2116100 - Disclosure - 2018 Impact of Accounting Method Change link:presentationLink link:calculationLink link:definitionLink 2416402 - Disclosure - 2018 Impact of Accounting Method Change (Details 1) link:presentationLink link:calculationLink link:definitionLink 2416403 - Disclosure - 2018 Impact of Accounting Method Change (Details 2) link:presentationLink link:calculationLink link:definitionLink 2416404 - Disclosure - 2018 Impact of Accounting Method Change (Details 3) link:presentationLink link:calculationLink link:definitionLink 2416405 - Disclosure - 2018 Impact of Accounting Method Change (Details 4) link:presentationLink link:calculationLink link:definitionLink 2316301 - Disclosure - 2018 Impact of Accounting Method Changes (Tables) link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - Accounts Receivable, Net link:presentationLink link:calculationLink link:definitionLink 2403402 - Disclosure - Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - Accounts Receivable, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - Acquisition of Orbital ATK link:presentationLink link:calculationLink link:definitionLink 2402405 - Disclosure - Acquisition of Orbital ATK Acquisition of Orbital ATK (Details 2) link:presentationLink link:calculationLink link:definitionLink 2402406 - Disclosure - Acquisition of Orbital ATK Acquisition of Orbital ATK (Details 3) link:presentationLink link:calculationLink link:definitionLink 2402404 - Disclosure - Acquisition of Orbital ATK (Details 1) link:presentationLink link:calculationLink link:definitionLink 2402407 - Disclosure - Acquisition of Orbital ATK Pro Forma Financial Information (Details) link:presentationLink link:calculationLink link:definitionLink 2302302 - Disclosure - Acquisition of Orbital ATK Pro Forma Financial Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2302303 - Disclosure - Acquisition of Orbital ATK Purchase Price (Tables) link:presentationLink link:calculationLink link:definitionLink 2302301 - Disclosure - Acquisition of Orbital ATK Schedule of Finite-Lived Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2411402 - Disclosure - Commitments and Contingencies (Details 1) link:presentationLink link:calculationLink link:definitionLink 2411403 - Disclosure - Commitments and Contingencies (Details 2) link:presentationLink link:calculationLink link:definitionLink 2311301 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statements of Changes in Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Statements of Earnings and Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - Consolidated Statements of Earnings and Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements of Financial Position link:presentationLink link:calculationLink link:definitionLink 1002501 - Statement - Consolidated Statements of Financial Position (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - Earnings Per Share, Share Repurchases and Dividends on Common Stock link:presentationLink link:calculationLink link:definitionLink 2402402 - Disclosure - Earnings Per Share, Share Repurchases and Dividends on Common Stock (Details 1) link:presentationLink link:calculationLink link:definitionLink 2402403 - Disclosure - Earnings Per Share, Share Repurchases and Dividends on Common Stock (Details 2) link:presentationLink link:calculationLink link:definitionLink 2302301 - Disclosure - Earnings Per Share, Share Repurchases and Dividends on Common Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - Fair Value of Financial Instruments (Details 1) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - Fair Value of Financial Instruments (Details 2) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - Fair Value of Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Goodwill and Other Purchased Intangible Assets link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Goodwill and Other Purchased Intangible Assets (Details 1) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Goodwill and Other Purchased Intangible Assets (Details 2) link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Goodwill and Other Purchased Intangible Assets (Details 3) link:presentationLink link:calculationLink link:definitionLink 2407405 - Disclosure - Goodwill and Other Purchased Intangible Assets Goodwill and Other Purchased Intangible Assets (Details 4) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Goodwill and Other Purchased Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Income Taxes (Details 1) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Income Taxes (Details 2) link:presentationLink link:calculationLink link:definitionLink 2406404 - Disclosure - Income Taxes (Details 3) link:presentationLink link:calculationLink link:definitionLink 2406405 - Disclosure - Income Taxes (Details 4) link:presentationLink link:calculationLink link:definitionLink 2406406 - Disclosure - Income Taxes (Details 5) link:presentationLink link:calculationLink link:definitionLink 2406407 - Disclosure - Income Taxes (Details 6) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - Inventoried Costs, Net link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - Inventoried Costs, Net (Details) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Inventoried Costs, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Investigations, Claims and Litigation link:presentationLink link:calculationLink link:definitionLink 2410401 - Disclosure - Investigations, Claims and Litigation Investigations, Claims and Litigation (Details) link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Long-Term Debt (Details 1) link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - Long-Term Debt (Details 2) link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - Long-Term Debt (Details 3) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - Long-Term Debt (Details 4) link:presentationLink link:calculationLink link:definitionLink 2309301 - Disclosure - Long-Term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2117100 - Disclosure - Recast 2017 and 2016 Financial Information link:presentationLink link:calculationLink link:definitionLink 2417402 - Disclosure - Recast 2017 and 2016 Financial Information (Details 1) link:presentationLink link:calculationLink link:definitionLink 2417403 - Disclosure - Recast 2017 and 2016 Financial Information (Details 2) link:presentationLink link:calculationLink link:definitionLink 2417404 - Disclosure - Recast 2017 and 2016 Financial Information (Details 3) link:presentationLink link:calculationLink link:definitionLink 2417405 - Disclosure - Recast 2017 and 2016 Financial Information (Details 4) link:presentationLink link:calculationLink link:definitionLink 2317301 - Disclosure - Recast 2017 and 2016 Financial Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Retirement Benefits link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - Retirement Benefits (Details 1) link:presentationLink link:calculationLink link:definitionLink 2412403 - Disclosure - Retirement Benefits (Details 2) link:presentationLink link:calculationLink link:definitionLink 2412404 - Disclosure - Retirement Benefits (Details 3) link:presentationLink link:calculationLink link:definitionLink 2412405 - Disclosure - Retirement Benefits (Details 4) link:presentationLink link:calculationLink link:definitionLink 2412406 - Disclosure - Retirement Benefits (Details 5) link:presentationLink link:calculationLink link:definitionLink 2412407 - Disclosure - Retirement Benefits (Details 6) link:presentationLink link:calculationLink link:definitionLink 2412408 - Disclosure - Retirement Benefits (Details 7) link:presentationLink link:calculationLink link:definitionLink 2412409 - Disclosure - Retirement Benefits (Details 8) link:presentationLink link:calculationLink link:definitionLink 2412410 - Disclosure - Retirement Benefits (Details 9) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - Retirement Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 2114100 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 2414402 - Disclosure - Segment Information (Details 1) link:presentationLink link:calculationLink link:definitionLink 2414403 - Disclosure - Segment Information (Details 2) link:presentationLink link:calculationLink link:definitionLink 2414404 - Disclosure - Segment Information (Details 3) link:presentationLink link:calculationLink link:definitionLink 2414405 - Disclosure - Segment Information (Details 4) link:presentationLink link:calculationLink link:definitionLink 2414406 - Disclosure - Segment Information (Details 5) link:presentationLink link:calculationLink link:definitionLink 2414407 - Disclosure - Segment Information (Details 6) link:presentationLink link:calculationLink link:definitionLink 2414408 - Disclosure - Segment Information (Details 7) link:presentationLink link:calculationLink link:definitionLink 2314301 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Stock Compensation Plans and Other Compensation Arrangements link:presentationLink link:calculationLink link:definitionLink 2413402 - Disclosure - Stock Compensation Plans and Other Compensation Arrangements (Details 1) link:presentationLink link:calculationLink link:definitionLink 2413403 - Disclosure - Stock Compensation Plans and Other Compensation Arrangements (Details 2) link:presentationLink link:calculationLink link:definitionLink 2413404 - Disclosure - Stock Compensation Plans and Other Compensation Arrangements (Details 3) link:presentationLink link:calculationLink link:definitionLink 2313301 - Disclosure - Stock Compensation Plans and Other Compensation Arrangements (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2401403 - Disclosure - Summary of Significant Accounting Policies (Details 1) link:presentationLink link:calculationLink link:definitionLink 2401404 - Disclosure - Summary of Significant Accounting Policies (Details 2) link:presentationLink link:calculationLink link:definitionLink 2401405 - Disclosure - Summary of Significant Accounting Policies (Details 3) link:presentationLink link:calculationLink link:definitionLink 2401406 - Disclosure - Summary of Significant Accounting Policies (Details 4) link:presentationLink link:calculationLink link:definitionLink 2201201 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2401407 - Disclosure - Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details 5) link:presentationLink link:calculationLink link:definitionLink 2401408 - Disclosure - Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details 6) link:presentationLink link:calculationLink link:definitionLink 2301302 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2115100 - Disclosure - Unaudited Selected Quarterly Data link:presentationLink link:calculationLink link:definitionLink 2415402 - Disclosure - Unaudited Selected Quarterly Data (Details) link:presentationLink link:calculationLink link:definitionLink 2315301 - Disclosure - Unaudited Selected Quarterly Data (Tables) link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - Unbilled Receivables, Net link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Unbilled Receivables, Net (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Unbilled Receivables, Net (Tables) link:presentationLink link:calculationLink link:definitionLink