Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2022

Retirement Benefits [Abstract]

Schedule of Components of Net Periodic Benefit Cost

A summary of the components of net periodic benefit cost for Mattel's defined benefit pension plans is as follows:

	For the Three Months Ended				For the Nine Months Ended
	September 30, 2022		September 30, 2021		September 30, 2022		September 30, 2021
	(In thousands)				(In thousands)
Service cost	$	980	$	1,194	$	3,046	$	3,780
Interest cost	2,996		2,525		9,112		7,595
Expected return on plan assets	(4,776)		(4,627)		(14,480)		(13,891)
Amortization of prior service cost	5		54		118		275
Recognized actuarial loss	2,133		2,832		6,724		8,401
Settlement loss	—		3,375		—		3,375
	$	1,338	$	5,353	$	4,520	$	9,535

A summary of the components of net periodic benefit cost for Mattel's postretirement benefit plans is as follows:

	For the Three Months Ended				For the Nine Months Ended
	September 30, 2022		September 30, 2021		September 30, 2022		September 30, 2021
	(In thousands)				(In thousands)
Interest cost	$	22	$	19	$	66	$	59
Amortization of prior service credit	(509)		(509)		(1,527)		(1,528)
Recognized actuarial gain	(25)		(2)		(75)		(7)
	$	(512)	$	(492)	$	(1,536)	$	(1,476)