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Segment Assets (Detail) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2013
--- | --- | --- | ---
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Accounts receivable and inventories, net | $ 1,764,217 | $ 1,828,948 | $ 1,739,338
Operating Segments |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Accounts receivable and inventories, net | 1,672,070 | 1,745,094 | 1,613,252
Operating Segments | North America |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Accounts receivable and inventories, net | 700,968 | 723,886 | 645,334
Operating Segments | International |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Accounts receivable and inventories, net | 835,707 | 920,770 | 850,907
Operating Segments | American Girl |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Accounts receivable and inventories, net | 135,395 | 100,438 | 117,011
Corporate and Other |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Accounts receivable and inventories, net | $ 92,147 | $ 83,854 | $ 126,086

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- Definition Amount of total accounts receivable and inventories, net. + References No definition available. + Details
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Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration