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Foreign Currency Transaction Gains and Losses (Tables) | 6 Months Ended
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Jun. 30, 2015
Currency Transaction Gains (Losses) | Currency transaction gains (losses) included in the consolidated statements of operations are as follows:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | June 30, 2015 |  |  | June 30, 2014 |  |  | June 30, 2015 |  |  | June 30, 2014 |
|  | (In thousands) |
Operating income |  | $ | 12,535 |  |  | $ | 7,722 |  |  | $ | 24,439 |  |  | $ | 15,791 |
Other non-operating (expense) income, net |  |  | (2,473 | ) |  |  | 8 |  |  |  | (3,398 | ) |  |  | (924 | )
Net transaction gains |  | $ | 10,062 |  |  | $ | 7,730 |  |  | $ | 21,041 |  |  | $ | 14,867 |

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- Definition Tabular disclosure of foreign currency transaction gains and losses. + References No definition available. + Details
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Namespace Prefix: | mat_
Data Type: | nonnum:textBlockItemType
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