Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of Components of Net Periodic Benefit Cost

The components of net periodic benefit cost for Mattel's defined benefit pension plans were as follows:

	For the Three Months Ended				For the Six Months Ended
	June 30, 2023		June 30, 2022		June 30, 2023		June 30, 2022
	(In thousands)
Service cost	$	858	$	1,019	$	1,701	$	2,066
Interest cost	5,237		3,039		10,435		6,116
Expected return on plan assets	(5,097)		(4,826)		(10,177)		(9,704)
Amortization of prior service cost	38		73		75		113
Recognized actuarial loss	1,467		2,344		2,932		4,591
	$	2,503	$	1,649	$	4,966	$	3,182

The components of net periodic benefit cost for Mattel's postretirement benefit plans were as follows:

	For the Three Months Ended				For the Six Months Ended
	June 30, 2023		June 30, 2022		June 30, 2023		June 30, 2022
	(In thousands)
Interest cost	$	45	$	22	$	90	$	44
Amortization of prior service credit	(509)		(509)		(1,018)		(1,018)
Recognized actuarial gain	(57)		(25)		(114)		(50)
	$	(521)	$	(512)	$	(1,042)	$	(1,024)