10-K Filing

MARTIN MARIETTA MATERIALS INC CIK: 916076 FY 2018

Filing Information

Form Type	10-K
Accession Number	`0001193125-19-049961`
Period End Date	20181231
Filing Date	20190225
Fiscal Year	2018
Fiscal Period	FY
XBRL Instance	mlm-20181231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 78 Income Statement 54 Cash Flow Statement 100 Stockholders Equity 43 Comprehensive Income 55

Balance Sheet 78 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.45B	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$44.89M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	62.52M	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$523.28M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	62.87M	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$487.24M	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Inventories, net	`InventoryNet`	$663.03M	USD	Point-in-time
Inventories, net	`InventoryNet`	$600.59M	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$96.97M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$134.61M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.63B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$1.37B	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$3.59B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$5.16B	USD	Point-in-time
Goodwill	`Goodwill`	$2.16B	USD	Point-in-time
Goodwill	`Goodwill`	$2.40B	USD	Point-in-time
Goodwill	`Goodwill`	$2.16B	USD	Point-in-time
Other intangibles, net	`OtherIntangibleAssetsNet`	$506.35M	USD	Point-in-time
Other intangibles, net	`OtherIntangibleAssetsNet`	$501.28M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$127.97M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$101.90M	USD	Point-in-time
Total Assets	`Assets`	$9.55B	USD	Point-in-time
Total Assets	`Assets`	$8.99B	USD	Point-in-time
Total Assets	`Assets`	$7.30B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$210.81M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$183.64M	USD	Point-in-time
Accrued salaries, benefits and payroll taxes	`EmployeeRelatedLiabilitiesCurrent`	$44.26M	USD	Point-in-time
Accrued salaries, benefits and payroll taxes	`EmployeeRelatedLiabilitiesCurrent`	$51.43M	USD	Point-in-time
Pension and postretirement benefits	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent`	$13.65M	USD	Point-in-time
Pension and postretirement benefits	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent`	$9.94M	USD	Point-in-time
Accrued insurance and other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$64.96M	USD	Point-in-time
Accrued insurance and other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$63.54M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$299.91M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$390.04M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$60.98M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$87.80M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$694.22M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$786.75M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$2.73B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$2.73B	USD	Point-in-time
Pension, postretirement and postemployment benefits	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent`	$244.04M	USD	Point-in-time
Pension, postretirement and postemployment benefits	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent`	$134.47M	USD	Point-in-time
Deferred income taxes, net	`DeferredTaxLiabilitiesNoncurrent`	$410.72M	USD	Point-in-time
Deferred income taxes, net	`DeferredTaxLiabilitiesNoncurrent`	$705.56M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$233.76M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$244.78M	USD	Point-in-time
Total Liabilities	`Liabilities`	$4.60B	USD	Point-in-time
Total Liabilities	`Liabilities`	$4.31B	USD	Point-in-time
Common stock ($0.01 par value; 100,000,000 shares authorized; 62,515,000 and 62,873,000 shares outstanding at December 31, 2018 and 2017, respectively)	`CommonStockValue`	$624.00K	USD	Point-in-time
Common stock ($0.01 par value; 100,000,000 shares authorized; 62,515,000 and 62,873,000 shares outstanding at December 31, 2018 and 2017, respectively)	`CommonStockValue`	$628.00K	USD	Point-in-time
Preferred stock ($0.01 par value; 10,000,000 shares authorized; no shares outstanding)	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock ($0.01 par value; 10,000,000 shares authorized; no shares outstanding)	`PreferredStockValue`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$3.37B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$3.40B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-143.58M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-129.10M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.69B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.44B	USD	Point-in-time
Total Shareholders Equity	`StockholdersEquity`	$4.68B	USD	Point-in-time
Total Shareholders Equity	`StockholdersEquity`	$4.95B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$3.05M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$2.88M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.95B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.14B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.68B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$9.55B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$8.99B	USD	Point-in-time

Income Statement 54 line items

Line Item	Tag	Value	Unit	Period
Total revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$4.24B	USD	Annual
Total revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$3.97B	USD	Annual
Total revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$3.82B	USD	Annual
Total cost of revenues	`CostOfGoodsAndServicesSold`	$3.28B	USD	Annual
Total cost of revenues	`CostOfGoodsAndServicesSold`	$2.91B	USD	Annual
Total cost of revenues	`CostOfGoodsAndServicesSold`	$2.99B	USD	Annual
Gross Profit	`GrossProfit`	$971.94M	USD	Annual
Gross Profit	`GrossProfit`	$966.58M	USD	Annual
Gross Profit	`GrossProfit`	$911.74M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$280.55M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$241.61M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$262.13M	USD	Annual
Acquisition-related expenses, net	`BusinessCombinationAcquisitionRelatedCosts`	$8.64M	USD	Annual
Acquisition-related expenses, net	`BusinessCombinationAcquisitionRelatedCosts`	$909.00K	USD	Annual
Acquisition-related expenses, net	`BusinessCombinationAcquisitionRelatedCosts`	$13.48M	USD	Annual
Other operating (income) and expenses, net	`OtherOperatingIncomeExpenseNet`	$8.04M	USD	Annual
Other operating (income) and expenses, net	`OtherOperatingIncomeExpenseNet`	$-793.00K	USD	Annual
Other operating (income) and expenses, net	`OtherOperatingIncomeExpenseNet`	$18.19M	USD	Annual
Earnings from Operations	`OperatingIncomeLoss`	$700.38M	USD	Annual
Earnings from Operations	`OperatingIncomeLoss`	$677.27M	USD	Annual
Earnings from Operations	`OperatingIncomeLoss`	$690.74M	USD	Annual
Interest expense	`InterestExpense`	$137.07M	USD	Annual
Interest expense	`InterestExpense`	$91.49M	USD	Annual
Interest expense	`InterestExpense`	$81.68M	USD	Annual
Other nonoperating income, net	`OtherNonoperatingIncomeExpense`	$11.44M	USD	Annual
Other nonoperating income, net	`OtherNonoperatingIncomeExpense`	$22.41M	USD	Annual
Other nonoperating income, net	`OtherNonoperatingIncomeExpense`	$10.03M	USD	Annual
Earnings before income tax expense (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$576.08M	USD	Annual
Earnings before income tax expense (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$618.93M	USD	Annual
Earnings before income tax expense (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$607.03M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-94.46M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$181.58M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$105.70M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$470.38M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$713.38M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$425.44M	USD	Annual
Less: Net earnings attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$58.00K	USD	Annual
Less: Net earnings attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$43.00K	USD	Annual
Less: Net earnings attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$378.00K	USD	Annual
Net Earnings Attributable to Martin Marietta	`NetIncomeLoss`	$713.34M	USD	Annual
Net Earnings Attributable to Martin Marietta	`NetIncomeLoss`	$470.00M	USD	Annual
Net Earnings Attributable to Martin Marietta	`NetIncomeLoss`	$425.39M	USD	Annual
Basic attributable to common shareholders	`EarningsPerShareBasic`	$6.66	USD	Annual
Basic attributable to common shareholders	`EarningsPerShareBasic`	$11.30	USD	Annual
Basic attributable to common shareholders	`EarningsPerShareBasic`	$7.46	USD	Annual
Diluted attributable to common shareholders	`EarningsPerShareDiluted`	$6.63	USD	Annual
Diluted attributable to common shareholders	`EarningsPerShareDiluted`	$11.25	USD	Annual
Diluted attributable to common shareholders	`EarningsPerShareDiluted`	$7.43	USD	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	63.61M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	62.93M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	62.90M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	63.86M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	63.15M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	63.22M	shares	Annual

Cash Flow Statement 100 line items

Line Item	Tag	Value	Unit	Period
Consolidated net earnings	`ProfitLoss`	$470.38M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$713.38M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$425.44M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$297.16M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$344.03M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$285.25M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$29.25M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$30.46M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$20.48M	USD	Annual
(Gain) Loss on divestitures and sales of assets	`GainLossOnDispositionOfAssets`	$-410.00K	USD	Annual
(Gain) Loss on divestitures and sales of assets	`GainLossOnDispositionOfAssets`	$39.26M	USD	Annual
(Gain) Loss on divestitures and sales of assets	`GainLossOnDispositionOfAssets`	$19.37M	USD	Annual
Deferred income taxes, net	`DeferredIncomeTaxExpenseBenefit`	$67.05M	USD	Annual
Deferred income taxes, net	`DeferredIncomeTaxExpenseBenefit`	$-239.06M	USD	Annual
Deferred income taxes, net	`DeferredIncomeTaxExpenseBenefit`	$85.06M	USD	Annual
Noncash portion of asset and portfolio rationalization charge	`NoncashPortionOfAssetAndPortfolioRationalizationCharge`	$16.97M	USD	Annual
Other items, net	`OtherNoncashIncomeExpense`	$8.89M	USD	Annual
Other items, net	`OtherNoncashIncomeExpense`	$13.44M	USD	Annual
Other items, net	`OtherNoncashIncomeExpense`	$18.02M	USD	Annual
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$29.33M	USD	Annual
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$10.62M	USD	Annual
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$25.07M	USD	Annual
Inventories, net	`IncreaseDecreaseInInventories`	$21.98M	USD	Annual
Inventories, net	`IncreaseDecreaseInInventories`	$47.38M	USD	Annual
Inventories, net	`IncreaseDecreaseInInventories`	$78.97M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$-17.87M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$20.15M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$-8.12M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$179.94M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$11.11M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-14.62M	USD	Annual
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$705.15M	USD	Annual
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$657.60M	USD	Annual
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$688.94M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$387.27M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$375.95M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$410.32M	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$1.64B	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$12.10M	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$174.52M	USD	Annual
Proceeds from divestitures and sales of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$6.48M	USD	Annual
Proceeds from divestitures and sales of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$35.94M	USD	Annual
Proceeds from divestitures and sales of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$69.11M	USD	Annual
Payment of railcar construction advances	`RepaymentsOfAdvancesForConstruction`	$79.35M	USD	Annual
Payment of railcar construction advances	`RepaymentsOfAdvancesForConstruction`	$82.91M	USD	Annual
Payment of railcar construction advances	`RepaymentsOfAdvancesForConstruction`	$43.59M	USD	Annual
Reimbursement of railcar construction advances	`ProceedsFromAdvancesForConstruction`	$43.59M	USD	Annual
Reimbursement of railcar construction advances	`ProceedsFromAdvancesForConstruction`	$82.91M	USD	Annual
Reimbursement of railcar construction advances	`ProceedsFromAdvancesForConstruction`	$79.35M	USD	Annual
Investments in life insurance contracts, net	`ProceedsFromLifeInsurancePolicies`	$771.00K	USD	Annual
Investments in life insurance contracts, net	`ProceedsFromLifeInsurancePolicies`	$280.00K	USD	Annual
Investments in life insurance contracts, net	`ProceedsFromLifeInsurancePolicies`	$293.00K	USD	Annual
Net Cash Used for Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-555.02M	USD	Annual
Net Cash Used for Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.95B	USD	Annual
Net Cash Used for Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-386.20M	USD	Annual
Borrowings of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.41B	USD	Annual
Borrowings of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$560.00M	USD	Annual
Borrowings of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.00B	USD	Annual
Repayments of long-term debt	`RepaymentsOfLongTermDebt`	$1.07B	USD	Annual
Repayments of long-term debt	`RepaymentsOfLongTermDebt`	$449.31M	USD	Annual
Repayments of long-term debt	`RepaymentsOfLongTermDebt`	$910.05M	USD	Annual
Payments of deferred acquisition consideration	`PaymentsOfDeferredAcquisitionConsideration`	$2.77M	USD	Annual
Payments of deferred acquisition consideration	`PaymentsOfDeferredAcquisitionConsideration`	$6.71M	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$2.20M	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$3.89M	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$2.30M	USD	Annual
Change in bank overdraft	`ProceedsFromRepaymentsOfBankOverdrafts`	$-10.23M	USD	Annual
Payments on capital lease obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$3.49M	USD	Annual
Payments on capital lease obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$3.54M	USD	Annual
Payments on capital lease obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$3.36M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$116.44M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$108.85M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$105.04M	USD	Annual
Purchase of the noncontrolling interest in the existing joint venture	`PaymentsToAcquireNoncontrollingInterestInExistingJointVenture`	$12.80M	USD	Annual
Distributions to owners of noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	$400.00K	USD	Annual
Contributions by noncontrolling interest to joint venture	`ProceedsFromMinorityShareholders`	$212.00K	USD	Annual
Contributions by noncontrolling interest to joint venture	`ProceedsFromMinorityShareholders`	$44.00K	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$100.00M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$259.23M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$100.38M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$27.26M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$10.11M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$7.20M	USD	Annual
Shares withheld for employees' income tax obligations	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$9.72M	USD	Annual
Shares withheld for employees' income tax obligations	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$11.87M	USD	Annual
Shares withheld for employees' income tax obligations	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$11.80M	USD	Annual
Net Cash (Used for) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$1.12B	USD	Annual
Net Cash (Used for) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-158.41M	USD	Annual
Net Cash (Used for) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-252.29M	USD	Annual
Net (Decrease) Increase in Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.40B	USD	Annual
Net (Decrease) Increase in Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-118.37M	USD	Annual
Net (Decrease) Increase in Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-1.40B	USD	Annual
Cash and Cash Equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$168.41M	USD	Point-in-time
Cash and Cash Equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$1.45B	USD	Point-in-time
Cash and Cash Equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$50.04M	USD	Point-in-time
Cash and Cash Equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$44.89M	USD	Point-in-time
Cash and Cash Equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$168.41M	USD	Point-in-time
Cash and Cash Equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$1.45B	USD	Point-in-time
Cash and Cash Equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$50.04M	USD	Point-in-time
Cash and Cash Equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$44.89M	USD	Point-in-time

Stockholders Equity 43 line items

Line Item	Tag	Value	Unit	Period
Cash dividends declared per common share	`CommonStockDividendsPerShareDeclared`	$1.72	USD	Annual
Cash dividends declared per common share	`CommonStockDividendsPerShareDeclared`	$1.64	USD	Annual
Cash dividends declared per common share	`CommonStockDividendsPerShareDeclared`	$1.84	USD	Annual
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.95B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.14B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.68B	USD	Point-in-time
Beginning Balance (in shares)	`CommonStockSharesOutstanding`	62.52M	shares	Point-in-time
Beginning Balance (in shares)	`CommonStockSharesOutstanding`	62.87M	shares	Point-in-time
Consolidated net earnings	`ProfitLoss`	$470.38M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$713.38M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$425.44M	USD	Annual
Other comprehensive (loss) earnings	`OtherComprehensiveIncomeLossNetOfTax`	$1.59M	USD	Annual
Other comprehensive (loss) earnings	`OtherComprehensiveIncomeLossNetOfTax`	$-14.46M	USD	Annual
Other comprehensive (loss) earnings	`OtherComprehensiveIncomeLossNetOfTax`	$-25.00M	USD	Annual
Dividends declared ($1.64 in 2016 and $1.72 in 2017 & 1.84 in 2018 per common share)	`DividendsCommonStockCash`	$108.85M	USD	Annual
Dividends declared ($1.64 in 2016 and $1.72 in 2017 & 1.84 in 2018 per common share)	`DividendsCommonStockCash`	$105.04M	USD	Annual
Dividends declared ($1.64 in 2016 and $1.72 in 2017 & 1.84 in 2018 per common share)	`DividendsCommonStockCash`	$116.44M	USD	Annual
Issuances of common stock for stock award plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$14.89M	USD	Annual
Issuances of common stock for stock award plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$14.24M	USD	Annual
Issuances of common stock for stock award plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$26.11M	USD	Annual
Shares withheld for employees' income tax obligations	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$11.87M	USD	Annual
Shares withheld for employees' income tax obligations	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$11.80M	USD	Annual
Repurchases of common stock	`StockRepurchasedDuringPeriodValue`	$259.23M	USD	Annual
Repurchases of common stock	`StockRepurchasedDuringPeriodValue`	$100.00M	USD	Annual
Repurchases of common stock	`StockRepurchasedDuringPeriodValue`	$100.38M	USD	Annual
Repurchases of common stock, Shares	`StockRepurchasedDuringPeriodShares`	521,140.00	shares	Annual
Repurchases of common stock, Shares	`StockRepurchasedDuringPeriodShares`	457,742.00	shares	Annual
Repurchases of common stock, Shares	`StockRepurchasedDuringPeriodShares`	1.59M	shares	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$29.25M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$30.46M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$20.48M	USD	Annual
Noncontrolling interest acquired in business combination	`NoncontrollingInterestIncreaseFromBusinessCombination`	$9.00M	USD	Annual
Purchase of the noncontrolling interest in the existing joint venture	`MinorityInterestDecreaseFromRedemptions`	$12.80M	USD	Annual
Distributions to owners of noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$400.00K	USD	Annual
Contribution from owners of noncontrolling interest	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$212.00K	USD	Annual
Contribution from owners of noncontrolling interest	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$44.00K	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.95B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.14B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.68B	USD	Point-in-time
Ending Balance (in shares)	`CommonStockSharesOutstanding`	62.52M	shares	Point-in-time
Ending Balance (in shares)	`CommonStockSharesOutstanding`	62.87M	shares	Point-in-time

Comprehensive Income 55 line items

Line Item	Tag	Value	Unit	Period
Consolidated Net Earnings	`ProfitLoss`	$470.38M	USD	Annual
Consolidated Net Earnings	`ProfitLoss`	$713.38M	USD	Annual
Consolidated Net Earnings	`ProfitLoss`	$425.44M	USD	Annual
Net loss arising during period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-7.64M	USD	Annual
Net loss arising during period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-19.73M	USD	Annual
Net loss arising during period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-2.62M	USD	Annual
Amortization of prior service credit, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-547.00K	USD	Annual
Amortization of prior service credit, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-617.00K	USD	Annual
Amortization of prior service credit, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-493.00K	USD	Annual
Amortization of actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$5.27M	USD	Annual
Amortization of actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$3.16M	USD	Annual
Amortization of actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$4.44M	USD	Annual
Amount recognized in net periodic pension cost due to settlement, tax	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	$734.00K	USD	Annual
Net loss arising during period, net of tax of $(7,640), $(2,625) and $(19,734), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-31.62M	USD	Annual
Net loss arising during period, net of tax of $(7,640), $(2,625) and $(19,734), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-8.05M	USD	Annual
Net loss arising during period, net of tax of $(7,640), $(2,625) and $(19,734), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-22.88M	USD	Annual
Amount recognized in net periodic pension cost due to settlement, tax	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	$8.00K	USD	Annual
Amount recognized in net periodic pension cost due to settlement, tax	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	$44.00K	USD	Annual
Amortization of prior service credit, net of tax of $(493), $(547) and $(617), respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-992.00K	USD	Annual
Amortization of prior service credit, net of tax of $(493), $(547) and $(617), respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-883.00K	USD	Annual
Amortization of prior service credit, net of tax of $(493), $(547) and $(617), respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.48M	USD	Annual
Amount recognized in net periodic pension cost due to special plan termination benefits, tax	`OtherComprehensiveIncomeNetPeriodicPensionCostDueToSpecialPlanTerminationBenefitsTax`	$293.00K	USD	Annual
Amount recognized in net periodic pension cost due to special plan termination benefits, tax	`OtherComprehensiveIncomeNetPeriodicPensionCostDueToSpecialPlanTerminationBenefitsTax`	-	USD	Annual
Amount recognized in net periodic pension cost due to special plan termination benefits, tax	`OtherComprehensiveIncomeNetPeriodicPensionCostDueToSpecialPlanTerminationBenefitsTax`	-	USD	Annual
Amortization of actuarial loss, net of tax of $3,156, $5,271 and $4,437, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$7.14M	USD	Annual
Amortization of terminated value of forward starting interest rate swap agreements into interest expense, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$178.00K	USD	Annual
Amortization of terminated value of forward starting interest rate swap agreements into interest expense, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$541.00K	USD	Annual
Amortization of actuarial loss, net of tax of $3,156, $5,271 and $4,437, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$8.50M	USD	Annual
Amortization of actuarial loss, net of tax of $3,156, $5,271 and $4,437, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$9.46M	USD	Annual
Amortization of terminated value of forward starting interest rate swap agreements into interest expense, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$571.00K	USD	Annual
Amount recognized in net periodic pension cost due to settlement, net of tax of $734, $8 and $44 respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$2.20M	USD	Annual
Amount recognized in net periodic pension cost due to settlement, net of tax of $734, $8 and $44 respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$13.00K	USD	Annual
Amount recognized in net periodic pension cost due to settlement, net of tax of $734, $8 and $44 respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$71.00K	USD	Annual
Amount recognized in net periodic pension cost due to special plan termination benefits, net of tax of $0, $0 and $293, respectively	`OtherComprehensiveIncomeLossNetPeriodicPensionCostDueToSpecialPlanTerminationBenefitsNetOfTax`	$471.00K	USD	Annual
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-419.00K	USD	Annual
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-12.69M	USD	Annual
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-24.93M	USD	Annual
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-2.05M	USD	Annual
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$1.14M	USD	Annual
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-898.00K	USD	Annual
Amortization of terminated value of forward starting interest rate swap agreements into interest expense, net of tax of $178, $571 and $541, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$826.00K	USD	Annual
Amortization of terminated value of forward starting interest rate swap agreements into interest expense, net of tax of $178, $571 and $541, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$872.00K	USD	Annual
Amortization of terminated value of forward starting interest rate swap agreements into interest expense, net of tax of $178, $571 and $541, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$280.00K	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.59M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-14.46M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-25.00M	USD	Annual
Consolidated comprehensive earnings	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$455.91M	USD	Annual
Consolidated comprehensive earnings	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$714.98M	USD	Annual
Consolidated comprehensive earnings	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$400.44M	USD	Annual
Less: Comprehensive earnings attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$391.00K	USD	Annual
Less: Comprehensive earnings attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$119.00K	USD	Annual
Less: Comprehensive earnings attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$53.00K	USD	Annual
Comprehensive Earnings Attributable to Martin Marietta	`ComprehensiveIncomeNetOfTax`	$400.32M	USD	Annual
Comprehensive Earnings Attributable to Martin Marietta	`ComprehensiveIncomeNetOfTax`	$455.52M	USD	Annual
Comprehensive Earnings Attributable to Martin Marietta	`ComprehensiveIncomeNetOfTax`	$714.92M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.