XML 51 R41.htm IDEA: XBRL DOCUMENT
v3.21.2

Foreign Currency Transaction Exposure (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
Foreign Currency [Abstract] |
Schedule of Currency Transaction Exposure | Currency transaction losses included in the consolidated statements of operations are as follows:
| For the Three Months Ended |  |
| September 30, 2021 |  | September 30, 2020 |  | Statements of Operations Classification
| (In thousands) |  |
Currency transaction losses | $ | (4,855) |  |  | $ | (2,119) |  |  | Operating income/loss
Currency transaction losses | (326) |  |  | (553) |  |  | Other non-operating income/expense, net
Currency transaction losses, net | $ | (5,181) |  |  | $ | (2,672) |  |  |
| For the Nine Months Ended |  |  |  |
| September 30, 2021 |  | September 30, 2020 |  | Statements of Operations Classification |  |  |  |
| (In thousands) |  |  |  |  |  |
Currency transaction losses | $ | (7,358) |  |  | $ | (8,037) |  |  | Operating income/loss |  |  |  |
Currency transaction losses | (5,135) |  |  | (2,988) |  |  | Other non-operating income/expense, net |  |  |  |
Currency transaction losses, net | $ | (12,493) |  |  | $ | (11,025) |  |  |  |  |  |  |

X
- Definition Tabular disclosure of foreign currency transaction gains and losses. + References No definition available. + Details
Name: | mat_ScheduleOfForeignCurrencyTransactionGainsAndLossesTableTextBlock
Namespace Prefix: | mat_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ForeignCurrencyAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration