XML 36 R77.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Currency Transaction (Losses) Gains (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Currency Transaction Gains (Losses) [Line Items] |  |  |  |
Net transaction (losses) gains | $ (19,389) | $ 17,610 | $ 1,652 | $ 32,477
Operating income |  |  |  |
Currency Transaction Gains (Losses) [Line Items] |  |  |  |
Net transaction (losses) gains | (16,463) | 13,881 | 7,976 | 29,672
Non-operating income/expense |  |  |  |
Currency Transaction Gains (Losses) [Line Items] |  |  |  |
Net transaction (losses) gains | $ (2,926) | $ 3,729 | $ (6,324) | $ 2,805

X
- Definition Currency Transaction Gains (Losses) [Line Items] + References No definition available. + Details
Name: | mat_CurrencyTransactionGainsLossesLineItems
Namespace Prefix: | mat_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 + Details
Name: | us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingIncomeLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherNonoperatingIncomeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |