Financial Statement Captions (Schedule of Certain Financial Statement Captions) (Detail) link:presentationLink link:calculationLink link:definitionLink 2353301 - Disclosure - Composition of Certain Financial Statement Captions (Tables) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005000 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements Of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statements Of Equity link:presentationLink link:calculationLink link:definitionLink 1004501 - Statement - Consolidated Statements Of Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements Of Income link:presentationLink link:calculationLink link:definitionLink 2165100 - Disclosure - Contingencies link:presentationLink link:calculationLink link:definitionLink 2465401 - Disclosure - Contingencies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Contract Asset and Liabilities link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Contract Asset and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Contract Asset and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 2147100 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2447403 - Disclosure - Debt - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2447405 - Disclosure - Debt (Revolving Credit Facility) (Detail) link:presentationLink link:calculationLink link:definitionLink 2447404 - Disclosure - Debt (Schedule of Maturities of Notes Payable and Long-Term Debt) (Detail) link:presentationLink link:calculationLink link:definitionLink 2447404 - Disclosure - Debt (Schedule of Maturities of Notes Payable and Long-Term Debt) (Detail) link:presentationLink link:calculationLink link:definitionLink 2447402 - Disclosure - Debt (Summary of debt) (Detail) link:presentationLink link:calculationLink link:definitionLink 2347301 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2145100 - Disclosure - Derivative Instruments link:presentationLink link:calculationLink link:definitionLink 2445403 - Disclosure - Derivative Instruments and Hedging Activities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2345301 - Disclosure - Derivative Instruments and Hedging Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 2445405 - Disclosure - Derivative Instruments (Effect of Cash Flow Hedge ) (Details) link:presentationLink link:calculationLink link:definitionLink 2445402 - Disclosure - Derivative Instruments (Interest rate swaps) (Details) link:presentationLink link:calculationLink link:definitionLink 2445404 - Disclosure - Derivative Instruments (Long term debt) (Details) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Divestitures link:presentationLink link:calculationLink link:definitionLink 2412403 - Disclosure - Divestitures - (Additional Information) (Detail) link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - Divestitures (Discontinued Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - Divestitures (Tables) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2356301 - Disclosure - Earnings (Loss) Per Share (EPS) (Tables) link:presentationLink link:calculationLink link:definitionLink 2156100 - Disclosure - Earnings Per Share (EPS) link:presentationLink link:calculationLink link:definitionLink 2456402 - Disclosure - Earnings Per Share (EPS) (Reconciliation of Weighted Average Number of Shares Outstanding) (Details) link:presentationLink link:calculationLink link:definitionLink 2456403 - Disclosure - Earnings Per Share (EPS) (Schedule of Stock-Based Awards Excluded from Weighted Average Shares Outstanding) (Detail) link:presentationLink link:calculationLink link:definitionLink 2456404 - Disclosure - Earnings Per Share (EPS) (Shares Repurchased) (Details) link:presentationLink link:calculationLink link:definitionLink 2131100 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2431402 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 2331301 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2121100 - Disclosure - Goodwill link:presentationLink link:calculationLink link:definitionLink 2421402 - Disclosure - Goodwill (Schedule of Changes in Goodwill by Segment) (Detail) link:presentationLink link:calculationLink link:definitionLink 2321301 - Disclosure - Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 2159100 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2459402 - Disclosure - Income Taxes - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2459406 - Disclosure - Income Taxes (Schedule of Balance Sheet) (Details) link:presentationLink link:calculationLink link:definitionLink 2459407 - Disclosure - Income Taxes (Schedule of Changes in Unrecognized Tax Benefits) (Detail) link:presentationLink link:calculationLink link:definitionLink 2459405 - Disclosure - Income Taxes (Schedule Of Deferred Tax Assets (Liabilities)) (Detail) link:presentationLink link:calculationLink link:definitionLink 2459403 - Disclosure - Income Taxes (Schedule of Provision for Income Taxes) (Detail) link:presentationLink link:calculationLink link:definitionLink 2459404 - Disclosure - Income Taxes (Schedule of Reconciliation of Provision for Income Taxes) (Detail) link:presentationLink link:calculationLink link:definitionLink 2359301 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2124100 - Disclosure - Intangible Assets link:presentationLink link:calculationLink link:definitionLink 2424404 - Disclosure - Intangible Assets (Amortization of Intangibles) (Details) link:presentationLink link:calculationLink link:definitionLink 2424402 - Disclosure - Intangible Assets (Components of Intangibles) (Details) link:presentationLink link:calculationLink link:definitionLink 2424402 - Disclosure - Intangible Assets (Components of Intangibles) (Details) link:presentationLink link:calculationLink link:definitionLink 2424403 - Disclosure - Intangible Assets (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2324301 - Disclosure - Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2161100 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 2461404 - Disclosure - Leases - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2461405 - Disclosure - Leases (Sale and Leaseback Agreements) (Details) link:presentationLink link:calculationLink link:definitionLink 2461403 - Disclosure - Leases (Schedule of Future Minimum Lease Commitments and Sublease Receipts under Non-Cancelable Operating Leases) (Detail) link:presentationLink link:calculationLink link:definitionLink 2461402 - Disclosure - Leases (Schedule of Rental Expense for Facilities and Equipment) (Detail) link:presentationLink link:calculationLink link:definitionLink 2361301 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Nature of Operations and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 2401401 - Disclosure - Nature of Operations and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 2125100 - Disclosure - Property Plant and Equipment link:presentationLink link:calculationLink link:definitionLink 2425402 - Disclosure - Property Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 2325301 - Disclosure - Property Plant and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 2116100 - Disclosure - Receivables link:presentationLink link:calculationLink link:definitionLink 2416402 - Disclosure - Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 2316301 - Disclosure - Receivables (Tables) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Restructuring Expenses link:presentationLink link:calculationLink link:definitionLink 2413402 - Disclosure - Restructuring Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 2313301 - Disclosure - Restructuring Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 2160100 - Disclosure - Retirement Plans link:presentationLink link:calculationLink link:definitionLink 2460401 - Disclosure - Retirement Plans - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - Revenues link:presentationLink link:calculationLink link:definitionLink 2406404 - Disclosure - Revenues (Disaggregation of revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Revenues (Dual Reporting) (Details) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Revenues (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - Revenues (Tables) link:presentationLink link:calculationLink link:definitionLink 2463402 - Disclosure - Schedule of Segment Reporting Information by Segment (Detail) link:presentationLink link:calculationLink link:definitionLink 2158100 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 2458402 - Disclosure - Stock-Based Compensation - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2458408 - Disclosure - Stock-Based Compensation (Restricted Stock Units and Awards) (Details) link:presentationLink link:calculationLink link:definitionLink 2458410 - Disclosure - Stock-Based Compensation (Schedule of Performance-Based Stock Award Activity) (Detail) link:presentationLink link:calculationLink link:definitionLink 2458409 - Disclosure - Stock-Based Compensation (Schedule of RSU and PSU Activity) (Detail) link:presentationLink link:calculationLink link:definitionLink 2458403 - Disclosure - Stock-Based Compensation (Schedule of Stock-Based Compensation and Related Tax Benefits Recognized) (Detail) link:presentationLink link:calculationLink link:definitionLink 2458407 - Disclosure - Stock-Based Compensation (Schedule of Stock Option Activity) (Detail) link:presentationLink link:calculationLink link:definitionLink 2458405 - Disclosure - Stock-Based Compensation (Schedule of Weighted Average Grant-Date Fair Value and Assumptions Used) (Detail) link:presentationLink link:calculationLink link:definitionLink 2458406 - Disclosure - Stock-Based Compensation (Special dividend) (Details) link:presentationLink link:calculationLink link:definitionLink 2458404 - Disclosure - Stock-Based Compensation (Stock options) (Details) link:presentationLink link:calculationLink link:definitionLink 2358301 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 2167100 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 2467401 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2405404 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2405403 - Disclosure - Summary of Significant Accounting Policies (Changes in Estimates on Contracts) (Details) link:presentationLink link:calculationLink link:definitionLink 2405405 - Disclosure - Summary of Significant Accounting Policies (Intangibles) (Details) link:presentationLink link:calculationLink link:definitionLink 2205201 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2405406 - Disclosure - Summary of Significant Accounting Policies - Schedule of Depreciation using Estimated Useful Lives (Detail) link:presentationLink link:calculationLink link:definitionLink 2305302 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2162100 - Disclosure - Supplementary Cash Flow Information link:presentationLink link:calculationLink link:definitionLink 2462402 - Disclosure - Supplementary Cash Flow Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2362301 - Disclosure - Supplementary Cash Flow Information (Tables) link:presentationLink link:calculationLink link:definitionLink