3.10.0.1 html 446 543 1 true 113 0 false 13 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.lsccom.com/20171231/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF OPERATIONS Sheet http://www.lsccom.com/20171231/taxonomy/role/StatementCONSOLIDATEDANDCOMBINEDSTATEMENTSOFOPERATIONS CONSOLIDATED AND COMBINED STATEMENTS OF OPERATIONS Statements 2 false false R3.htm 100020 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME Sheet http://www.lsccom.com/20171231/taxonomy/role/StatementCONSOLIDATEDANDCOMBINEDSTATEMENTSOFCOMPREHENSIVEINCOME CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME Statements 3 false false R4.htm 100030 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) Sheet http://www.lsccom.com/20171231/taxonomy/role/StatementCONSOLIDATEDANDCOMBINEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) Statements 4 false false R5.htm 100040 - Statement - CONSOLIDATED AND COMBINED BALANCE SHEETS Sheet http://www.lsccom.com/20171231/taxonomy/role/StatementCONSOLIDATEDANDCOMBINEDBALANCESHEETS CONSOLIDATED AND COMBINED BALANCE SHEETS Statements 5 false false R6.htm 100050 - Statement - CONSOLIDATED AND COMBINED BALANCE SHEETS (Parenthetical) Sheet http://www.lsccom.com/20171231/taxonomy/role/StatementCONSOLIDATEDANDCOMBINEDBALANCESHEETSParenthetical CONSOLIDATED AND COMBINED BALANCE SHEETS (Parenthetical) Statements 6 false false R7.htm 100060 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF CASH FLOWS Sheet http://www.lsccom.com/20171231/taxonomy/role/StatementCONSOLIDATEDANDCOMBINEDSTATEMENTSOFCASHFLOWS CONSOLIDATED AND COMBINED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 100070 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF CASH FLOWS (Parenthetical) Sheet http://www.lsccom.com/20171231/taxonomy/role/StatementCONSOLIDATEDANDCOMBINEDSTATEMENTSOFCASHFLOWSParenthetical CONSOLIDATED AND COMBINED STATEMENTS OF CASH FLOWS (Parenthetical) Statements 8 false false R9.htm 100080 - Statement - CONSOLIDATED AND COMBINED STATEMENTS OF STOCKHOLDERS' EQUITY Sheet http://www.lsccom.com/20171231/taxonomy/role/StatementCONSOLIDATEDANDCOMBINEDSTATEMENTSOFSTOCKHOLDERSEQUITY CONSOLIDATED AND COMBINED STATEMENTS OF STOCKHOLDERS' EQUITY Statements 9 false false R10.htm 100090 - Disclosure - Overview and Basis of Presentation Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureOverviewAndBasisOfPresentation Overview and Basis of Presentation Notes 10 false false R11.htm 100100 - Disclosure - Significant Accounting Policies Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSignificantAccountingPolicies Significant Accounting Policies Notes 11 false false R12.htm 100110 - Disclosure - Business Combinations Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinations Business Combinations Notes 12 false false R13.htm 100120 - Disclosure - Accounts Receivable Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureAccountsReceivable Accounts Receivable Notes 13 false false R14.htm 100130 - Disclosure - Inventories Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureInventories Inventories Notes 14 false false R15.htm 100140 - Disclosure - Property, Plant and Equipment Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosurePropertyPlantAndEquipment Property, Plant and Equipment Notes 15 false false R16.htm 100150 - Disclosure - Goodwill and Other Intangible Assets Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssets Goodwill and Other Intangible Assets Notes 16 false false R17.htm 100160 - Disclosure - Restructuring, Impairment and Other Charges Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherCharges Restructuring, Impairment and Other Charges Notes 17 false false R18.htm 100170 - Disclosure - Accrued Liabilities Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureAccruedLiabilities Accrued Liabilities Notes 18 false false R19.htm 100180 - Disclosure - Commitments and Contingencies Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 19 false false R20.htm 100190 - Disclosure - Debt Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureDebt Debt Notes 20 false false R21.htm 100200 - Disclosure - Earnings per Share Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureEarningsPerShare Earnings per Share Notes 21 false false R22.htm 100210 - Disclosure - Retirement Plans Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlans Retirement Plans Notes 22 false false R23.htm 100220 - Disclosure - Income Taxes Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxes Income Taxes Notes 23 false false R24.htm 100230 - Disclosure - Comprehensive Income Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureComprehensiveIncome Comprehensive Income Notes 24 false false R25.htm 100240 - Disclosure - Stock and Incentive Programs Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentivePrograms Stock and Incentive Programs Notes 25 false false R26.htm 100250 - Disclosure - Segment Information Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSegmentInformation Segment Information Notes 26 false false R27.htm 100260 - Disclosure - Geographic Areas Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGeographicAreas Geographic Areas Notes 27 false false R28.htm 100270 - Disclosure - Related Parties Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRelatedParties Related Parties Notes 28 false false R29.htm 100280 - Disclosure - New Accounting Pronouncements Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureNewAccountingPronouncements New Accounting Pronouncements Notes 29 false false R30.htm 100290 - Disclosure - Subsequent Events Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSubsequentEvents Subsequent Events Notes 30 false false R31.htm 100300 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSignificantAccountingPoliciesPolicies Significant Accounting Policies (Policies) Policies http://www.lsccom.com/20171231/taxonomy/role/DisclosureSignificantAccountingPolicies 31 false false R32.htm 100310 - Disclosure - Business Combinations (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinationsTables Business Combinations (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinations 32 false false R33.htm 100320 - Disclosure - Accounts Receivable (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureAccountsReceivableTables Accounts Receivable (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureAccountsReceivable 33 false false R34.htm 100330 - Disclosure - Inventories (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureInventoriesTables Inventories (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureInventories 34 false false R35.htm 100340 - Disclosure - Property, Plant and Equipment (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosurePropertyPlantAndEquipmentTables Property, Plant and Equipment (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosurePropertyPlantAndEquipment 35 false false R36.htm 100350 - Disclosure - Goodwill and Other Intangible Assets (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsTables Goodwill and Other Intangible Assets (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssets 36 false false R37.htm 100360 - Disclosure - Restructuring, Impairment and Other Charges (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherChargesTables Restructuring, Impairment and Other Charges (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherCharges 37 false false R38.htm 100370 - Disclosure - Accrued Liabilities (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureAccruedLiabilitiesTables Accrued Liabilities (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureAccruedLiabilities 38 false false R39.htm 100380 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingencies 39 false false R40.htm 100390 - Disclosure - Debt (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureDebtTables Debt (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureDebt 40 false false R41.htm 100400 - Disclosure - Earnings Per Share (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureEarningsPerShareTables Earnings Per Share (Tables) Tables 41 false false R42.htm 100410 - Disclosure - Retirement Plans (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansTables Retirement Plans (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlans 42 false false R43.htm 100420 - Disclosure - Income Taxes (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxes 43 false false R44.htm 100430 - Disclosure - Comprehensive Income (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureComprehensiveIncomeTables Comprehensive Income (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureComprehensiveIncome 44 false false R45.htm 100440 - Disclosure - Stock and Incentive Programs (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsTables Stock and Incentive Programs (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentivePrograms 45 false false R46.htm 100450 - Disclosure - Segment Information (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSegmentInformationTables Segment Information (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureSegmentInformation 46 false false R47.htm 100460 - Disclosure - Geographic Areas (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGeographicAreasTables Geographic Areas (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureGeographicAreas 47 false false R48.htm 100470 - Disclosure - Related Parties (Tables) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRelatedPartiesTables Related Parties (Tables) Tables http://www.lsccom.com/20171231/taxonomy/role/DisclosureRelatedParties 48 false false R49.htm 100480 - Disclosure - Overview and Basis of Presentation - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureOverviewAndBasisOfPresentationNarrativeDetail Overview and Basis of Presentation - Narrative (Detail) Details 49 false false R50.htm 100490 - Disclosure - Significant Accounting Policies - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSignificantAccountingPoliciesNarrativeDetail Significant Accounting Policies - Narrative (Detail) Details 50 false false R51.htm 100500 - Disclosure - Business Combinations - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinationsNarrativeDetail Business Combinations - Narrative (Detail) Details 51 false false R52.htm 100510 - Disclosure - Business Combinations and Disposition - Summary of Segments and Reporting Units where Acquisitions are Included (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinationsAndDispositionSummaryOfSegmentsAndReportingUnitsWhereAcquisitionsAreIncludedDetail Business Combinations and Disposition - Summary of Segments and Reporting Units where Acquisitions are Included (Detail) Details 52 false false R53.htm 100520 - Disclosure - Business Combinations - Schedule of Purchase Price Allocation for Acquisitions (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinationsScheduleOfPurchasePriceAllocationForAcquisitionsDetail Business Combinations - Schedule of Purchase Price Allocation for Acquisitions (Detail) Details 53 false false R54.htm 100530 - Disclosure - Business Combinations and Disposition - Summary of Impairment Charges Related to Reporting Units (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinationsAndDispositionSummaryOfImpairmentChargesRelatedToReportingUnitsDetail Business Combinations and Disposition - Summary of Impairment Charges Related to Reporting Units (Detail) Details 54 false false R55.htm 100540 - Disclosure - Business Combinations - Fair Value, Valuation Techniques and Related Unobservable Inputs (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinationsFairValueValuationTechniquesAndRelatedUnobservableInputsDetail Business Combinations - Fair Value, Valuation Techniques and Related Unobservable Inputs (Detail) Details 55 false false R56.htm 100550 - Disclosure - Business Combinations - Pro Forma Financial Information (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinationsProFormaFinancialInformationDetail Business Combinations - Pro Forma Financial Information (Detail) Details 56 false false R57.htm 100560 - Disclosure - Business Combinations - Nonrecurring Pro Forma Adjustments Affecting Net Income (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureBusinessCombinationsNonrecurringProFormaAdjustmentsAffectingNetIncomeDetail Business Combinations - Nonrecurring Pro Forma Adjustments Affecting Net Income (Detail) Details 57 false false R58.htm 100570 - Disclosure - Accounts Receivable - Transactions Affecting Allowance for Doubtful Accounts (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureAccountsReceivableTransactionsAffectingAllowanceForDoubtfulAccountsDetail Accounts Receivable - Transactions Affecting Allowance for Doubtful Accounts (Detail) Details 58 false false R59.htm 100580 - Disclosure - Inventories - Components of the Company's Inventories (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureInventoriesComponentsOfCompanySInventoriesDetail Inventories - Components of the Company's Inventories (Detail) Details 59 false false R60.htm 100590 - Disclosure - Inventories - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureInventoriesNarrativeDetail Inventories - Narrative (Detail) Details 60 false false R61.htm 100600 - Disclosure - Property, Plant and Equipment - Components of Property, Plant and Equipment (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosurePropertyPlantAndEquipmentComponentsOfPropertyPlantAndEquipmentDetail Property, Plant and Equipment - Components of Property, Plant and Equipment (Detail) Details 61 false false R62.htm 100610 - Disclosure - Property, Plant and Equipment - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosurePropertyPlantAndEquipmentNarrativeDetail Property, Plant and Equipment - Narrative (Detail) Details 62 false false R63.htm 100620 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Changes in the Carrying Amount of Goodwill (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfChangesInCarryingAmountOfGoodwillDetail Goodwill and Other Intangible Assets - Schedule of Changes in the Carrying Amount of Goodwill (Detail) Details 63 false false R64.htm 100630 - Disclosure - Goodwill and Other Intangible Assets - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsNarrativeDetail Goodwill and Other Intangible Assets - Narrative (Detail) Details 64 false false R65.htm 100640 - Disclosure - Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsComponentsOfOtherIntangibleAssetsDetail Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Detail) Details 65 false false R66.htm 100650 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets Additions by Component (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfOtherIntangibleAssetsAdditionsByComponentDetail Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets Additions by Component (Detail) Details 66 false false R67.htm 100660 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Estimated Annual Amortization Expense Related to Other Intangible Assets (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfEstimatedAnnualAmortizationExpenseRelatedToOtherIntangibleAssetsDetail Goodwill and Other Intangible Assets - Schedule of Estimated Annual Amortization Expense Related to Other Intangible Assets (Detail) Details 67 false false R68.htm 100670 - Disclosure - Restructuring, Impairment and Other Charges - Schedule of Net Restructuring, Impairment and Other Charges (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherChargesScheduleOfNetRestructuringImpairmentAndOtherChargesDetail Restructuring, Impairment and Other Charges - Schedule of Net Restructuring, Impairment and Other Charges (Detail) Details 68 false false R69.htm 100680 - Disclosure - Restructuring, Impairment and Other Charges - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherChargesNarrativeDetail Restructuring, Impairment and Other Charges - Narrative (Detail) Details 69 false false R70.htm 100690 - Disclosure - Restructuring, Impairment and Other Charges - Schedule of Net Impairment Charges (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherChargesScheduleOfNetImpairmentChargesDetail Restructuring, Impairment and Other Charges - Schedule of Net Impairment Charges (Detail) Details 70 false false R71.htm 100700 - Disclosure - Restructuring, Impairment and Other Charges - Assets Measured at Fair Value on a Nonrecurring Basis (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherChargesAssetsMeasuredAtFairValueOnNonrecurringBasisDetail Restructuring, Impairment and Other Charges - Assets Measured at Fair Value on a Nonrecurring Basis (Detail) Details 71 false false R72.htm 100710 - Disclosure - Restructuring, Impairment and Other Charges - Summary of Fair Value, Valuation Techniques and Related Unobservable Inputs for Level 3 Measurements (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherChargesSummaryOfFairValueValuationTechniquesAndRelatedUnobservableInputsForLevel3MeasurementsDetail Restructuring, Impairment and Other Charges - Summary of Fair Value, Valuation Techniques and Related Unobservable Inputs for Level 3 Measurements (Detail) Details 72 false false R73.htm 100720 - Disclosure - Restructuring, Impairment and Other Charges - Other Charges - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherChargesOtherChargesNarrativeDetail Restructuring, Impairment and Other Charges - Other Charges - Narrative (Detail) Details 73 false false R74.htm 100730 - Disclosure - Restructuring, Impairment and Other Charges - Schedule of Changes in the Restructuring Reserve (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherChargesScheduleOfChangesInRestructuringReserveDetail Restructuring, Impairment and Other Charges - Schedule of Changes in the Restructuring Reserve (Detail) Details 74 false false R75.htm 100740 - Disclosure - Restructuring, Impairment and Other Charges - Restructuring Reserve - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRestructuringImpairmentAndOtherChargesRestructuringReserveNarrativeDetail Restructuring, Impairment and Other Charges - Restructuring Reserve - Narrative (Detail) Details 75 false false R76.htm 100750 - Disclosure - Accrued Liabilities - Components of Accrued Liabilities (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureAccruedLiabilitiesComponentsOfAccruedLiabilitiesDetail Accrued Liabilities - Components of Accrued Liabilities (Detail) Details 76 false false R77.htm 100760 - Disclosure - Commitments and Contingencies - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingenciesNarrativeDetail Commitments and Contingencies - Narrative (Detail) Details 77 false false R78.htm 100770 - Disclosure - Commitments and Contingencies - Future Minimum Rental Commitments Under Operating Leases (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingenciesFutureMinimumRentalCommitmentsUnderOperatingLeasesDetail Commitments and Contingencies - Future Minimum Rental Commitments Under Operating Leases (Detail) Details 78 false false R79.htm 100780 - Disclosure - Debt - Schedule of the Company's Debt Obligations (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureDebtScheduleOfCompanySDebtObligationsDetail Debt - Schedule of the Company's Debt Obligations (Detail) Details 79 false false R80.htm 100800 - Disclosure - Debt - Schedule of the Company's Debt (Parenthetical) (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureDebtScheduleOfCompanySDebtParentheticalDetail Debt - Schedule of the Company's Debt (Parenthetical) (Detail) Details 80 false false R81.htm 100810 - Disclosure - Debt - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureDebtNarrativeDetail Debt - Narrative (Detail) Details 81 false false R82.htm 100820 - Disclosure - Debt - Future Maturities Of Debt (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureDebtFutureMaturitiesOfDebtDetail Debt - Future Maturities Of Debt (Detail) Details 82 false false R83.htm 100830 - Disclosure - Debt - Future Maturities Of Debt (Parenthetical) (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureDebtFutureMaturitiesOfDebtParentheticalDetail Debt - Future Maturities Of Debt (Parenthetical) (Detail) Details 83 false false R84.htm 100840 - Disclosure - Debt - Summary Of Interest Expense (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureDebtSummaryOfInterestExpenseDetail Debt - Summary Of Interest Expense (Detail) Details 84 false false R85.htm 100850 - Disclosure - Earnings Per Share - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureEarningsPerShareNarrativeDetail Earnings Per Share - Narrative (Detail) Details 85 false false R86.htm 100860 - Disclosure - Earnings Per Share - Calculation of Basic and Diluted EPS as Well as Reconciliation of Basic Shares to Diluted Shares (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureEarningsPerShareCalculationOfBasicAndDilutedEPSAsWellAsReconciliationOfBasicSharesToDilutedSharesDetail Earnings Per Share - Calculation of Basic and Diluted EPS as Well as Reconciliation of Basic Shares to Diluted Shares (Detail) Details 86 false false R87.htm 100870 - Disclosure - Retirement Plans - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansNarrativeDetail Retirement Plans - Narrative (Detail) Details 87 false false R88.htm 100880 - Disclosure - Retirement Plans - Summary of Financial Information Regarding Qualified, Non-Qualified and Internationals Plans (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansSummaryOfFinancialInformationRegardingQualifiedNonQualifiedAndInternationalsPlansDetail Retirement Plans - Summary of Financial Information Regarding Qualified, Non-Qualified and Internationals Plans (Detail) Details 88 false false R89.htm 100890 - Disclosure - Retirement Plans - Reconciliation of Benefit Obligation, Plan Assets and Unfunded Status of Plans (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansReconciliationOfBenefitObligationPlanAssetsAndUnfundedStatusOfPlansDetail Retirement Plans - Reconciliation of Benefit Obligation, Plan Assets and Unfunded Status of Plans (Detail) Details 89 false false R90.htm 100900 - Disclosure - Retirement Plans - Amounts Recognized on Consolidated Balance Sheets (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansAmountsRecognizedOnConsolidatedBalanceSheetsDetail Retirement Plans - Amounts Recognized on Consolidated Balance Sheets (Detail) Details 90 false false R91.htm 100910 - Disclosure - Retirement Plans - Amounts in Accumulated Other Comprehensive Loss (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansAmountsInAccumulatedOtherComprehensiveLossDetail Retirement Plans - Amounts in Accumulated Other Comprehensive Loss (Detail) Details 91 false false R92.htm 100920 - Disclosure - Retirement Plans - Amounts Recognized in Other Comprehensive Loss (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansAmountsRecognizedInOtherComprehensiveLossDetail Retirement Plans - Amounts Recognized in Other Comprehensive Loss (Detail) Details 92 false false R93.htm 100930 - Disclosure - Retirement Plans - Amounts in Accumulated Other Comprehensive Loss Expected to be Recognized Next Fiscal Year (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansAmountsInAccumulatedOtherComprehensiveLossExpectedToBeRecognizedNextFiscalYearDetail Retirement Plans - Amounts in Accumulated Other Comprehensive Loss Expected to be Recognized Next Fiscal Year (Detail) Details 93 false false R94.htm 100940 - Disclosure - Retirement Plans - Weighted-Average Assumptions Used to Determine Net Benefit Obligation (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansWeightedAverageAssumptionsUsedToDetermineNetBenefitObligationDetail Retirement Plans - Weighted-Average Assumptions Used to Determine Net Benefit Obligation (Detail) Details 94 false false R95.htm 100950 - Disclosure - Retirement Plans - Summary of Projected Benefit Obligations in Excess of Plan Assets (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansSummaryOfProjectedBenefitObligationsInExcessOfPlanAssetsDetail Retirement Plans - Summary of Projected Benefit Obligations in Excess of Plan Assets (Detail) Details 95 false false R96.htm 100960 - Disclosure - Retirement Plans - Accumulated Benefit Obligations in Excess of Plan Assets (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansAccumulatedBenefitObligationsInExcessOfPlanAssetsDetail Retirement Plans - Accumulated Benefit Obligations in Excess of Plan Assets (Detail) Details 96 false false R97.htm 100970 - Disclosure - Retirement Plans - Expected Benefit Payments (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansExpectedBenefitPaymentsDetail Retirement Plans - Expected Benefit Payments (Detail) Details 97 false false R98.htm 100980 - Disclosure - Retirement Plans - Allocation of Plan Assets, Pension Plan (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansAllocationOfPlanAssetsPensionPlanDetail Retirement Plans - Allocation of Plan Assets, Pension Plan (Detail) Details 98 false false R99.htm 100990 - Disclosure - Retirement Plans - Schedule of Multiemployer Pension Plan (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRetirementPlansScheduleOfMultiemployerPensionPlanDetail Retirement Plans - Schedule of Multiemployer Pension Plan (Detail) Details 99 false false R100.htm 101000 - Disclosure - Income Taxes - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxesNarrativeDetail Income Taxes - Narrative (Detail) Details 100 false false R101.htm 101010 - Disclosure - Income Taxes - Components of Earnings from Operations Before Income Taxes (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxesComponentsOfEarningsFromOperationsBeforeIncomeTaxesDetail Income Taxes - Components of Earnings from Operations Before Income Taxes (Detail) Details 101 false false R102.htm 101020 - Disclosure - Income Taxes - Components of Income Tax Expense (Benefit) From Operations (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxesComponentsOfIncomeTaxExpenseBenefitFromOperationsDetail Income Taxes - Components of Income Tax Expense (Benefit) From Operations (Detail) Details 102 false false R103.htm 101030 - Disclosure - Income Taxes - Reconciliation From Federal Statutory Tax Rate to Effective Tax Rate (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxesReconciliationFromFederalStatutoryTaxRateToEffectiveTaxRateDetail Income Taxes - Reconciliation From Federal Statutory Tax Rate to Effective Tax Rate (Detail) Details 103 false false R104.htm 101040 - Disclosure - Income Taxes - Schedule of Significant Deferred Tax Assets And Liabilities (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxesScheduleOfSignificantDeferredTaxAssetsAndLiabilitiesDetail Income Taxes - Schedule of Significant Deferred Tax Assets And Liabilities (Detail) Details 104 false false R105.htm 101050 - Disclosure - Income Taxes - Schedule of Transactions Affecting Valuation Allowance on Deferred Tax Assets (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxesScheduleOfTransactionsAffectingValuationAllowanceOnDeferredTaxAssetsDetail Income Taxes - Schedule of Transactions Affecting Valuation Allowance on Deferred Tax Assets (Detail) Details 105 false false R106.htm 101060 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureIncomeTaxesUnrecognizedTaxBenefitsDetail Income Taxes - Unrecognized Tax Benefits (Detail) Details 106 false false R107.htm 101070 - Disclosure - Comprehensive Income - Schedule of Changes in Accumulated Other Comprehensive Loss (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureComprehensiveIncomeScheduleOfChangesInAccumulatedOtherComprehensiveLossDetail Comprehensive Income - Schedule of Changes in Accumulated Other Comprehensive Loss (Detail) Details 107 false false R108.htm 101080 - Disclosure - Comprehensive Income - Schedule of Reclassifications From Accumulated Other Comprehensive Loss (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureComprehensiveIncomeScheduleOfReclassificationsFromAccumulatedOtherComprehensiveLossDetail Comprehensive Income - Schedule of Reclassifications From Accumulated Other Comprehensive Loss (Detail) Details 108 false false R109.htm 101090 - Disclosure - Stock and Incentive Programs - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsNarrativeDetail Stock and Incentive Programs - Narrative (Detail) Details 109 false false R110.htm 101100 - Disclosure - Stock and Incentive Programs - Stock Options - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsStockOptionsNarrativeDetail Stock and Incentive Programs - Stock Options - Narrative (Detail) Details 110 false false R111.htm 101110 - Disclosure - Stock and Incentive Programs - Summary of Stock Option Activity (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsSummaryOfStockOptionActivityDetail Stock and Incentive Programs - Summary of Stock Option Activity (Detail) Details 111 false false R112.htm 101120 - Disclosure - Stock and Incentive Programs - Summary of Restricted Stock Units Activity (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsSummaryOfRestrictedStockUnitsActivityDetail Stock and Incentive Programs - Summary of Restricted Stock Units Activity (Detail) Details 112 false false R113.htm 101130 - Disclosure - Stock and Incentive Programs - Restricted Stock Units - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsRestrictedStockUnitsNarrativeDetail Stock and Incentive Programs - Restricted Stock Units - Narrative (Detail) Details 113 false false R114.htm 101140 - Disclosure - Stock and Incentive Programs - Summary of Restricted Stock Award Activity for Employees (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsSummaryOfRestrictedStockAwardActivityForEmployeesDetail Stock and Incentive Programs - Summary of Restricted Stock Award Activity for Employees (Detail) Details 114 false false R115.htm 101150 - Disclosure - Stock and Incentive Programs - Restricted Stock Awards - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsRestrictedStockAwardsNarrativeDetail Stock and Incentive Programs - Restricted Stock Awards - Narrative (Detail) Details 115 false false R116.htm 101160 - Disclosure - Stock and Incentive Programs - Summary of Performance Restricted Stock Activity for Employees (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsSummaryOfPerformanceRestrictedStockActivityForEmployeesDetail Stock and Incentive Programs - Summary of Performance Restricted Stock Activity for Employees (Detail) Details 116 false false R117.htm 101170 - Disclosure - Stock and Incentive Programs - Performance Restricted Stock - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsPerformanceRestrictedStockNarrativeDetail Stock and Incentive Programs - Performance Restricted Stock - Narrative (Detail) Details 117 false false R118.htm 101180 - Disclosure - Stock and Incentive Programs - Summary of Performance Share Units Activity for Employees (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsSummaryOfPerformanceShareUnitsActivityForEmployeesDetail Stock and Incentive Programs - Summary of Performance Share Units Activity for Employees (Detail) Details 118 false false R119.htm 101190 - Disclosure - Stock and Incentive Programs - Performance Share Awards - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureStockAndIncentiveProgramsPerformanceShareAwardsNarrativeDetail Stock and Incentive Programs - Performance Share Awards - Narrative (Detail) Details 119 false false R120.htm 101200 - Disclosure - Segment Information - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSegmentInformationNarrativeDetail Segment Information - Narrative (Detail) Details 120 false false R121.htm 101210 - Disclosure - Segment Information - Schedule of Segment Reporting Information (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentReportingInformationDetail Segment Information - Schedule of Segment Reporting Information (Detail) Details 121 false false R122.htm 101220 - Disclosure - Segment Information - Schedule of Corporate Assets (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSegmentInformationScheduleOfCorporateAssetsDetail Segment Information - Schedule of Corporate Assets (Detail) Details 122 false false R123.htm 101230 - Disclosure - Geographic Areas - Net Sales and Long-Lived Assets by Geographic Region (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureGeographicAreasNetSalesAndLongLivedAssetsByGeographicRegionDetail Geographic Areas - Net Sales and Long-Lived Assets by Geographic Region (Detail) Details 123 false false R124.htm 101240 - Disclosure - Related Parties - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRelatedPartiesNarrativeDetail Related Parties - Narrative (Detail) Details 124 false false R125.htm 101250 - Disclosure - Related Parties - Allocation of Expense Reflected in the Combined Statements of Operations (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureRelatedPartiesAllocationOfExpenseReflectedInCombinedStatementsOfOperationsDetail Related Parties - Allocation of Expense Reflected in the Combined Statements of Operations (Detail) Details 125 false false R126.htm 101260 - Disclosure - New Accounting Pronouncements - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureNewAccountingPronouncementsNarrativeDetail New Accounting Pronouncements - Narrative (Detail) Details 126 false false R127.htm 101270 - Disclosure - Subsequent Events - Narrative (Detail) Sheet http://www.lsccom.com/20171231/taxonomy/role/DisclosureSubsequentEventsNarrativeDetail Subsequent Events - Narrative (Detail) Details 127 false false All Reports Book All Reports lksd-20171231.xml lksd-20171231.xsd lksd-20171231_cal.xml lksd-20171231_def.xml lksd-20171231_lab.xml lksd-20171231_pre.xml http://fasb.org/us-gaap/2017-01-31 http://xbrl.sec.gov/dei/2014-01-31 http://xbrl.sec.gov/country/2017-01-31 true true