XML 88 R51.htm IDEA: XBRL DOCUMENT v2.4.1.9
Goodwill - Additional Information (Detail) (MEGA Brands, USD $)
In Millions, unless otherwise specified
0 Months Ended 1 Months Ended 3 Months Ended
Dec. 31, 2014
Apr. 30, 2014
Mar. 31, 2015
MEGA Brands
     
Business Acquisition [Line Items]      
Percentage of ownership acquired   100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Total cash consideration paid   $ 454.9us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Identifiable intangible assets   95.0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Net assets acquired   40.6mat_BusinessCombinationRecognizedTangibleIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Cash   31.6us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Accounts receivable   36.6us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Inventory   83.0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Property, plant, and equipment   32.5us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Accounts payable and accrued liabilities   66.6us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Long-term debt   44.6us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Other net liabilities   31.9mat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNetLiabilities
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Goodwill relating to acquisition   319.3us-gaap_GoodwillAcquiredDuringPeriod
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
 
Retrospective adjustment to net assets 1mat_BusinessAcquisitionFinalPurchasePriceAllocationAdjustmentNetAssetsAcquired
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
   
Retrospective adjustment to goodwill (1)mat_BusinessAcquisitionFinalPurchasePriceAllocationAdjustmentGoodwillAmount
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember
   
Integration costs recognized     $ 8us-gaap_BusinessCombinationIntegrationRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= mat_MegaBrandsMember