$MLM
MARTIN MARIETTA MATERIALS INC

2021 Q4 Form 10-K Financial Statement

#000156459022005965 Filed on February 22, 2022

View on sec.gov

Income Statement

Concept 2021 Q4 2021 2020 Q4
Revenue $250.0M $5.414B $1.180B
YoY Change -78.81% 14.46% 7.2%
Cost Of Revenue $1.150B $4.066B $854.2M
YoY Change 34.59% 16.93% 1.46%
Gross Profit $346.7M $1.348B $325.4M
YoY Change 6.55% 7.63% 25.83%
Gross Profit Margin 138.68% 24.91% 27.59%
Selling, General & Admin $102.8M $351.0M $84.90M
YoY Change 21.08% 14.74% 15.2%
% of Gross Profit 29.65% 26.03% 26.09%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $131.7M $451.7M $101.3M
YoY Change 30.01% 14.79% 7.2%
% of Gross Profit 37.99% 33.5% 31.13%
Operating Expenses $106.0M $351.0M $84.70M
YoY Change 25.15% 14.74% 14.93%
Operating Profit $240.7M $973.8M $240.7M
YoY Change 0.0% -3.14% 30.18%
Interest Expense -$42.80M $142.7M -$28.40M
YoY Change 50.7% 20.83% -7.19%
% of Operating Profit -17.78% 14.65% -11.8%
Other Income/Expense, Net $600.0K $24.40M -$3.900M
YoY Change -115.38% 1120.0% -262.5%
Pretax Income $167.9M $855.5M $208.3M
YoY Change -19.4% -3.8% 33.27%
Income Tax $11.50M $153.2M $25.20M
% Of Pretax Income 6.85% 17.91% 12.1%
Net Earnings $156.8M $702.5M $183.0M
YoY Change -14.32% -2.57% 39.69%
Net Earnings / Revenue 62.72% 12.98% 15.51%
Basic Earnings Per Share $11.26
Diluted Earnings Per Share $2.505M $11.22 $2.933M
COMMON SHARES
Basic Shares Outstanding 62.40M
Diluted Shares Outstanding 62.60M

Balance Sheet

Concept 2021 Q4 2021 2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments $258.4M $258.4M $207.0M
YoY Change 24.83% 24.83% 885.71%
Cash & Equivalents $258.4M $258.4M $207.3M
Short-Term Investments
Other Short-Term Assets $137.9M $240.6M $70.00M
YoY Change 97.0% 35.93% -50.42%
Inventory $752.6M $752.6M $709.0M
Prepaid Expenses
Receivables $774.0M $761.7M $575.1M
Other Receivables $0.00 $12.30M $0.00
Total Short-Term Assets $2.026B $2.026B $1.668B
YoY Change 21.42% 21.44% 16.93%
LONG-TERM ASSETS
Property, Plant & Equipment $6.338B $6.765B $5.242B
YoY Change 20.9% 18.78% 0.7%
Goodwill $3.494B $2.414B
YoY Change 44.76% 0.72%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $426.4M $1.043B $295.2M
YoY Change 44.44% 253.66% 121.29%
Total Long-Term Assets $12.37B $12.37B $8.913B
YoY Change 38.76% 38.76% 2.38%
TOTAL ASSETS
Total Short-Term Assets $2.026B $2.026B $1.668B
Total Long-Term Assets $12.37B $12.37B $8.913B
Total Assets $14.39B $14.39B $10.58B
YoY Change 36.03% 36.03% 4.43%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $356.2M $356.2M $207.8M
YoY Change 71.41% 71.25% -9.49%
Accrued Expenses $246.9M $246.9M $175.0M
YoY Change 41.09% 41.09% 1.16%
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $0.00 $0.00
YoY Change
Long-Term Debt Due $100.0K $13.30M $0.00
YoY Change 343.33% -100.0%
Total Short-Term Liabilities $752.6M $752.6M $499.3M
YoY Change 50.73% 50.82% -40.45%
LONG-TERM LIABILITIES
Long-Term Debt $5.101B $5.292B $2.626B
YoY Change 94.26% 99.92% 7.9%
Other Long-Term Liabilities $673.8M $915.6M $370.5M
YoY Change 81.86% 20.47% 9.2%
Total Long-Term Liabilities $5.775B $6.208B $2.996B
YoY Change 92.72% 82.2% 8.06%
TOTAL LIABILITIES
Total Short-Term Liabilities $752.6M $752.6M $499.3M
Total Long-Term Liabilities $5.775B $6.208B $2.996B
Total Liabilities $7.855B $7.858B $4.688B
YoY Change 67.58% 67.54% -1.9%
SHAREHOLDERS EQUITY
Retained Earnings $3.162B $2.608B
YoY Change 21.25% 25.54%
Common Stock $3.471B $3.441B
YoY Change 0.86% 0.64%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $6.535B $6.535B $5.891B
YoY Change
Total Liabilities & Shareholders Equity $14.39B $14.39B $10.58B
YoY Change 36.03% 36.03% 4.43%

Cashflow Statement

Concept 2021 Q4 2021 2020 Q4
OPERATING ACTIVITIES
Net Income $156.8M $702.5M $183.0M
YoY Change -14.32% -2.57% 39.69%
Depreciation, Depletion And Amortization $131.7M $451.7M $101.3M
YoY Change 30.01% 14.79% 7.2%
Cash From Operating Activities $357.4M $1.138B $366.1M
YoY Change -2.38% 8.34% 15.74%
INVESTING ACTIVITIES
Capital Expenditures -$101.8M -$423.1M -$108.9M
YoY Change -6.52% 17.63% -1.45%
Acquisitions $3.109B
YoY Change 4676.04%
Other Investing Activities -$2.314B -$3.052B -$109.1M
YoY Change 2020.9% -19171.88% -8492.31%
Cash From Investing Activities -$2.416B -$3.475B -$218.0M
YoY Change 1008.12% 748.08% 99.63%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net $420.1M
YoY Change -45.94%
Cash From Financing Activities -65.90M 2.291B -37.40M
YoY Change 76.2% -741.85% -84.1%
NET CHANGE
Cash From Operating Activities 357.4M 1.138B 366.1M
Cash From Investing Activities -2.416B -3.475B -218.0M
Cash From Financing Activities -65.90M 2.291B -37.40M
Net Change In Cash -2.124B -45.50M 110.7M
YoY Change -2018.88% -116.06% -493.95%
FREE CASH FLOW
Cash From Operating Activities $357.4M $1.138B $366.1M
Capital Expenditures -$101.8M -$423.1M -$108.9M
Free Cash Flow $459.2M $1.561B $475.0M
YoY Change -3.33% 10.71% 11.29%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2021 us-gaap Open Tax Year
OpenTaxYear
2017 2018 2019 2020 2021
CY2021 mlm Company Normal Retirement Age
CompanyNormalRetirementAge
P62Y
CY2021Q4 us-gaap Preferred Stock Value
PreferredStockValue
CY2020Q4 us-gaap Preferred Stock Value
PreferredStockValue
CY2021 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P2Y7M6D
CY2021 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
P2Y7M6D
CY2021Q4 us-gaap Finance Lease Liability Current Statement Of Financial Position Extensible List
FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent
CY2020Q4 us-gaap Finance Lease Liability Current Statement Of Financial Position Extensible List
FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent
CY2021Q4 us-gaap Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List
FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrent
CY2020Q4 us-gaap Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List
FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrent
CY2021Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P12Y7M6D
CY2020Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P13Y10M24D
CY2021Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P19Y6M
CY2020Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P14Y3M18D
CY2021 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-60500000
CY2021 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
5414000000.0
CY2020 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4729900000
CY2019 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4739100000
CY2021 us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
4065600000
CY2020 us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
3477100000
CY2019 us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
3560100000
CY2021 us-gaap Gross Profit
GrossProfit
1348400000
CY2020 us-gaap Gross Profit
GrossProfit
1252800000
CY2019 us-gaap Gross Profit
GrossProfit
1179000000.0
CY2021 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
351000000.0
CY2020 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
305900000
CY2019 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
302700000
CY2021 dei Auditor Firm
AuditorFirmId
238
CY2021 dei Auditor Name
AuditorName
PricewaterhouseCoopers LLP
CY2021 dei Auditor Location
AuditorLocation
Raleigh, North Carolina, United States
CY2021 us-gaap Business Combination Acquisition Related Costs
BusinessCombinationAcquisitionRelatedCosts
57900000
CY2020 us-gaap Business Combination Acquisition Related Costs
BusinessCombinationAcquisitionRelatedCosts
1300000
CY2019 us-gaap Business Combination Acquisition Related Costs
BusinessCombinationAcquisitionRelatedCosts
500000
CY2021 us-gaap Other Operating Income Expense Net
OtherOperatingIncomeExpenseNet
34300000
CY2020 us-gaap Other Operating Income Expense Net
OtherOperatingIncomeExpenseNet
59800000
CY2019 us-gaap Other Operating Income Expense Net
OtherOperatingIncomeExpenseNet
9100000
CY2021 us-gaap Operating Income Loss
OperatingIncomeLoss
973800000
CY2020 us-gaap Operating Income Loss
OperatingIncomeLoss
1005400000
CY2019 us-gaap Operating Income Loss
OperatingIncomeLoss
884900000
CY2021 us-gaap Interest Expense
InterestExpense
142700000
CY2020 us-gaap Interest Expense
InterestExpense
118100000
CY2019 us-gaap Interest Expense
InterestExpense
129300000
CY2021 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
24400000
CY2020 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
2000000.0
CY2019 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-7300000
CY2021 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
855500000
CY2020 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
889300000
CY2019 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
748300000
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
153200000
CY2020 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
168200000
CY2019 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
136300000
CY2021 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
702300000
CY2020 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
13200000
CY2020 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
721100000
CY2019 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
612000000.0
CY2021 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
500000
CY2021 us-gaap Profit Loss
ProfitLoss
702800000
CY2020 us-gaap Profit Loss
ProfitLoss
721100000
CY2019 us-gaap Profit Loss
ProfitLoss
612000000.0
CY2021 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
300000
CY2020 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
100000
CY2019 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
100000
CY2021 us-gaap Net Income Loss
NetIncomeLoss
702500000
CY2020 us-gaap Net Income Loss
NetIncomeLoss
721000000.0
CY2019 us-gaap Net Income Loss
NetIncomeLoss
611900000
CY2021 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
11.25
CY2020 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
11.56
CY2019 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
9.77
CY2021 us-gaap Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share
DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare
0.01
CY2021 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
11.26
CY2020 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
11.56
CY2019 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
9.77
CY2021 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
11.21
CY2020 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
11.54
CY2019 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
9.74
CY2021 us-gaap Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share
DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare
0.01
CY2021 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
11.22
CY2020 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
11.54
CY2019 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
9.74
CY2021 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62400000
CY2020 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62300000
CY2019 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62500000
CY2021 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62600000
CY2020 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62400000
CY2019 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62700000
CY2021 us-gaap Profit Loss
ProfitLoss
702800000
CY2020 us-gaap Profit Loss
ProfitLoss
721100000
CY2019 us-gaap Profit Loss
ProfitLoss
612000000.0
CY2021 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
16800000
CY2020 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
-8700000
CY2019 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
-4800000
CY2021 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
51300000
CY2020 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
-26600000
CY2019 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
-14500000
CY2021 us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
0.0
CY2020 us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
0.0
CY2019 us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
-200000
CY2020 us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
-100000
CY2019 us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
-600000
CY2021 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
-2900000
CY2020 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
-3600000
CY2019 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
-3800000
CY2021 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
-9200000
CY2020 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
-10700000
CY2019 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
-11700000
CY2021 us-gaap Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax
OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax
0.0
CY2020 us-gaap Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax
OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax
900000
CY2019 us-gaap Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax
OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax
0.0
CY2020 us-gaap Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax
OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax
2800000
CY2019 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
3400000
CY2021 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
300000
CY2020 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
600000
CY2019 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
1200000
CY2021 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
60800000
CY2020 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-12600000
CY2019 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-2200000
CY2020Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
5242300000
CY2021Q4 us-gaap Goodwill
Goodwill
3494400000
CY2020Q4 us-gaap Goodwill
Goodwill
2414000000.0
CY2021 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
763600000
CY2020 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
708500000
CY2021 us-gaap Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
300000
CY2020 us-gaap Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
100000
CY2019 us-gaap Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
100000
CY2021 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
763300000
CY2021Q4 us-gaap Other Intangible Assets Net
OtherIntangibleAssetsNet
1065000000.0
CY2020Q4 us-gaap Other Intangible Assets Net
OtherIntangibleAssetsNet
508000000.0
CY2021Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
258400000
CY2020Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
207300000
CY2021Q4 us-gaap Restricted Cash
RestrictedCash
500000
CY2020Q4 us-gaap Restricted Cash
RestrictedCash
97100000
CY2021Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
774000000.0
CY2020Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
575100000
CY2021Q4 us-gaap Inventory Net
InventoryNet
752600000
CY2020Q4 us-gaap Inventory Net
InventoryNet
709000000.0
CY2021Q4 us-gaap Assets Held For Sale Not Part Of Disposal Group Current
AssetsHeldForSaleNotPartOfDisposalGroupCurrent
102200000
CY2020Q4 us-gaap Assets Held For Sale Not Part Of Disposal Group Current
AssetsHeldForSaleNotPartOfDisposalGroupCurrent
9800000
CY2021Q4 us-gaap Other Assets Current
OtherAssetsCurrent
137900000
CY2020Q4 us-gaap Other Assets Current
OtherAssetsCurrent
70000000.0
CY2021Q4 us-gaap Assets Current
AssetsCurrent
2025600000
CY2020Q4 us-gaap Assets Current
AssetsCurrent
1668300000
CY2021Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
6338000000.0
CY2021Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
426700000
CY2020Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
453000000.0
CY2021Q4 us-gaap Disposal Group Including Discontinued Operation Assets Noncurrent
DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent
616900000
CY2021Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
426400000
CY2020Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
295200000
CY2021Q4 us-gaap Assets
Assets
14393000000.0
CY2020Q4 us-gaap Assets
Assets
10580800000
CY2021Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
356200000
CY2020Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
207800000
CY2021Q4 mlm Accrued Salaries Benefits And Payroll Taxes
AccruedSalariesBenefitsAndPayrollTaxes
86600000
CY2020Q4 mlm Accrued Salaries Benefits And Payroll Taxes
AccruedSalariesBenefitsAndPayrollTaxes
82600000
CY2021Q4 mlm Accrued Other Taxes Current
AccruedOtherTaxesCurrent
58400000
CY2020Q4 mlm Accrued Other Taxes Current
AccruedOtherTaxesCurrent
45400000
CY2021Q4 us-gaap Interest Payable Current
InterestPayableCurrent
48000000.0
CY2020Q4 us-gaap Interest Payable Current
InterestPayableCurrent
18300000
CY2021Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
53900000
CY2020Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
48600000
CY2021Q4 us-gaap Liabilities Of Disposal Group Including Discontinued Operation Current
LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
7500000
CY2020Q4 us-gaap Liabilities Of Disposal Group Including Discontinued Operation Current
LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
300000
CY2021Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
142000000.0
CY2020Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
96300000
CY2021Q4 us-gaap Liabilities Current
LiabilitiesCurrent
752600000
CY2020Q4 us-gaap Liabilities Current
LiabilitiesCurrent
499300000
CY2021Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
5100800000
CY2020Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
2625800000
CY2021Q4 us-gaap Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
895300000
CY2020Q4 us-gaap Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
781500000
CY2021Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
379400000
CY2020Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
410400000
CY2021Q4 us-gaap Liabilities Of Disposal Group Including Discontinued Operation Noncurrent
LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent
53500000
CY2021Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
673800000
CY2020Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
370500000
CY2021Q4 us-gaap Liabilities
Liabilities
7855400000
CY2020Q4 us-gaap Liabilities
Liabilities
4687500000
CY2021Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.01
CY2020Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.01
CY2021Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
100000000.0
CY2020Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
100000000.0
CY2021Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
62400000
CY2020Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
62300000
CY2021Q4 us-gaap Common Stock Value
CommonStockValue
600000
CY2020Q4 us-gaap Common Stock Value
CommonStockValue
600000
CY2021Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.01
CY2020Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.01
CY2021Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
10000000.0
CY2020Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
10000000.0
CY2021Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
CY2020Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
CY2021Q4 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
3470400000
CY2020Q4 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
3440800000
CY2021Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-97600000
CY2020Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-158400000
CY2021Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
3161900000
CY2020Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
2607700000
CY2021Q4 us-gaap Stockholders Equity
StockholdersEquity
6535300000
CY2020Q4 us-gaap Stockholders Equity
StockholdersEquity
5890700000
CY2021Q4 us-gaap Minority Interest
MinorityInterest
2300000
CY2020Q4 us-gaap Minority Interest
MinorityInterest
2600000
CY2021Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
6537600000
CY2020Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
5893300000
CY2021Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
14393000000.0
CY2020Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
10580800000
CY2021 us-gaap Profit Loss
ProfitLoss
702800000
CY2019 us-gaap Profit Loss
ProfitLoss
612000000.0
CY2021 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
451700000
CY2020 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
393500000
CY2019 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
371500000
CY2021 us-gaap Share Based Compensation
ShareBasedCompensation
43000000.0
CY2020 us-gaap Share Based Compensation
ShareBasedCompensation
30000000.0
CY2019 us-gaap Share Based Compensation
ShareBasedCompensation
34100000
CY2021 us-gaap Gain Loss On Disposition Of Assets
GainLossOnDispositionOfAssets
21700000
CY2020 us-gaap Gain Loss On Disposition Of Assets
GainLossOnDispositionOfAssets
73000000.0
CY2019 us-gaap Gain Loss On Disposition Of Assets
GainLossOnDispositionOfAssets
3100000
CY2021 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
92200000
CY2020 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
43800000
CY2019 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
29400000
CY2021 us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
14900000
CY2020 us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-2100000
CY2019 us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-8600000
CY2021 us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
194400000
CY2020 us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
-6100000
CY2019 us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
50400000
CY2021 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-73200000
CY2020 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
19300000
CY2019 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
27700000
CY2021 us-gaap Increase Decrease In Accounts Payable Trade
IncreaseDecreaseInAccountsPayableTrade
109800000
CY2020 us-gaap Increase Decrease In Accounts Payable Trade
IncreaseDecreaseInAccountsPayableTrade
-34000000.0
CY2019 us-gaap Increase Decrease In Accounts Payable Trade
IncreaseDecreaseInAccountsPayableTrade
25900000
CY2021 us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
104000000.0
CY2020 us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
20200000
CY2021 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
1137700000
CY2020 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
1050100000
CY2019 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
966100000
CY2021 us-gaap Payments For Proceeds From Life Insurance Policies
PaymentsForProceedsFromLifeInsurancePolicies
-14900000
CY2020 us-gaap Payments For Proceeds From Life Insurance Policies
PaymentsForProceedsFromLifeInsurancePolicies
111200000
CY2019 us-gaap Payments For Proceeds From Life Insurance Policies
PaymentsForProceedsFromLifeInsurancePolicies
-600000
CY2020 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
16000000.0
CY2019 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
1400000
CY2021 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-3474600000
CY2020 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-409700000
CY2019 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-385900000
CY2019 us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
625000000.0
CY2020 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
777100000
CY2019 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
975100000
CY2020 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
2000000.0
CY2021 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
11100000
CY2020 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
3500000
CY2019 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
11000000.0
CY2021 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
147800000
CY2020 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
140300000
CY2019 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
129800000
CY2019 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
98200000
CY2021 us-gaap Payments Of Dividends Minority Interest
PaymentsOfDividendsMinorityInterest
600000
CY2019 us-gaap Payments Of Dividends Minority Interest
PaymentsOfDividendsMinorityInterest
600000
CY2021 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
1300000
CY2020 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
2300000
CY2019 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
13700000
CY2019 us-gaap Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
98200000
CY2019 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
34100000
CY2019 us-gaap Minority Interest Decrease From Distributions To Noncontrolling Interest Holders
MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
600000
CY2020 us-gaap Profit Loss
ProfitLoss
721100000
CY2020 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-12600000
CY2020 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-357000000.0
CY2019 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-604100000
CY2021 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-45500000
CY2020 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
283400000
CY2019 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-23900000
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
304400000
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
21000000.0
CY2018Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
44900000
CY2019 us-gaap Profit Loss
ProfitLoss
612000000.0
CY2019 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-2200000
CY2019 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
129800000
CY2019 us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
16700000
CY2019 us-gaap Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
28100000
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
258900000
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
304400000
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
21000000.0
CY2021 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
19500000
CY2020 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
14500000
CY2019 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
28100000
CY2021 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
2291400000
CY2020 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
140500000
CY2020 us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
6800000
CY2020 us-gaap Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
14800000
CY2020 us-gaap Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
50000000.0
CY2020 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
30000000.0
CY2020Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
5893300000
CY2021 us-gaap Profit Loss
ProfitLoss
702800000
CY2021 us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
6100000
CY2021 us-gaap Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
19500000
CY2021 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
43000000.0
CY2021 us-gaap Minority Interest Decrease From Distributions To Noncontrolling Interest Holders
MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
600000
CY2021Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
6537600000
CY2021 mlm Number Of Quarries And Yards
NumberOfQuarriesAndYards
350
CY2021Q4 mlm Number Of States With Aggregates Business Sales By Destination
NumberOfStatesWithAggregatesBusinessSalesByDestination
28
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
304400000
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
21000000.0
CY2021Q4 us-gaap Restricted Cash
RestrictedCash
500000
CY2020Q4 us-gaap Restricted Cash
RestrictedCash
97100000
CY2021 mlm Number Of Days Restricted From Utilizing Cash
NumberOfDaysRestrictedFromUtilizingCash
P180D
CY2019 mlm Out Of Period Expense
OutOfPeriodExpense
15700000
CY2021 mlm Number Of Days Restricted From Utilizing Cash
NumberOfDaysRestrictedFromUtilizingCash
P180D
CY2020Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
207300000
CY2019Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
21000000.0
CY2021Q4 us-gaap Restricted Cash
RestrictedCash
500000
CY2020Q4 us-gaap Restricted Cash
RestrictedCash
97100000
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
258900000
CY2021 mlm Retirement Plans And Postretirement Benefits Amortized Amount Representing Percentage Of Greater Of Projected Benefit Obligation Or Pension Plan Assets
RetirementPlansAndPostretirementBenefitsAmortizedAmountRepresentingPercentageOfGreaterOfProjectedBenefitObligationOrPensionPlanAssets
0.10
CY2021Q4 us-gaap Deferred Tax Assets Other Comprehensive Loss
DeferredTaxAssetsOtherComprehensiveLoss
69700000
CY2021 us-gaap Prior Period Reclassification Adjustment Description
PriorPeriodReclassificationAdjustmentDescription
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-style:italic;color:#4EAD8A;font-size:10pt;font-family:Calibri;text-transform:none;font-variant: normal;">Reclassifications<span style="font-style:normal;">. </span><span style="font-weight:normal;font-style:normal;color:#000000;">Certain reclassifications were made to the comparative years’ financial statements and notes to the financial statements to conform to the December 31, 2021 presentation.  Such reclassifications had no impact on the Company’s previously reported results of operations, financial position or cash flows. </span></p>
CY2021 mlm Minimum Likelihood For Recognition Of Tax Benefit Related To Uncertain Tax Position
MinimumLikelihoodForRecognitionOfTaxBenefitRelatedToUncertainTaxPosition
0.50
CY2021 us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
51600000
CY2020 us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
-26000000.0
CY2020 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-13400000
CY2020Q4 us-gaap Deferred Tax Assets Other Comprehensive Loss
DeferredTaxAssetsOtherComprehensiveLoss
89400000
CY2019 us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
-13300000
CY2019 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-11100000
CY2021 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
702000000.0
CY2020 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
721000000.0
CY2019 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
611900000
CY2021 us-gaap Participating Securities Distributed And Undistributed Earnings Loss Diluted
ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted
200000
CY2021 mlm Basic And Diluted Net Income Loss From Continuing Operations Attributable To Common Shareholders Of Reporting Entity
BasicAndDilutedNetIncomeLossFromContinuingOperationsAttributableToCommonShareholdersOfReportingEntity
701800000
CY2020 mlm Basic And Diluted Net Income Loss From Continuing Operations Attributable To Common Shareholders Of Reporting Entity
BasicAndDilutedNetIncomeLossFromContinuingOperationsAttributableToCommonShareholdersOfReportingEntity
720400000
CY2019 mlm Basic And Diluted Net Income Loss From Continuing Operations Attributable To Common Shareholders Of Reporting Entity
BasicAndDilutedNetIncomeLossFromContinuingOperationsAttributableToCommonShareholdersOfReportingEntity
611000000.0
CY2021 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62400000
CY2020 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62300000
CY2019 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62500000
CY2021 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
200000
CY2021 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62600000
CY2020 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62400000
CY2019 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62700000
CY2021 us-gaap Revenue Performance Obligation Description Of Timing
RevenuePerformanceObligationDescriptionOfTiming
Performance obligations within paving service agreements are satisfied over time, primarily ranging from one day to two years. For product revenues and freight revenues, customer payment terms are generally 30 days from invoice date. Customer payments for the paving operations are based on a contractual billing schedule and are due 30 days from invoice date.
CY2021 mlm Product And Freight Revenues Customer Payment Terms
ProductAndFreightRevenuesCustomerPaymentTerms
P30D
CY2021 mlm Customer Payment Terms Based On Contractual Billing
CustomerPaymentTermsBasedOnContractualBilling
P30D
CY2021Q4 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
153900000
CY2020Q4 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
110100000
CY2021 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
5414000000.0
CY2020 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4729900000
CY2019 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4739100000
CY2021Q4 us-gaap Contract With Customer Asset Net
ContractWithCustomerAssetNet
4300000
CY2020Q4 us-gaap Contract With Customer Asset Net
ContractWithCustomerAssetNet
2200000
CY2021Q4 us-gaap Contract With Customer Liability
ContractWithCustomerLiability
7800000
CY2020Q4 us-gaap Contract With Customer Liability
ContractWithCustomerLiability
14000000.0
CY2021 us-gaap Contract With Customer Liability Revenue Recognized
ContractWithCustomerLiabilityRevenueRecognized
13600000
CY2020 us-gaap Contract With Customer Liability Revenue Recognized
ContractWithCustomerLiabilityRevenueRecognized
6900000
CY2021Q4 us-gaap Construction Contractor Receivable Retainage
ConstructionContractorReceivableRetainage
10500000
CY2020Q4 us-gaap Construction Contractor Receivable Retainage
ConstructionContractorReceivableRetainage
10600000
CY2021 us-gaap Goodwill Acquired During Period
GoodwillAcquiredDuringPeriod
1080400000
CY2021Q4 us-gaap Goodwill
Goodwill
3494400000
CY2019Q4 us-gaap Goodwill
Goodwill
2396800000
CY2020 us-gaap Goodwill Acquired During Period
GoodwillAcquiredDuringPeriod
17300000
CY2020 us-gaap Goodwill Written Off Related To Sale Of Business Unit
GoodwillWrittenOffRelatedToSaleOfBusinessUnit
100000
CY2020Q4 us-gaap Goodwill
Goodwill
2414000000.0
CY2021Q4 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
1166400000
CY2021Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
137400000
CY2021Q4 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
1029000000.0
CY2020Q4 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
585400000
CY2020Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
113400000
CY2020Q4 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
472000000.0
CY2020Q4 us-gaap Indefinite Lived Intangible Assets Excluding Goodwill
IndefiniteLivedIntangibleAssetsExcludingGoodwill
36000000.0
CY2021Q4 us-gaap Indefinite Lived Intangible Assets Excluding Goodwill
IndefiniteLivedIntangibleAssetsExcludingGoodwill
36000000.0
CY2021 mlm Finite Lived And Indefinite Lived Intangible Assets Acquired
FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquired
845900000
CY2021 us-gaap Indefinitelived Intangible Assets Acquired
IndefinitelivedIntangibleAssetsAcquired
264900000
CY2021 us-gaap Finitelived Intangible Assets Acquired1
FinitelivedIntangibleAssetsAcquired1
581000000.0
CY2021 us-gaap Acquired Finite Lived Intangible Assets Weighted Average Useful Life
AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
P31Y
CY2021 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
24000000.0
CY2020 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
13400000
CY2019 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
13000000.0
CY2021Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
34100000
CY2021Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
33800000
CY2021Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
33600000
CY2021Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
33400000
CY2021Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
31900000
CY2021Q4 us-gaap Finite Lived Intangible Assets Amortization Expense After Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
862200000
CY2021Q4 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
1029000000.0
CY2021Q4 mlm Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Mineral Reserves
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMineralReserves
332000000.0
CY2021 us-gaap Business Acquisitions Pro Forma Revenue
BusinessAcquisitionsProFormaRevenue
5755100000
CY2020 us-gaap Business Acquisitions Pro Forma Revenue
BusinessAcquisitionsProFormaRevenue
5184900000
CY2021 us-gaap Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax
BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax
737300000
CY2020 us-gaap Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax
BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax
642400000
CY2021 us-gaap Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted
BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted
11.78
CY2020 us-gaap Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted
BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted
10.30
CY2021 us-gaap Disposal Group Including Discontinued Operation Revenue
DisposalGroupIncludingDiscontinuedOperationRevenue
79200000
CY2021 us-gaap Disposal Group Including Discontinued Operation Operating Income Loss
DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
6600000
CY2021 mlm Discontinued Operation Gain Loss On Disposal
DiscontinuedOperationGainLossOnDisposal
-6000000.0
CY2021 us-gaap Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax
DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax
600000
CY2021 us-gaap Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
100000
CY2021 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
500000
CY2021 us-gaap Cash Provided By Used In Operating Activities Discontinued Operations
CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
11900000
CY2021 us-gaap Cash Provided By Used In Investing Activities Discontinued Operations
CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
11900000
CY2021 mlm Non Cash Provided By Used In Operating Activities Discontinued Operations
NonCashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
14800000
CY2021 mlm Non Cash Provided By Used In Investing Activities Discontinued Operations
NonCashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
14800000
CY2021 mlm Right Of Use Asset Obtained In Exchange For Operating Lease Liability Discontinued Operations
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiabilityDiscontinuedOperations
19700000
CY2021 mlm Right Of Use Asset Obtained In Exchange For Finance Lease Liability Discontinued Operations
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiabilityDiscontinuedOperations
19700000
CY2021Q4 us-gaap Disposal Group Including Discontinued Operation Inventory Current
DisposalGroupIncludingDiscontinuedOperationInventoryCurrent
53100000
CY2020Q4 us-gaap Disposal Group Including Discontinued Operation Inventory Current
DisposalGroupIncludingDiscontinuedOperationInventoryCurrent
2300000
CY2020Q4 us-gaap Disposal Group Including Discontinued Operation Property Plant And Equipment Current
DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent
4800000
CY2020Q4 us-gaap Disposal Group Including Discontinued Operation Intangible Assets Current
DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent
200000
CY2020Q4 us-gaap Disposal Group Including Discontinued Operation Goodwill Current
DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent
500000
CY2021Q4 us-gaap Disposal Group Including Discontinued Operation Other Current Assets
DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets
49100000
CY2020Q4 us-gaap Disposal Group Including Discontinued Operation Other Current Assets
DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets
2000000.0
CY2021Q4 us-gaap Assets Of Disposal Group Including Discontinued Operation Current
AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
102200000
CY2020Q4 us-gaap Assets Of Disposal Group Including Discontinued Operation Current
AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
9800000
CY2021Q4 us-gaap Disposal Group Including Discontinued Operation Property Plant And Equipment Noncurrent
DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent
226000000.0
CY2021Q4 us-gaap Disposal Group Including Discontinued Operation Intangible Assets Noncurrent
DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent
264900000
CY2021Q4 mlm Disposal Group Including Discontinued Operation Lease Right Of Use Assets
DisposalGroupIncludingDiscontinuedOperationLeaseRightOfUseAssets
18100000
CY2021Q4 us-gaap Disposal Group Including Discontinued Operation Goodwill Noncurrent
DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent
109300000
CY2021Q4 us-gaap Disposal Group Including Discontinued Operation Other Noncurrent Assets
DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets
4600000
CY2021Q4 mlm Disposal Group Including Discontinued Operation Valuation Allowance For Loss On Sale
DisposalGroupIncludingDiscontinuedOperationValuationAllowanceForLossOnSale
6000000.0
CY2021Q4 us-gaap Disposal Group Including Discontinued Operation Assets Noncurrent
DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent
616900000
CY2020Q4 mlm Disposal Group Including Discontinued Operation Asset Retirement Obligations Current
DisposalGroupIncludingDiscontinuedOperationAssetRetirementObligationsCurrent
300000
CY2021Q4 mlm Disposal Group Including Discontinued Operation Lease Obligations Current
DisposalGroupIncludingDiscontinuedOperationLeaseObligationsCurrent
7500000
CY2021Q4 us-gaap Liabilities Of Disposal Group Including Discontinued Operation Current
LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
7500000
CY2020Q4 us-gaap Liabilities Of Disposal Group Including Discontinued Operation Current
LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
300000
CY2021Q4 mlm Disposal Group Including Discontinued Operation Asset Retirement Obligations Noncurrent
DisposalGroupIncludingDiscontinuedOperationAssetRetirementObligationsNoncurrent
31500000
CY2021Q4 mlm Disposal Group Including Discontinued Operation Lease Obligations Noncurrent
DisposalGroupIncludingDiscontinuedOperationLeaseObligationsNoncurrent
22000000.0
CY2021Q4 us-gaap Liabilities Of Disposal Group Including Discontinued Operation Noncurrent
LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent
53500000
CY2020Q4 us-gaap Inventory Work In Process
InventoryWorkInProcess
37100000
CY2021Q4 us-gaap Inventory Raw Materials
InventoryRawMaterials
69600000
CY2020Q4 us-gaap Inventory Raw Materials
InventoryRawMaterials
35300000
CY2021Q4 us-gaap Other Inventory Supplies
OtherInventorySupplies
153900000
CY2021Q4 us-gaap Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
767500000
CY2020Q4 us-gaap Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
572600000
CY2021Q4 us-gaap Other Receivables Gross Current
OtherReceivablesGrossCurrent
12300000
CY2020Q4 us-gaap Other Receivables Gross Current
OtherReceivablesGrossCurrent
8400000
CY2021Q4 mlm Accounts And Other Receivables Gross Current
AccountsAndOtherReceivablesGrossCurrent
779800000
CY2020Q4 mlm Accounts And Other Receivables Gross Current
AccountsAndOtherReceivablesGrossCurrent
581000000.0
CY2021Q4 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
5800000
CY2020Q4 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
5900000
CY2021Q4 us-gaap Accounts And Other Receivables Net Current
AccountsAndOtherReceivablesNetCurrent
774000000.0
CY2020Q4 us-gaap Accounts And Other Receivables Net Current
AccountsAndOtherReceivablesNetCurrent
575100000
CY2021Q4 us-gaap Due From Affiliate Current
DueFromAffiliateCurrent
4500000
CY2020Q4 us-gaap Due From Affiliate Current
DueFromAffiliateCurrent
3900000
CY2021Q4 us-gaap Long Term Debt
LongTermDebt
5100900000
CY2020Q4 us-gaap Long Term Debt
LongTermDebt
2625800000
CY2021Q4 us-gaap Long Term Debt Current
LongTermDebtCurrent
100000
CY2021Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
5100800000
CY2020Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
2625800000
CY2020Q1 us-gaap Debt Instrument Redemption Price Percentage
DebtInstrumentRedemptionPricePercentage
1
CY2021 us-gaap Debt Instrument Redemption Price Percentage
DebtInstrumentRedemptionPricePercentage
1.01
CY2021Q4 us-gaap Inventory Finished Goods
InventoryFinishedGoods
713300000
CY2020Q4 us-gaap Inventory Finished Goods
InventoryFinishedGoods
667000000.0
CY2021Q4 us-gaap Inventory Work In Process
InventoryWorkInProcess
30100000
CY2020Q4 us-gaap Other Inventory Supplies
OtherInventorySupplies
149900000
CY2021Q4 us-gaap Inventory Gross
InventoryGross
966900000
CY2020Q4 us-gaap Inventory Gross
InventoryGross
889300000
CY2021Q4 us-gaap Inventory Valuation Reserves
InventoryValuationReserves
214300000
CY2020Q4 us-gaap Inventory Valuation Reserves
InventoryValuationReserves
180300000
CY2021Q4 us-gaap Inventory Net
InventoryNet
752600000
CY2020Q4 us-gaap Inventory Net
InventoryNet
709000000.0
CY2021Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
10370000000.0
CY2020Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
8955000000.0
CY2021Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
4032000000.0
CY2020Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
3712700000
CY2021Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
6338000000.0
CY2020Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
5242300000
CY2021 mlm Depreciation And Depletion And Amortization Excluding Portion Attributable To Machinery And Equipment Under Capital Leases
DepreciationAndDepletionAndAmortizationExcludingPortionAttributableToMachineryAndEquipmentUnderCapitalLeases
422400000
CY2020 mlm Depreciation And Depletion And Amortization Excluding Portion Attributable To Machinery And Equipment Under Capital Leases
DepreciationAndDepletionAndAmortizationExcludingPortionAttributableToMachineryAndEquipmentUnderCapitalLeases
376300000
CY2019 mlm Depreciation And Depletion And Amortization Excluding Portion Attributable To Machinery And Equipment Under Capital Leases
DepreciationAndDepletionAndAmortizationExcludingPortionAttributableToMachineryAndEquipmentUnderCapitalLeases
354400000
CY2021 us-gaap Interest Costs Capitalized
InterestCostsCapitalized
5600000
CY2020 us-gaap Interest Costs Capitalized
InterestCostsCapitalized
4200000
CY2019 us-gaap Interest Costs Capitalized
InterestCostsCapitalized
5100000
CY2021 mlm Maximum Consolidated Debt Reduction For Unrestricted Cash And Temporary Investments For Debt Covenant Calculation
MaximumConsolidatedDebtReductionForUnrestrictedCashAndTemporaryInvestmentsForDebtCovenantCalculation
500000000.0
CY2021Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
100000
CY2021Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
697400000
CY2021Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
398200000
CY2021Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
124600000
CY2021Q4 us-gaap Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
3880600000
CY2021Q4 us-gaap Long Term Debt
LongTermDebt
5100900000
CY2021Q4 us-gaap Long Term Debt
LongTermDebt
5100000000
CY2021Q4 us-gaap Long Term Debt Fair Value
LongTermDebtFairValue
5450000000
CY2020Q4 us-gaap Long Term Debt
LongTermDebt
2630000000
CY2020Q4 us-gaap Long Term Debt Fair Value
LongTermDebtFairValue
3080000000.00
CY2021 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
66300000
CY2020 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
91900000
CY2019 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
83900000
CY2021 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
61400000
CY2020 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
45400000
CY2019 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
31100000
CY2021 us-gaap Federal Income Tax Expense Benefit Continuing Operations
FederalIncomeTaxExpenseBenefitContinuingOperations
127700000
CY2020 us-gaap Federal Income Tax Expense Benefit Continuing Operations
FederalIncomeTaxExpenseBenefitContinuingOperations
137300000
CY2019 us-gaap Federal Income Tax Expense Benefit Continuing Operations
FederalIncomeTaxExpenseBenefitContinuingOperations
115000000.0
CY2021 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
18700000
CY2020 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
21000000.0
CY2019 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
20500000
CY2021 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
6500000
CY2020 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
8700000
CY2019 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
-1500000
CY2021 us-gaap State And Local Income Tax Expense Benefit Continuing Operations
StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
25200000
CY2020 us-gaap State And Local Income Tax Expense Benefit Continuing Operations
StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
29700000
CY2019 us-gaap State And Local Income Tax Expense Benefit Continuing Operations
StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
19000000.0
CY2020 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
1200000
CY2019 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
2800000
CY2021 us-gaap Deferred Foreign Income Tax Expense Benefit
DeferredForeignIncomeTaxExpenseBenefit
300000
CY2019 us-gaap Deferred Foreign Income Tax Expense Benefit
DeferredForeignIncomeTaxExpenseBenefit
-500000
CY2021 us-gaap Foreign Income Tax Expense Benefit Continuing Operations
ForeignIncomeTaxExpenseBenefitContinuingOperations
300000
CY2020 us-gaap Foreign Income Tax Expense Benefit Continuing Operations
ForeignIncomeTaxExpenseBenefitContinuingOperations
1200000
CY2019 us-gaap Foreign Income Tax Expense Benefit Continuing Operations
ForeignIncomeTaxExpenseBenefitContinuingOperations
2300000
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
153200000
CY2020 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
168200000
CY2019 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
136300000
CY2021 us-gaap Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
7500000
CY2020 us-gaap Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
8900000
CY2019 us-gaap Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
15100000
CY2021 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.210
CY2020 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.210
CY2019 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.210
CY2021 mlm Effective Income Tax Rate Reconciliation Statutory Depletion Deduction
EffectiveIncomeTaxRateReconciliationStatutoryDepletionDeduction
0.035
CY2020 mlm Effective Income Tax Rate Reconciliation Statutory Depletion Deduction
EffectiveIncomeTaxRateReconciliationStatutoryDepletionDeduction
0.028
CY2019 mlm Effective Income Tax Rate Reconciliation Statutory Depletion Deduction
EffectiveIncomeTaxRateReconciliationStatutoryDepletionDeduction
0.034
CY2021 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.023
CY2020 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.026
CY2019 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.020
CY2021 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Foreign
EffectiveIncomeTaxRateReconciliationTaxCreditsForeign
0.014
CY2020 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Foreign
EffectiveIncomeTaxRateReconciliationTaxCreditsForeign
0.013
CY2019 mlm Effective Income Tax Rate Reconciliation Change In Tax Status Of Subsidiary
EffectiveIncomeTaxRateReconciliationChangeInTaxStatusOfSubsidiary
0.017
CY2021 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.005
CY2020 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.006
CY2019 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0.003
CY2021 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.179
CY2020 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.189
CY2019 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.182
CY2019 us-gaap Income Tax Reconciliation Deductions
IncomeTaxReconciliationDeductions
15200000
CY2021Q4 us-gaap Deferred Tax Assets Inventory
DeferredTaxAssetsInventory
100200000
CY2020Q4 us-gaap Deferred Tax Assets Inventory
DeferredTaxAssetsInventory
69600000
CY2021Q4 mlm Deferred Tax Assets Valuation And Other Reserves
DeferredTaxAssetsValuationAndOtherReserves
23300000
CY2020Q4 mlm Deferred Tax Assets Valuation And Other Reserves
DeferredTaxAssetsValuationAndOtherReserves
34700000
CY2021Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
2600000
CY2020Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
9000000.0
CY2021Q4 us-gaap Deferred Tax Assets Other Comprehensive Loss
DeferredTaxAssetsOtherComprehensiveLoss
69700000
CY2020Q4 us-gaap Deferred Tax Assets Other Comprehensive Loss
DeferredTaxAssetsOtherComprehensiveLoss
89400000
CY2021Q4 mlm Deferred Tax Assets Lease Liability
DeferredTaxAssetsLeaseLiability
150100000
CY2020Q4 mlm Deferred Tax Assets Lease Liability
DeferredTaxAssetsLeaseLiability
105600000
CY2021Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
2200000
CY2020Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
2300000
CY2021Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
348100000
CY2020Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
310600000
CY2021Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
2800000
CY2020 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
200000
CY2021 mlm Unrecognized Tax Benefits Excluding Interest And Correlative Effects
UnrecognizedTaxBenefitsExcludingInterestAndCorrelativeEffects
200000
CY2020 mlm Unrecognized Tax Benefits Excluding Interest And Correlative Effects
UnrecognizedTaxBenefitsExcludingInterestAndCorrelativeEffects
200000
CY2019 mlm Unrecognized Tax Benefits Excluding Interest And Correlative Effects
UnrecognizedTaxBenefitsExcludingInterestAndCorrelativeEffects
1700000
CY2020Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
8200000
CY2019Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
25500000
CY2018Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
24100000
CY2021 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
500000
CY2020Q4 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
6400000
CY2019Q4 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
15500000
CY2021 mlm Unrecognized Tax Benefits Reversed Into Income Upon The Statute Of Limitations Expiration
UnrecognizedTaxBenefitsReversedIntoIncomeUponTheStatuteOfLimitationsExpiration
1600000
CY2020 mlm Unrecognized Tax Benefits Reversed Into Income Upon The Statute Of Limitations Expiration
UnrecognizedTaxBenefitsReversedIntoIncomeUponTheStatuteOfLimitationsExpiration
9700000
CY2021Q4 us-gaap Defined Benefit Plan Assets For Plan Benefits Noncurrent
DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
179200000
CY2020Q4 us-gaap Defined Benefit Plan Assets For Plan Benefits Noncurrent
DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
42000000.0
CY2021Q4 us-gaap Defined Benefit Pension Plan Liabilities Current
DefinedBenefitPensionPlanLiabilitiesCurrent
14800000
CY2020Q4 us-gaap Defined Benefit Pension Plan Liabilities Current
DefinedBenefitPensionPlanLiabilitiesCurrent
7200000
CY2020Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
8100000
CY2021Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
345300000
CY2020Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
302500000
CY2021Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
840600000
CY2020Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
743300000
CY2021Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
160200000
CY2020Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
154600000
CY2021Q4 mlm Deferred Tax Liabilities Right Of Use Assets
DeferredTaxLiabilitiesRightOfUseAssets
155200000
CY2020Q4 mlm Deferred Tax Liabilities Right Of Use Assets
DeferredTaxLiabilitiesRightOfUseAssets
111300000
CY2021Q4 us-gaap Deferred Tax Liabilities Investments
DeferredTaxLiabilitiesInvestments
29100000
CY2020Q4 us-gaap Deferred Tax Liabilities Investments
DeferredTaxLiabilitiesInvestments
27400000
CY2021Q4 mlm Deferred Tax Liabilities Employee Benefits
DeferredTaxLiabilitiesEmployeeBenefits
55500000
CY2020Q4 mlm Deferred Tax Liabilities Employee Benefits
DeferredTaxLiabilitiesEmployeeBenefits
47400000
CY2021Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
1240600000
CY2020Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
1084000000.0
CY2021Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
895300000
CY2020Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
781500000
CY2021 mlm Domestic And Foreign Operating Loss Carry Forward Expiration Date
DomesticAndForeignOperatingLossCarryForwardExpirationDate
2041
CY2021Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
2600000
CY2020Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
9000000.0
CY2021Q4 us-gaap Operating Loss Carryforwards Valuation Allowance
OperatingLossCarryforwardsValuationAllowance
2200000
CY2020Q4 us-gaap Operating Loss Carryforwards Valuation Allowance
OperatingLossCarryforwardsValuationAllowance
8100000
CY2019 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
400000
CY2021 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
100000
CY2020 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
100000
CY2019 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
1800000
CY2020 us-gaap Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions
200000
CY2019 us-gaap Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions
800000
CY2021 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
3400000
CY2020 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
17400000
CY2021Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
5400000
CY2020Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
8200000
CY2019Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
25500000
CY2021Q4 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
5500000
CY2021Q4 us-gaap Defined Benefit Pension Plan Liabilities Noncurrent
DefinedBenefitPensionPlanLiabilitiesNoncurrent
99600000
CY2020Q4 us-gaap Defined Benefit Pension Plan Liabilities Noncurrent
DefinedBenefitPensionPlanLiabilitiesNoncurrent
108800000
CY2021Q4 us-gaap Defined Benefit Plan Amounts Recognized In Balance Sheet
DefinedBenefitPlanAmountsRecognizedInBalanceSheet
64800000
CY2020Q4 us-gaap Defined Benefit Plan Amounts Recognized In Balance Sheet
DefinedBenefitPlanAmountsRecognizedInBalanceSheet
-74000000.0
CY2021Q4 us-gaap Defined Benefit Plan Accumulated Benefit Obligation
DefinedBenefitPlanAccumulatedBenefitObligation
1000000000.00
CY2020Q4 us-gaap Defined Benefit Plan Accumulated Benefit Obligation
DefinedBenefitPlanAccumulatedBenefitObligation
974000000.0
CY2021Q4 us-gaap Defined Benefit Plan Plan Assets Target Allocation Percentage
DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
1
CY2021Q4 us-gaap Defined Benefit Plan Weighted Average Asset Allocations
DefinedBenefitPlanWeightedAverageAssetAllocations
1
CY2020Q4 us-gaap Defined Benefit Plan Weighted Average Asset Allocations
DefinedBenefitPlanWeightedAverageAssetAllocations
1
CY2021Q4 us-gaap Defined Benefit Plan Fair Value Of Plan Assets
DefinedBenefitPlanFairValueOfPlanAssets
1200300000
CY2020Q4 us-gaap Defined Benefit Plan Fair Value Of Plan Assets
DefinedBenefitPlanFairValueOfPlanAssets
1037900000
CY2021 us-gaap Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
82800000
CY2020 us-gaap Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
88400000
CY2021Q4 us-gaap Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year
DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
93500000
CY2021Q4 mlm Other Postretirement Defined Benefit Plan Liabilities Current
OtherPostretirementDefinedBenefitPlanLiabilitiesCurrent
1200000
CY2020Q4 mlm Other Postretirement Defined Benefit Plan Liabilities Current
OtherPostretirementDefinedBenefitPlanLiabilitiesCurrent
1300000
CY2021Q4 us-gaap Other Postretirement Defined Benefit Plan Liabilities Noncurrent
OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
10200000
CY2020Q4 us-gaap Other Postretirement Defined Benefit Plan Liabilities Noncurrent
OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
11300000
CY2021Q4 us-gaap Other Postretirement Defined Benefit Plan Liabilities Current And Noncurrent
OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent
11400000
CY2020Q4 us-gaap Other Postretirement Defined Benefit Plan Liabilities Current And Noncurrent
OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent
12600000
CY2021Q4 us-gaap Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year
DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
0.0625
CY2020Q4 us-gaap Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year
DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
0.0650
CY2021Q4 us-gaap Defined Benefit Plan Ultimate Health Care Cost Trend Rate1
DefinedBenefitPlanUltimateHealthCareCostTrendRate1
0.0475
CY2020Q4 us-gaap Defined Benefit Plan Ultimate Health Care Cost Trend Rate1
DefinedBenefitPlanUltimateHealthCareCostTrendRate1
0.0475
CY2021 us-gaap Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate
DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate
2028
CY2020 us-gaap Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate
DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate
2028
CY2021 us-gaap Description Of Defined Contribution Pension And Other Postretirement Plans
DescriptionOfDefinedContributionPensionAndOtherPostretirementPlans
401(a)
CY2021 us-gaap Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
20500000
CY2020 us-gaap Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
17900000
CY2019 us-gaap Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
17600000
CY2021 mlm Percentage Of Incentive Compensation To Acquire Shares Maximum
PercentageOfIncentiveCompensationToAcquireSharesMaximum
0.50
CY2021 mlm Percentage Of Discount Rate To Market Value On Incentive Compensation
PercentageOfDiscountRateToMarketValueOnIncentiveCompensation
0.20
CY2020Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
31089
CY2020Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
129.00
CY2021 us-gaap Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
10385
CY2021 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
120.89
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
140
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
57.71
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
20564
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
133.59
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
20564
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
133.59
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
2300000
CY2020 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
3300000
CY2019 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
21600000
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
6300000
CY2021Q4 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
6300000
CY2021Q4 mlm Common Stock Price
CommonStockPrice
440.52
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
500000
CY2016 mlm Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Available For Grant
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAvailableForGrant
800000
CY2021 us-gaap Share Based Compensation
ShareBasedCompensation
43000000.0
CY2020 us-gaap Share Based Compensation
ShareBasedCompensation
30000000.0
CY2019 us-gaap Share Based Compensation
ShareBasedCompensation
34100000
CY2021Q4 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
37800000
CY2021 mlm Future Share Based Compensation Expense Year One
FutureShareBasedCompensationExpenseYearOne
21900000
CY2021 mlm Future Share Based Compensation Expense Year Two
FutureShareBasedCompensationExpenseYearTwo
11800000
CY2021 mlm Future Share Based Compensation Expense Year Three
FutureShareBasedCompensationExpenseYearThree
2400000
CY2021 mlm Future Share Based Compensation Expense Year Four
FutureShareBasedCompensationExpenseYearFour
1200000
CY2021 mlm Future Share Based Compensation Expense Year Five
FutureShareBasedCompensationExpenseYearFive
500000
CY2021 mlm Future Share Based Compensation Expense
FutureShareBasedCompensationExpense
37800000
CY2021 us-gaap Lessee Finance Lease Option To Extend
LesseeFinanceLeaseOptionToExtend
options to extend the leases for up to 30 years
CY2021 us-gaap Lessee Finance Lease Option To Terminate
LesseeFinanceLeaseOptionToTerminate
options to terminate the leases within one year
CY2021 us-gaap Operating Lease Cost
OperatingLeaseCost
72900000
CY2020 us-gaap Operating Lease Cost
OperatingLeaseCost
79000000.0
CY2021 us-gaap Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
14300000
CY2020 us-gaap Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
3600000
CY2021 us-gaap Finance Lease Interest Expense
FinanceLeaseInterestExpense
3500000
CY2020 us-gaap Finance Lease Interest Expense
FinanceLeaseInterestExpense
600000
CY2021 us-gaap Variable Lease Cost
VariableLeaseCost
17900000
CY2020 us-gaap Variable Lease Cost
VariableLeaseCost
16900000
CY2021 us-gaap Short Term Lease Cost
ShortTermLeaseCost
32300000
CY2020 us-gaap Short Term Lease Cost
ShortTermLeaseCost
31300000
CY2021 us-gaap Lease Cost
LeaseCost
140900000
CY2020 us-gaap Lease Cost
LeaseCost
131400000
CY2021 us-gaap Royalty Expense
RoyaltyExpense
67100000
CY2020 us-gaap Royalty Expense
RoyaltyExpense
60800000
CY2019 us-gaap Royalty Expense
RoyaltyExpense
58200000
CY2021Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
426700000
CY2020Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
453000000.0
CY2021Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
53900000
CY2020Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
48600000
CY2021Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
379400000
CY2020Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
410400000
CY2021Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
433300000
CY2020Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
459000000.0
CY2021Q4 mlm Finance Lease Right Of Use Asset Property Plant And Equipment Gross
FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentGross
225900000
CY2020Q4 mlm Finance Lease Right Of Use Asset Property Plant And Equipment Gross
FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentGross
37800000
CY2021Q4 mlm Finance Lease Right Of Use Asset Accumulated Depreciation Property Plant And Equipment
FinanceLeaseRightOfUseAssetAccumulatedDepreciationPropertyPlantAndEquipment
21200000
CY2020Q4 mlm Finance Lease Right Of Use Asset Accumulated Depreciation Property Plant And Equipment
FinanceLeaseRightOfUseAssetAccumulatedDepreciationPropertyPlantAndEquipment
6900000
CY2021Q4 mlm Finance Lease Right Of Use Asset Property Plant And Equipment Net
FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentNet
204700000
CY2020Q4 mlm Finance Lease Right Of Use Asset Property Plant And Equipment Net
FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentNet
30900000
CY2021Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
13300000
CY2020Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
3300000
CY2021Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
191100000
CY2020Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
21200000
CY2021Q4 us-gaap Finance Lease Liability
FinanceLeaseLiability
204400000
CY2020Q4 us-gaap Finance Lease Liability
FinanceLeaseLiability
24500000
CY2021Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.039
CY2020Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.042
CY2021Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.023
CY2020Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.033
CY2021Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
53900000
CY2021Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
13300000
CY2021Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
379400000
CY2021Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
191100000
CY2021Q4 mlm Lessee Operating Lease Liability Undiscounted Fixed Payment Commitments Of Leases But Not Yet Commenced
LesseeOperatingLeaseLiabilityUndiscountedFixedPaymentCommitmentsOfLeasesButNotYetCommenced
2000000.0
CY2021Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
100000000.0
CY2021Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.01
CY2021Q4 us-gaap Common Stock Capital Shares Reserved For Future Issuance
CommonStockCapitalSharesReservedForFutureIssuance
1300000
CY2021 us-gaap Stock Repurchased During Period Shares
StockRepurchasedDuringPeriodShares
0
CY2020 us-gaap Stock Repurchased During Period Shares
StockRepurchasedDuringPeriodShares
200000
CY2019 us-gaap Stock Repurchased During Period Shares
StockRepurchasedDuringPeriodShares
400000
CY2021Q4 us-gaap Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased
StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
13500000
CY2021 mlm Asset Retirement Obligation Depreciation And Accretion
AssetRetirementObligationDepreciationAndAccretion
11900000
CY2021Q4 mlm Guarantee Obligations Outstanding
GuaranteeObligationsOutstanding
4800000
CY2021Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On First Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
161300000
CY2021Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
36500000
CY2021Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
25800000
CY2021Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
8400000
CY2021Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
7800000
CY2021Q4 us-gaap Unrecorded Unconditional Purchase Obligation Due After Five Years
UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
56600000
CY2021Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance Sheet Amount
UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
296400000
CY2021 us-gaap Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
99000000.0
CY2020 mlm Asset Retirement Obligation Depreciation And Accretion
AssetRetirementObligationDepreciationAndAccretion
14500000
CY2019 mlm Asset Retirement Obligation Depreciation And Accretion
AssetRetirementObligationDepreciationAndAccretion
9100000
CY2020Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
153800000
CY2019Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
143900000
CY2021 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
7200000
CY2020 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
5900000
CY2021 us-gaap Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
179000000.0
CY2020 us-gaap Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
300000
CY2021 mlm Asset Retirement Obligation Liabilities Settled Recoveries
AssetRetirementObligationLiabilitiesSettledRecoveries
-5200000
CY2020 mlm Asset Retirement Obligation Liabilities Settled Recoveries
AssetRetirementObligationLiabilitiesSettledRecoveries
-10300000
CY2021 us-gaap Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
3500000
CY2020 us-gaap Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
14000000.0
CY2021 mlm Asset Retirement Obligation Liabilities Reclassified To Held For Sale
AssetRetirementObligationLiabilitiesReclassifiedToHeldForSale
-31500000
CY2021Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
306800000
CY2020Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
153800000
CY2021Q4 us-gaap Accrued Insurance Noncurrent
AccruedInsuranceNoncurrent
42000000.0
CY2020Q4 us-gaap Accrued Insurance Noncurrent
AccruedInsuranceNoncurrent
37700000
CY2021Q4 us-gaap Letters Of Credit Outstanding Amount
LettersOfCreditOutstandingAmount
17200000
CY2021Q4 mlm Surety Bonds
SuretyBonds
419700000
CY2021Q4 us-gaap Guarantee Obligations Maximum Exposure
GuaranteeObligationsMaximumExposure
12500000
CY2020 us-gaap Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
77000000.0
CY2019 us-gaap Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
106700000
CY2019 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
302700000
CY2021 us-gaap Operating Income Loss
OperatingIncomeLoss
973800000
CY2020 us-gaap Operating Income Loss
OperatingIncomeLoss
1005400000
CY2019 us-gaap Operating Income Loss
OperatingIncomeLoss
884900000
CY2021Q4 us-gaap Assets
Assets
14393000000.0
CY2020Q4 us-gaap Assets
Assets
10580800000
CY2019Q4 us-gaap Assets
Assets
10131600000
CY2021 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
451700000
CY2020 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
393500000
CY2019 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
371500000
CY2021 us-gaap Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
1541500000
CY2020 us-gaap Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
387200000
CY2021Q4 mlm Future Minimum Lease Commitments Related To Contracts Of Affreightment Due Next Twelve Months
FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueNextTwelveMonths
51900000
CY2021Q4 mlm Royalty Commitments Future Minimum Payments Due Next Twelve Months
RoyaltyCommitmentsFutureMinimumPaymentsDueNextTwelveMonths
22800000
CY2021Q4 mlm Future Minimum Lease Commitments Related To Contracts Of Affreightment Due Year Two
FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearTwo
28200000
CY2021Q4 mlm Royalty Commitments Future Minimum Payments Due Year Two
RoyaltyCommitmentsFutureMinimumPaymentsDueYearTwo
14300000
CY2021Q4 mlm Future Minimum Lease Commitments Related To Contracts Of Affreightment Due Year Three
FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearThree
23500000
CY2021Q4 mlm Royalty Commitments Future Minimum Payments Due Year Three
RoyaltyCommitmentsFutureMinimumPaymentsDueYearThree
13000000.0
CY2021Q4 mlm Future Minimum Lease Commitments Related To Contracts Of Affreightment Due Year Four
FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFour
23800000
CY2021Q4 mlm Royalty Commitments Future Minimum Payments Due Year Four
RoyaltyCommitmentsFutureMinimumPaymentsDueYearFour
11200000
CY2021Q4 mlm Future Minimum Lease Commitments Related To Contracts Of Affreightment Due Year Five
FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFive
17400000
CY2021Q4 mlm Royalty Commitments Future Minimum Payments Due Year Five
RoyaltyCommitmentsFutureMinimumPaymentsDueYearFive
9200000
CY2021Q4 mlm Future Minimum Lease Commitments Related To Contracts Of Affreightment Due After Year Five
FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueAfterYearFive
17700000
CY2021Q4 mlm Royalty Commitments Future Minimum Payments Due After Year Five
RoyaltyCommitmentsFutureMinimumPaymentsDueAfterYearFive
75400000
CY2021Q4 mlm Future Minimum Lease Commitments Related To Contracts Of Affreightment
FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightment
162500000
CY2021Q4 mlm Royalty Commitments Future Minimum Payments Due
RoyaltyCommitmentsFutureMinimumPaymentsDue
145900000
CY2021 mlm Percentage Of Employees Represented In Labor Union
PercentageOfEmployeesRepresentedInLaborUnion
0.14
CY2021 us-gaap Number Of Operating Segments
NumberOfOperatingSegments
4
CY2021 us-gaap Number Of Reportable Segments
NumberOfReportableSegments
2
CY2021 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
5414000000.0
CY2020 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4729900000
CY2019 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4739100000
CY2021 us-gaap Gross Profit
GrossProfit
1348400000
CY2020 us-gaap Gross Profit
GrossProfit
1252800000
CY2019 us-gaap Gross Profit
GrossProfit
1179000000.0
CY2021 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
351000000.0
CY2020 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
305900000
CY2019 us-gaap Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
387600000
CY2021 mlm Property Plant And Equipment Additions Through Acquisitions
PropertyPlantAndEquipmentAdditionsThroughAcquisitions
1087500000
CY2020 mlm Property Plant And Equipment Additions Through Acquisitions
PropertyPlantAndEquipmentAdditionsThroughAcquisitions
20000000.0
CY2020 us-gaap Operating Lease Payments
OperatingLeasePayments
77700000
CY2019 us-gaap Operating Lease Payments
OperatingLeasePayments
76100000
CY2021 us-gaap Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
3500000
CY2020 us-gaap Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
600000
CY2019 us-gaap Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
500000
CY2021 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
11100000
CY2020 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
3500000
CY2019 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
11000000.0
CY2020 us-gaap Payments For Proceeds From Policy Loans
PaymentsForProceedsFromPolicyLoans
112300000
CY2021 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
5414000000.0
CY2020 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4729900000
CY2019 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4739100000
CY2021 us-gaap Gross Profit
GrossProfit
1348400000
CY2020 us-gaap Gross Profit
GrossProfit
1252800000
CY2019 us-gaap Gross Profit
GrossProfit
1179000000.0
CY2021 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
5414000000.0
CY2020 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4729900000
CY2019 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
4739100000
CY2021 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
92400000
CY2020 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
61500000
CY2019 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
54200000
CY2021 mlm Remeasurement Of Operating Lease Right Of Use Assets
RemeasurementOfOperatingLeaseRightOfUseAssets
-12800000
CY2020 mlm Remeasurement Of Operating Lease Right Of Use Assets
RemeasurementOfOperatingLeaseRightOfUseAssets
2200000
CY2019 mlm Remeasurement Of Operating Lease Right Of Use Assets
RemeasurementOfOperatingLeaseRightOfUseAssets
2000000.0
CY2021 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
65600000
CY2020 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
31900000
CY2019 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
45700000
CY2021 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
202300000
CY2020 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
19400000
CY2019 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
200000
CY2019 us-gaap Noncash Or Part Noncash Acquisition Fixed Assets Acquired1
NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1
2400000
CY2021 us-gaap Interest Paid Net
InterestPaidNet
104900000
CY2020 us-gaap Interest Paid Net
InterestPaidNet
113800000
CY2019 us-gaap Interest Paid Net
InterestPaidNet
127900000
CY2021 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
102900000
CY2020 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
114900000
CY2019 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
101700000
CY2021 us-gaap Operating Lease Payments
OperatingLeasePayments
71800000
CY2021 us-gaap Other Operating Income Expense Net
OtherOperatingIncomeExpenseNet
34300000
CY2020 us-gaap Other Operating Income Expense Net
OtherOperatingIncomeExpenseNet
59800000
CY2019 us-gaap Other Operating Income Expense Net
OtherOperatingIncomeExpenseNet
9100000
CY2019 us-gaap Tax Adjustments Settlements And Unusual Provisions
TaxAdjustmentsSettlementsAndUnusualProvisions
6900000

Files In Submission

Name View Source Status
0001564590-22-005965-index-headers.html Edgar Link pending
0001564590-22-005965-index.html Edgar Link pending
0001564590-22-005965.txt Edgar Link pending
0001564590-22-005965-xbrl.zip Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
Financial_Report.xlsx Edgar Link pending
g4jfwzkebbfb000001.jpg Edgar Link pending
g4jfwzkebbfb000025.jpg Edgar Link pending
g4jfwzkebbfb000033.jpg Edgar Link pending
g4jfwzkebbfb000036.jpg Edgar Link pending
g4jfwzkebbfb000037.jpg Edgar Link pending
g4jfwzkebbfb000039.jpg Edgar Link pending
g4jfwzkebbfb000041.jpg Edgar Link pending
g4jfwzkebbfb000044.jpg Edgar Link pending
g4jfwzkebbfb000046.jpg Edgar Link pending
g4jfwzkebbfb000047.jpg Edgar Link pending
g4jfwzkebbfb000048.jpg Edgar Link pending
g4jfwzkebbfb000050.jpg Edgar Link pending
g4jfwzkebbfb000051.jpg Edgar Link pending
g4jfwzkebbfb000054.jpg Edgar Link pending
g4jfwzkebbfb000058.jpg Edgar Link pending
g4jfwzkebbfb000061.jpg Edgar Link pending
g4jfwzkebbfb000063.jpg Edgar Link pending
g4jfwzkebbfb000072.jpg Edgar Link pending
g4jfwzkebbfb000088.jpg Edgar Link pending
g4jfwzkebbfb000089.jpg Edgar Link pending
MetaLinks.json Edgar Link pending
mlm-10k_20211231.htm Edgar Link pending
mlm-10k_20211231_htm.xml Edgar Link completed
mlm-20211231.xsd Edgar Link pending
mlm-20211231_cal.xml Edgar Link unprocessable
mlm-20211231_def.xml Edgar Link unprocessable
mlm-20211231_lab.xml Edgar Link unprocessable
mlm-20211231_pre.xml Edgar Link unprocessable
mlm-ex2101_9.htm Edgar Link pending
mlm-ex2301_6.htm Edgar Link pending
mlm-ex3101_12.htm Edgar Link pending
mlm-ex3102_8.htm Edgar Link pending
mlm-ex3201_11.htm Edgar Link pending
mlm-ex3202_7.htm Edgar Link pending
mlm-ex95_10.htm Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R100.htm Edgar Link pending
R101.htm Edgar Link pending
R102.htm Edgar Link pending
R103.htm Edgar Link pending
R104.htm Edgar Link pending
R105.htm Edgar Link pending
R106.htm Edgar Link pending
R107.htm Edgar Link pending
R108.htm Edgar Link pending
R109.htm Edgar Link pending
R11.htm Edgar Link pending
R110.htm Edgar Link pending
R111.htm Edgar Link pending
R112.htm Edgar Link pending
R113.htm Edgar Link pending
R114.htm Edgar Link pending
R115.htm Edgar Link pending
R116.htm Edgar Link pending
R117.htm Edgar Link pending
R118.htm Edgar Link pending
R119.htm Edgar Link pending
R12.htm Edgar Link pending
R120.htm Edgar Link pending
R121.htm Edgar Link pending
R122.htm Edgar Link pending
R123.htm Edgar Link pending
R124.htm Edgar Link pending
R125.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R68.htm Edgar Link pending
R69.htm Edgar Link pending
R7.htm Edgar Link pending
R70.htm Edgar Link pending
R71.htm Edgar Link pending
R72.htm Edgar Link pending
R73.htm Edgar Link pending
R74.htm Edgar Link pending
R75.htm Edgar Link pending
R76.htm Edgar Link pending
R77.htm Edgar Link pending
R78.htm Edgar Link pending
R79.htm Edgar Link pending
R8.htm Edgar Link pending
R80.htm Edgar Link pending
R81.htm Edgar Link pending
R82.htm Edgar Link pending
R83.htm Edgar Link pending
R84.htm Edgar Link pending
R85.htm Edgar Link pending
R86.htm Edgar Link pending
R87.htm Edgar Link pending
R88.htm Edgar Link pending
R89.htm Edgar Link pending
R9.htm Edgar Link pending
R90.htm Edgar Link pending
R91.htm Edgar Link pending
R92.htm Edgar Link pending
R93.htm Edgar Link pending
R94.htm Edgar Link pending
R95.htm Edgar Link pending
R96.htm Edgar Link pending
R97.htm Edgar Link pending
R98.htm Edgar Link pending
R99.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending