$MAT
MATTEL INC /DE/ Stock $mat

$mat Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000162828021003197 Filed on February 25, 2021

Income Statement

Concept	2019 Q4	2018 Q4	2018
Revenue	$1.474B	$1.524B	$4.515B
YoY Change	-3.32%	-5.38%	-7.52%
Cost Of Revenue	$760.5M	$814.7M	$2.716B
YoY Change	-6.65%	-26.7%	-11.27%
Gross Profit	$713.2M	$709.6M	$1.799B
YoY Change	0.51%	43.31%	-1.42%
Gross Profit Margin	48.39%	46.55%	39.84%
Selling, General & Admin	$597.3M	$538.6M	$1.789B
YoY Change	10.9%	18.52%	-3.08%
% of Gross Profit	83.75%	75.9%	99.44%
Research & Development	$53.80M	$50.40M	$205.4M
YoY Change	6.75%	-13.85%	-8.82%
% of Gross Profit	7.54%	7.1%	11.42%
Depreciation & Amortization	$58.00M	$62.40M	$271.9M
YoY Change	-7.05%	-20.61%	-1.03%
% of Gross Profit	8.13%	8.79%	15.12%
Operating Expenses	$661.0M	$598.1M	$205.4M
YoY Change	10.52%	31.62%	-8.82%
Operating Profit	$67.58M	$105.6M	-$234.3M
YoY Change	-36.0%	-142.06%	-30.19%
Interest Expense	-$48.70M	-$55.10M	$181.9M
YoY Change	-11.62%	91.32%	72.87%
% of Operating Profit	-72.06%	-52.18%
Other Income/Expense, Net	-$8.900M	$3.700M	-$5.107M
YoY Change	-340.54%	-105.52%	-92.5%
Pretax Income	$9.182M	$54.27M	-$342.2M
YoY Change	-83.08%	-115.65%	27.1%
Income Tax	$9.000M	$41.90M	$116.2M
% Of Pretax Income	98.02%	77.2%
Net Earnings	$175.0K	$9.639M	-$533.3M
YoY Change	-98.18%	-103.43%	-49.43%
Net Earnings / Revenue	0.01%	0.63%	-11.81%
Basic Earnings Per Share	$0.00	$0.03	-$1.55
Diluted Earnings Per Share	$0.00	$0.03	-$1.55
COMMON SHARES
Basic Shares Outstanding	346.7M shares	345.7M shares	345.0M shares
Diluted Shares Outstanding	348.3M shares	345.8M shares	345.0M shares

Balance Sheet

Concept	2019 Q4	2018 Q4	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments	$630.0M	$594.5M	$594.5M
YoY Change	5.97%	-44.91%	-44.91%
Cash & Equivalents	$630.0M	$594.5M	$594.5M
Short-Term Investments
Other Short-Term Assets	$186.1M	$239.8M	$239.8M
YoY Change	-22.39%	-18.9%	-18.9%
Inventory	$495.5M	$542.9M	$542.9M
Prepaid Expenses
Receivables	$936.4M	$970.1M	$970.1M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.248B	$2.347B	$2.347B
YoY Change	-4.23%	-24.57%	-24.29%
LONG-TERM ASSETS
Property, Plant & Equipment	$550.1M	$657.6M	$657.6M
YoY Change	-16.34%	-16.26%	-16.26%
Goodwill	$1.391B	$1.386B
YoY Change	0.31%	-0.73%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$833.2M	$847.0M	$259.5M
YoY Change	-1.63%	-10.37%	-15.39%
Total Long-Term Assets	$3.077B	$2.891B	$2.891B
YoY Change	6.44%	-7.54%	-7.57%
TOTAL ASSETS
Total Short-Term Assets	$2.248B	$2.347B	$2.347B
Total Long-Term Assets	$3.077B	$2.891B	$2.891B
Total Assets	$5.325B	$5.238B	$5.238B
YoY Change	1.66%	-16.03%	-15.89%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$459.4M	$538.0M	$538.0M
YoY Change	-14.61%	-5.98%	-5.98%
Accrued Expenses	$769.5M	$694.3M	$701.6M
YoY Change	10.84%	-12.35%	-9.59%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$4.176M	$4.200M
YoY Change	-100.0%
Long-Term Debt Due	$0.00	$0.00	$0.00
YoY Change		-100.0%	-100.0%
Total Short-Term Liabilities	$1.277B	$1.250B	$1.260B
YoY Change	2.16%	-23.02%	-22.4%
LONG-TERM LIABILITIES
Long-Term Debt	$2.847B	$2.852B	$2.852B
YoY Change	-0.17%	-0.74%	-0.74%
Other Long-Term Liabilities	$439.0M	$469.7M	$318.7M
YoY Change	-6.53%	-2.99%	-11.42%
Total Long-Term Liabilities	$3.557B	$3.321B	$3.170B
YoY Change	7.08%	-1.07%	-1.93%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.277B	$1.250B	$1.260B
Total Long-Term Liabilities	$3.557B	$3.321B	$3.170B
Total Liabilities	$4.834B	$4.571B	$4.581B
YoY Change	5.74%	-8.23%	-8.02%
SHAREHOLDERS EQUITY
Retained Earnings	$1.413B	$1.627B
YoY Change	-13.13%	-25.36%
Common Stock	$2.267B	$2.254B
YoY Change	0.57%	0.19%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$2.319B	$2.355B
YoY Change	-1.52%	-1.48%
Treasury Stock Shares	94.60M shares	96.10M shares
Shareholders Equity	$508.6M	$689.0M	$656.8M
YoY Change
Total Liabilities & Shareholders Equity	$5.325B	$5.238B	$5.238B
YoY Change	1.66%	-16.03%	-15.89%

Cashflow Statement

Concept	2019 Q4	2018 Q4	2018
OPERATING ACTIVITIES
Net Income	$175.0K	$9.639M	-$533.3M
YoY Change	-98.18%	-103.43%	-49.43%
Depreciation, Depletion And Amortization	$58.00M	$62.40M	$271.9M
YoY Change	-7.05%	-20.61%	-1.03%
Cash From Operating Activities	$694.7M	$704.2M	-$27.32M
YoY Change	-1.35%	-1.16%	-1.08%
INVESTING ACTIVITIES
Capital Expenditures	-$40.70M	-$41.30M	$77.75M
YoY Change	-1.45%	-33.28%	-53.78%
Acquisitions			$0.00
YoY Change
Other Investing Activities	$4.900M	-$4.800M	-$10.27M
YoY Change	-202.08%	-536.36%	1941.95%
Cash From Investing Activities	-$35.80M	-$46.20M	-$160.8M
YoY Change	-22.51%	-24.01%	-31.78%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net			$750.0M
YoY Change
Cash From Financing Activities	-251.4M	-274.5M	-$285.2M
YoY Change	-8.42%	-212.13%	-162.2%
NET CHANGE
Cash From Operating Activities	694.7M	704.2M	-$27.32M
Cash From Investing Activities	-35.80M	-46.20M	-$160.8M
Cash From Financing Activities	-251.4M	-274.5M	-$285.2M
Net Change In Cash	407.5M	383.5M	-$484.7M
YoY Change	6.26%	-57.22%	-331.17%
FREE CASH FLOW
Cash From Operating Activities	$694.7M	$704.2M	-$27.32M
Capital Expenditures	-$40.70M	-$41.30M	$77.75M
Free Cash Flow	$735.4M	$745.5M	-$105.1M
YoY Change	-1.35%	-3.73%	-46.35%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Entity Registrant Name EntityRegistrantName	MATTEL INC /DE/
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000063276
CY2020Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccruedLiabilitiesCurrent
CY2019Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccruedLiabilitiesCurrent
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-05647
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-1567322
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	333 Continental Blvd.
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	El Segundo
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	90245-5012
CY2020	dei	City Area Code CityAreaCode	310
CY2020	dei	Local Phone Number LocalPhoneNumber	252-2000
CY2020	dei	Security12b Title Security12bTitle	Common stock, $1.00 per share
CY2020	dei	Trading Symbol TradingSymbol	MAT
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	17394000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-8427000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-26410000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-370000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	32509000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-75092000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-10258000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-77440000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	51536000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-223770000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-610739000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	126628000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-213512000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-533299000	USD
CY2020	us-gaap	Depreciation Depreciation	160973000	USD
CY2019	us-gaap	Depreciation Depreciation	204406000	USD
CY2018	us-gaap	Depreciation Depreciation	232837000	USD
CY2020	us-gaap	Adjustment For Amortization AdjustmentForAmortization	38925000	USD
CY2019	us-gaap	Adjustment For Amortization AdjustmentForAmortization	40112000	USD
CY2018	us-gaap	Adjustment For Amortization AdjustmentForAmortization	39095000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	60168000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	55968000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	48915000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	9149000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	967000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	40894000	USD
CY2020	us-gaap	Inventory Write Down InventoryWriteDown	44006000	USD
CY2019	us-gaap	Inventory Write Down InventoryWriteDown	75139000	USD
CY2018	us-gaap	Inventory Write Down InventoryWriteDown	74974000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	13006000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	38729000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	18203000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2200000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-22625000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	13349000	USD
CY2020	mat	Indefinite Reinvestment Assertion And Domestic Tax Reform IndefiniteReinvestmentAssertionAndDomesticTaxReform	0	USD
CY2019	mat	Indefinite Reinvestment Assertion And Domestic Tax Reform IndefiniteReinvestmentAssertionAndDomesticTaxReform	0	USD
CY2018	mat	Indefinite Reinvestment Assertion And Domestic Tax Reform IndefiniteReinvestmentAssertionAndDomesticTaxReform	18275000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10752000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-771000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-2224000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	92280000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-41029000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-72415000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	50562000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	26920000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	53840000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-5661000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-47971000	USD
CY2020	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	22883000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-54230000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11209000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-58679000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-47397000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	25429000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	2379000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	8192000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	288502000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	180977000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-27317000	USD
CY2020	mat	Payments To Acquire Tools Dies And Molds PaymentsToAcquireToolsDiesAndMolds	59404000	USD
CY2019	mat	Payments To Acquire Tools Dies And Molds PaymentsToAcquireToolsDiesAndMolds	50509000	USD
CY2018	mat	Payments To Acquire Tools Dies And Molds PaymentsToAcquireToolsDiesAndMolds	74662000	USD
CY2020	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	62195000	USD
CY2019	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	65843000	USD
CY2018	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	77752000	USD
CY2019	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	681000	USD
CY2018	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	18615000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-9572000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2857000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-10271000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-134910000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-114176000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-160758000	USD
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	969000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-4176000	USD
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	4176000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	607898000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	750000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	588244000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	471797000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6811000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-9308000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-11130000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5842000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-33138000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-285157000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-15597000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1884000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-11508000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	132153000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	35547000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-484740000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	630028000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	594481000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1079221000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	762181000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	630028000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	594481000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	99495000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	72647000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	99586000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	190674000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	190922000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	173951000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	1257197000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-533299000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-77440000	USD
CY2018	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-9488000	USD
CY2018	mat	Deferred Compensation DeferredCompensation	124000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	48915000	USD
CY2018	us-gaap	Dividends Sharebased Compensation Stock DividendsSharebasedCompensationStock	41000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	666901000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-213512000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-10258000	USD
CY2019	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-7510000	USD
CY2019	mat	Deferred Compensation DeferredCompensation	125000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	55968000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	491714000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	126628000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-75092000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	64000	USD
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-7263000	USD
CY2020	mat	Deferred Compensation DeferredCompensation	124000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	60168000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	596343000	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	Preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United States of America ("U.S. GAAP") requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could ultimately differ from those estimates.
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2216430000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2435924000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1742636000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1885785000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	473794000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	550139000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	1386424000	USD
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	4290000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	1390714000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	3120000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	1393834000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	518200000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	286900000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	553100000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	248000000.0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	37468000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	38144000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	38891000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	32715000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	32654000	USD
CY2019	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2020	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2018	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	4300000	USD
CY2020	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	40786000	USD
CY2019	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	51332000	USD
CY2018	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	42937000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-1500000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	5500000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-2100000	USD
CY2020Q4	mat	Tax Benefits Related To Benefit Plans Included In Accumulated Other Comprehensive Loss TaxBenefitsRelatedToBenefitPlansIncludedInAccumulatedOtherComprehensiveLoss	83000000.0	USD
CY2019Q4	mat	Tax Benefits Related To Benefit Plans Included In Accumulated Other Comprehensive Loss TaxBenefitsRelatedToBenefitPlansIncludedInAccumulatedOtherComprehensiveLoss	84500000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	652700000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	608400000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear	17000000	USD
CY2020Q4	mat	Percentage Of Domestic Defined Benefit Pension Plan Assets To Total Defined Benefit Pension Plan Assets PercentageOfDomesticDefinedBenefitPensionPlanAssetsToTotalDefinedBenefitPensionPlanAssets	0.76
CY2017Q4	mat	Percentageof Total Membershipin Pension Plan Insured PercentageofTotalMembershipinPensionPlanInsured	0.40
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	29857000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	0	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	1424000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	31281000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	0	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	1513000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	32794000	USD
CY2020Q4	mat	Percentage Limitation Of Employees Total Account Balance That May Be Allocated To Stock Fund In Personal Investment Plan PercentageLimitationOfEmployeesTotalAccountBalanceThatMayBeAllocatedToStockFundInPersonalInvestmentPlan	0.25
CY2020Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	59900000	USD
CY2019Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	65200000	USD
CY2020Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	79900000	USD
CY2019Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	75700000	USD
CY2020	mat	Expense For Incentive Compensation Plans ExpenseForIncentiveCompensationPlans	122500000	USD
CY2019	mat	Expense For Incentive Compensation Plans ExpenseForIncentiveCompensationPlans	119500000	USD
CY2018	mat	Expense For Incentive Compensation Plans ExpenseForIncentiveCompensationPlans	84100000	USD
CY2020Q4	mat	Foreign Credit Lines Available ForeignCreditLinesAvailable	13000000	USD
CY2020Q4	mat	Outstanding Amounts Of Accounts Receivable Soldunder International Factoring Arrangements OutstandingAmountsOfAccountsReceivableSoldunderInternationalFactoringArrangements	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	250000000	USD
CY2019Q4	mat	Outstanding Amounts Of Accounts Receivable Soldunder International Factoring Arrangements OutstandingAmountsOfAccountsReceivableSoldunderInternationalFactoringArrangements	0	USD
CY2019Q4	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-9200000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	45336000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	53249000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	2854664000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	2846751000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2854664000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2846751000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1500000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1150000000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2900000000	USD
CY2020Q4	mat	Preference Stock Maximum Shares Authorized To Be Issued PreferenceStockMaximumSharesAuthorizedToBeIssued	20000000.0	shares
CY2020Q4	mat	Preference Stock Par Value Per Share PreferenceStockParValuePerShare	0.01
CY2020Q4	mat	Preference Stock Shares Outstanding PreferenceStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	3000000.0	shares
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	500000000.0	USD
CY2020Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	203000000.0	USD
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0
CY2018	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0
CY2020	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-68663000	USD
CY2020	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	6429000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-75092000	USD
CY2019	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	3072000	USD
CY2019	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	13330000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-10258000	USD
CY2018	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-93699000	USD
CY2018	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-16259000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-77440000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P10Y
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	291601000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	303187000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	79540000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	74065000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	249353000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	270853000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	328893000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	344918000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y7M6D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y7M6D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.076
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.079
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	136842000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	142100000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	2697000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	5690000	USD
CY2020	mat	Short Termand Variable Lease Cost ShortTermandVariableLeaseCost	42300000	USD
CY2019	mat	Short Termand Variable Lease Cost ShortTermandVariableLeaseCost	43800000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	92551000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	127100000	USD
CY2018	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	3000000.0	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	96953000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	105015000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	41802000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	38795000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	95090000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	72018000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	53473000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	44197000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	35324000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	121342000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	421444000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	328893000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	60200000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	56000000.0	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	48900000	USD
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	77700000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y10M24D
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.60
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	5.09
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	5.46
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	22510000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.22
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	22020000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	25.47
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	25233000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.56
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	2241000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	11.23
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	2342000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	13.54
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	3379000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	15.41
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	4000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	15.02
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	294000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	14.38
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	25.01
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	266000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	17.64
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	4209000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	23.06
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	2818000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	31.22
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	1586000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	26.79
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	2383000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	26.99
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	21635000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	22.10
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	22510000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.22
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	22020000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	25.47
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	16356000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	16576000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	27.32
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	16051000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	28.10
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	30000000	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	7000000.0	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y10M24D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	21100000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	27500000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	22.33
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y10M24D
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	3000000	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	11000000	USD
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	8000000	USD
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	12000000	USD
CY2020Q4	mat	Weighted Average Grant Date Fair Value Of Restricted Stock Units Expected To Vest WeightedAverageGrantDateFairValueOfRestrictedStockUnitsExpectedToVest	12.59
CY2020Q4	mat	Numberof Incentive Programs NumberofIncentivePrograms	3	incentiveProgram
CY2020	mat	Long Term Incentive Program Performance Target Duration LongTermIncentiveProgramPerformanceTargetDuration	P3Y
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Expirations ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations	104000	shares
CY2020	mat	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expiration In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpirationInPeriodWeightedAverageGrantDateFairValue	17.97
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Expirations ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations	201000	shares
CY2019	mat	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expiration In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpirationInPeriodWeightedAverageGrantDateFairValue	37.70
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Expirations ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations	0	shares
CY2018	mat	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expiration In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpirationInPeriodWeightedAverageGrantDateFairValue	0
CY2020	us-gaap	Net Income Loss NetIncomeLoss	126628000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-213512000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-533299000	USD
CY2020	mat	Income Allocable To Participating Shares Basic IncomeAllocableToParticipatingSharesBasic	0	USD
CY2019	mat	Income Allocable To Participating Shares Basic IncomeAllocableToParticipatingSharesBasic	0	USD
CY2018	mat	Income Allocable To Participating Shares Basic IncomeAllocableToParticipatingSharesBasic	0	USD
CY2020	mat	Net Income Loss Available For Basic Common Shares NetIncomeLossAvailableForBasicCommonShares	126628000	USD
CY2019	mat	Net Income Loss Available For Basic Common Shares NetIncomeLossAvailableForBasicCommonShares	-213512000	USD
CY2018	mat	Net Income Loss Available For Basic Common Shares NetIncomeLossAvailableForBasicCommonShares	-533299000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	347463000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	346127000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	345012000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.62
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.55
CY2020	us-gaap	Net Income Loss NetIncomeLoss	126628000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-213512000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-533299000	USD
CY2020	mat	Income Allocable To Participating Shares Diluted IncomeAllocableToParticipatingSharesDiluted	0	USD
CY2019	mat	Income Allocable To Participating Shares Diluted IncomeAllocableToParticipatingSharesDiluted	0	USD
CY2018	mat	Income Allocable To Participating Shares Diluted IncomeAllocableToParticipatingSharesDiluted	0	USD
CY2020	mat	Net Income Loss Available For Diluted Common Shares NetIncomeLossAvailableForDilutedCommonShares	126628000	USD
CY2019	mat	Net Income Loss Available For Diluted Common Shares NetIncomeLossAvailableForDilutedCommonShares	-213512000	USD
CY2018	mat	Net Income Loss Available For Diluted Common Shares NetIncomeLossAvailableForDilutedCommonShares	-533299000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	347463000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	346127000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	345012000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1653000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	349116000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	346127000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	345012000	shares
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.62
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.55
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	21700000	shares
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	38700000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	3110000000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2900000000	USD
CY2019Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	3000000000.00	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2900000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	5711000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	15002000	USD
CY2020Q4	mat	Licensing And Similar Agreements Future Minimum Payments Due Current LicensingAndSimilarAgreementsFutureMinimumPaymentsDueCurrent	52756000	USD
CY2020Q4	mat	Licensing And Similar Agreements Future Minimum Payments Due In Two Years LicensingAndSimilarAgreementsFutureMinimumPaymentsDueInTwoYears	43056000	USD
CY2020Q4	mat	Licensing And Similar Agreements Future Minimum Payments Due In Three Years LicensingAndSimilarAgreementsFutureMinimumPaymentsDueInThreeYears	35682000	USD
CY2020Q4	mat	Licensing And Similar Agreements Future Minimum Payments Due In Four Years LicensingAndSimilarAgreementsFutureMinimumPaymentsDueInFourYears	1259000	USD
CY2020Q4	mat	Licensing And Similar Agreements Future Minimum Payments Due In Five Years LicensingAndSimilarAgreementsFutureMinimumPaymentsDueInFiveYears	143000	USD
CY2020Q4	mat	Licensing And Similar Agreements Future Minimum Payments Due Thereafter LicensingAndSimilarAgreementsFutureMinimumPaymentsDueThereafter	0	USD
CY2020Q4	mat	Licensing And Similar Agreements Future Minimum Payments Due LicensingAndSimilarAgreementsFutureMinimumPaymentsDue	132896000	USD
CY2020	us-gaap	Royalty Expense RoyaltyExpense	158500000	USD
CY2019	us-gaap	Royalty Expense RoyaltyExpense	220200000	USD
CY2018	us-gaap	Royalty Expense RoyaltyExpense	224000000.0	USD
CY2020Q4	mat	Purchases Of Inventory Other Assets And Services Future Minimum Obligations Due Current PurchasesOfInventoryOtherAssetsAndServicesFutureMinimumObligationsDueCurrent	244175000	USD
CY2020Q4	mat	Purchases Of Inventory Other Assets And Services Future Minimum Obligations Due In Two Years PurchasesOfInventoryOtherAssetsAndServicesFutureMinimumObligationsDueInTwoYears	48212000	USD
CY2020Q4	mat	Purchases Of Inventory Other Assets And Services Future Minimum Obligations Due In Three Years PurchasesOfInventoryOtherAssetsAndServicesFutureMinimumObligationsDueInThreeYears	29704000	USD
CY2020Q4	mat	Purchases Of Inventory Other Assets And Services Future Minimum Obligations Due In Four Years PurchasesOfInventoryOtherAssetsAndServicesFutureMinimumObligationsDueInFourYears	0	USD
CY2020Q4	mat	Purchases Of Inventory Other Assets And Services Future Minimum Obligations Due In Five Years PurchasesOfInventoryOtherAssetsAndServicesFutureMinimumObligationsDueInFiveYears	0	USD
CY2020Q4	mat	Purchases Of Inventory Other Assets And Services Future Minimum Obligations Due After Year Five PurchasesOfInventoryOtherAssetsAndServicesFutureMinimumObligationsDueAfterYearFive	0	USD
CY2020Q4	mat	Purchases Of Inventory Other Assets And Services Future Minimum Obligations Due PurchasesOfInventoryOtherAssetsAndServicesFutureMinimumObligationsDue	322091000	USD
CY2020Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	12900000	USD
CY2019Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	12000000.0	USD
CY2020Q1	mat	Number Of Stockholders Who Filed Complaints NumberOfStockholdersWhoFiledComplaints	2	stockholder
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4583660000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4504571000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4514810000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	380885000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	39240000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	-234349000	USD
CY2020	us-gaap	Interest Expense InterestExpense	198332000	USD
CY2019	us-gaap	Interest Expense InterestExpense	201044000	USD
CY2018	us-gaap	Interest Expense InterestExpense	181886000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	3945000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	6166000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	6463000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2692000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1879000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-5107000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	183806000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-157517000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-414879000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	199899000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	244518000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	271932000	USD
CY2020Q4	mat	Accounts Receivable And Inventories Net AccountsReceivableAndInventoriesNet	1548639000	USD
CY2019Q4	mat	Accounts Receivable And Inventories Net AccountsReceivableAndInventoriesNet	1431863000	USD
CY2018Q4	mat	Accounts Receivable And Inventories Net AccountsReceivableAndInventoriesNet	1512972000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4583660000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4504571000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4514810000	USD
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	765395000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	853326000	USD
CY2018Q4	us-gaap	Noncurrent Assets NoncurrentAssets	657595000	USD
CY2020Q2	mat	Non Manufacturing Workforce Reduction Commitment Percentage NonManufacturingWorkforceReductionCommitmentPercentage	0.04
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-165736000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-329368000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-342219000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	349542000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	171851000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-72660000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	183806000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-157517000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-414879000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5520000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	3935000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-575000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2170000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	78870000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	68837000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1340000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	116196000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	68649000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55224000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	95404000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	78295000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	76527000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	100679000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4264000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5610000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4630000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-481000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	68000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-3368000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-13429000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-15761000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	23515000	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-9646000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-21303000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	15517000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	71428000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	59640000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	41862000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	58340000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	161846000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	153866000	USD
CY2020Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	108069000	USD
CY2019Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	80774000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	92372000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	100896000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	60665000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	67689000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	38182000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	33839000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	231527000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	245138000	USD
CY2020Q4	mat	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	74600000	USD
CY2019Q4	mat	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	77948000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	42058000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	33619000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	922609000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	911749000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	187001000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	190677000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	66404000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	68082000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	25500000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	31024000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	278905000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	289783000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	631914000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	610560000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	11790000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	11406000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	11790000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	11406000	USD
CY2020Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	694600000	USD
CY2020Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	71400000	USD
CY2020Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	694591000	USD
CY2020Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	71409000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	41008000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-33240000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-87592000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	17676000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	19141000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	64907000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	6203000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	51612000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	103231000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	3709000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1056000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2438000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-2028000	USD
CY2020	mat	Effective Income Tax Reconciliation Adjustments To Previously Accrued Taxes EffectiveIncomeTaxReconciliationAdjustmentsToPreviouslyAccruedTaxes	5354000	USD
CY2019	mat	Effective Income Tax Reconciliation Adjustments To Previously Accrued Taxes EffectiveIncomeTaxReconciliationAdjustmentsToPreviouslyAccruedTaxes	14160000	USD
CY2018	mat	Effective Income Tax Reconciliation Adjustments To Previously Accrued Taxes EffectiveIncomeTaxReconciliationAdjustmentsToPreviouslyAccruedTaxes	6621000	USD
CY2020	mat	Effective Income Tax Reconciliation Change In Indefinite Reinvestment Assertions EffectiveIncomeTaxReconciliationChangeInIndefiniteReinvestmentAssertions	0	USD
CY2019	mat	Effective Income Tax Reconciliation Change In Indefinite Reinvestment Assertions EffectiveIncomeTaxReconciliationChangeInIndefiniteReinvestmentAssertions	-2700000	USD
CY2018	mat	Effective Income Tax Reconciliation Change In Indefinite Reinvestment Assertions EffectiveIncomeTaxReconciliationChangeInIndefiniteReinvestmentAssertions	14566000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-536000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	3813000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	12782000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	68649000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55224000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	116196000	USD
CY2018	mat	Effective Income Tax Rate Reconciliation Tax Credit Expiration EffectiveIncomeTaxRateReconciliationTaxCreditExpiration	8100000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	137929000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	119818000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	116070000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	5969000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3836000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	7548000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	5811000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	29487000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	25239000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	3127000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	10150000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1813000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	3410000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1982000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1143000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2863000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3080000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	26083000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	140309000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	137929000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	119818000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	140300000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	63200000	USD
CY2020Q4	mat	Portionof Unrecognized Tax Benefitsthat Would Impact Effective Tax Ratethat Would Increasethe Valuation Allowance PortionofUnrecognizedTaxBenefitsthatWouldImpactEffectiveTaxRatethatWouldIncreasetheValuationAllowance	77100000	USD
CY2020	mat	Unrecognized Tax Benefits Increase Decreasein Income Tax Penaltiesand Interest Expense UnrecognizedTaxBenefitsIncreaseDecreaseinIncomeTaxPenaltiesandInterestExpense	-2100000	USD
CY2019	mat	Unrecognized Tax Benefits Increase Decreasein Income Tax Penaltiesand Interest Expense UnrecognizedTaxBenefitsIncreaseDecreaseinIncomeTaxPenaltiesandInterestExpense	-1600000	USD
CY2018	mat	Unrecognized Tax Benefits Increase Decreasein Income Tax Penaltiesand Interest Expense UnrecognizedTaxBenefitsIncreaseDecreaseinIncomeTaxPenaltiesandInterestExpense	7900000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	22700000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	24800000	USD
CY2018Q4	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	3700000	USD
CY2020Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	31300000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	12000000.0	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	11900000	USD
CY2020	mat	Change In Deferred Tax Liabilities From Undistributed Foreign Earnings ChangeInDeferredTaxLiabilitiesFromUndistributedForeignEarnings	-100000	USD
CY2020	mat	Undistributed Earnings Of Foreign Subsidiaries Not Taxed UndistributedEarningsOfForeignSubsidiariesNotTaxed	6000000000.0	USD
CY2020Q4	us-gaap	Inventory Work In Process And Raw Materials Net Of Reserves InventoryWorkInProcessAndRawMaterialsNetOfReserves	110010000	USD
CY2019Q4	us-gaap	Inventory Work In Process And Raw Materials Net Of Reserves InventoryWorkInProcessAndRawMaterialsNetOfReserves	103123000	USD
CY2020Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	404663000	USD
CY2019Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	392381000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	514673000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	495504000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	286900000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	248000000.0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	518190000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	553114000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	72682000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	67900000	USD
CY2020Q4	us-gaap	Accrued Advertising Current AccruedAdvertisingCurrent	163181000	USD
CY2019Q4	us-gaap	Accrued Advertising Current AccruedAdvertisingCurrent	93804000	USD
CY2020Q4	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	126601000	USD
CY2019Q4	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	122923000	USD
CY2020Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	54442000	USD
CY2019Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	94228000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	79540000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	74065000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	225957000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	212280000	USD
CY2020Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	71342000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	69022000	USD
CY2020Q4	us-gaap	Deferred Income Taxes And Other Liabilities Noncurrent DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent	60892000	USD
CY2019Q4	us-gaap	Deferred Income Taxes And Other Liabilities Noncurrent DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent	56494000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-21539000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-363000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-8389000	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	189494000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	197226000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	205368000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	38925000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	40112000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	39095000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	9149000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	967000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	40894000	USD

Files In Submission

Name	View Source	Status
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0001628280-21-003197-index.html	Edgar Link	pending
0001628280-21-003197.txt	Edgar Link	pending
0001628280-21-003197-xbrl.zip	Edgar Link	pending
ex1022202010-k.htm	Edgar Link	pending
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$MAT
MATTEL INC /DE/ Stock $mat

2019 Q4 Form 10-K Financial Statement

#000162828021003197 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MAT MATTEL INC /DE/ Stock $mat

2019 Q4 Form 10-K Financial Statement

#000162828021003197 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MAT
MATTEL INC /DE/ Stock $mat