XML 17 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8

Other Noncurrent Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Sep. 30, 2014 MEGA Brands	Apr. 30, 2014 MEGA Brands
Other Noncurrent Assets Disclosure [Line Items]
Identifiable intangible assets		$ 95.0	$ 95.0
Carrying amount of nonamortizable identifiable intangible asset prior to impairment	113
Remaining fair value of intangible asset	99
Impairment charge	$ 14

X

- Definition

The carrying amount of a nonamortizable identifiable intangible asset prior to impairment.

+ References

No definition available.

+ Details

Name:	mat_CarryingAmountOfNonamortizableIntangibleAssetPriorToImpairment
Namespace Prefix:	mat_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	mat_OtherNoncurrentAssetsDisclosureLineItems
Namespace Prefix:	mat_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The remaining fair value of an intangible asset.

+ References

No definition available.

+ Details

Name:	mat_RemainingFairValueOfIntangibleAsset
Namespace Prefix:	mat_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

+ Details

Name:	us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration