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Stockholders' Equity - Additional Information (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jul. 17, 2013
Stockholders Equity Note [Line Items] |  |  |  |
Preference stock, maximum shares authorized to be issued | 20,000,000 mat_PreferenceStockMaximumSharesAuthorizedToBeIssued |  |  |
Preference stock, par value | $ 0.01 mat_PreferenceStockParValuePerShare |  |  |
Preference stock, shares outstanding | 0 mat_PreferenceStockSharesOutstanding |  |  |
Preferred stock, maximum shares authorized to be issued | 3,000,000 us-gaap_PreferredStockSharesAuthorized |  |  |
Preferred stock, par value | $ 1.00 us-gaap_PreferredStockParOrStatedValuePerShare |  |  |
Preferred stock, shares outstanding | 0 us-gaap_PreferredStockSharesOutstanding |  |  |
Shares of common stock repurchased | 4,900,000 us-gaap_TreasuryStockSharesAcquired | 11,000,000 us-gaap_TreasuryStockSharesAcquired | 2,300,000 us-gaap_TreasuryStockSharesAcquired |
Purchase of treasury stock | $ 177,162,000 us-gaap_TreasuryStockValueAcquiredCostMethod | $ 469,218,000 us-gaap_TreasuryStockValueAcquiredCostMethod | $ 77,946,000 us-gaap_TreasuryStockValueAcquiredCostMethod |
Authorized increase to share repurchase program |  |  |  | 500,000,000 us-gaap_StockRepurchaseProgramAuthorizedAmount1
Remaining share repurchase authorizations under share repurchase program | 203,000,000 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 |  |  |
Dividends paid per share of common stock | $ 1.52 us-gaap_CommonStockDividendsPerShareCashPaid | $ 1.44 us-gaap_CommonStockDividendsPerShareCashPaid | $ 1.24 us-gaap_CommonStockDividendsPerShareCashPaid |
Currency translation adjustments | $ (189,666,000)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | $ (29,694,000)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | $ 27,616,000 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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