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Other Noncurrent Assets
9 Months Ended
Sep. 30, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Noncurrent Assets Other Noncurrent Assets
Other noncurrent assets include the following: 
September 30,
2020
September 30,
2019
December 31,
2019
 (In thousands)
Identifiable intangible assets (net of accumulated amortization of $277.5 million, $238.1 million, and $248.0 million, respectively)$519,861 $552,332 $553,114 
Deferred income taxes60,850 63,551 67,900 
Mattel's amortizable intangible assets primarily consist of trademarks. Mattel tests its amortizable intangible assets for impairment whenever events or changes in circumstances indicate that the carrying value of the asset may not be recoverable. Mattel's amortizable intangible assets were not impaired during the three and nine months ended September 30, 2020 and 2019.