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Other Selling and Administrative Expenses | 3 Months Ended
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Mar. 31, 2018
Other Income and Expenses [Abstract] |
Other Selling and Administrative Expenses | Other Selling and Administrative Expenses Other selling and administrative expenses include the following:
| For the Three Months Ended
| March 31, 2018 |  | March 31, 2017
| (In thousands)
Design and development | $ | 52,140 |  |  | $ | 51,812 |
Identifiable intangible asset amortization | 10,198 |  |  | 4,189 |

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- Definition The entire disclosure of other selling and administrative expenses. + References No definition available. + Details
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Namespace Prefix: | mat_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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