Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2020

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 Six Months Ended
	June 30, 2020		June 30, 2019		June 30, 2020		June 30, 2019
	(In thousands)
Service cost	$	1,112	$	1,678	$	2,221	$	2,634
Interest cost	3,737		4,826		7,518		9,666
Expected return on plan assets	(4,902)		(5,434)		(9,823)		(10,878)
Amortization of prior service cost	43		16		86		32
Recognized actuarial loss	2,356		1,831		4,715		3,664
	$	2,346	$	2,917	$	4,717	$	5,118

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

	For the Three Months Ended				For the Six Months Ended
	June 30, 2020		June 30, 2019		June 30, 2020		June 30, 2019
	(In thousands)
Interest cost	$	35	$	50	$	70	$	100
Amortization of prior service credit	(509)		(509)		(1,018)		(1,018)
Recognized actuarial gain	(19)		(96)		(38)		(192)
	$	(493)	$	(555)	$	(986)	$	(1,110)