Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 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
	March 31, 2022		March 31, 2021
	(In thousands)
Service cost	$	1,047	$	1,293
Interest cost	3,077		2,540
Expected return on plan assets	(4,878)		(4,627)
Amortization of prior service cost	40		111
Recognized actuarial loss	2,247		2,785
	$	1,533	$	2,102

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

	For the Three Months Ended
	March 31, 2022		March 31, 2021
	(In thousands)
Interest cost	$	22	$	19
Amortization of prior service credit	(509)		(509)
Recognized actuarial gain	(25)		(2)
	$	(512)	$	(492)