Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 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
	March 31, 2020			March 31, 2019
	(In thousands)
Service cost	$	1,109		$	956
Interest cost	3,781			4,840
Expected return on plan assets	(4,921		)	(5,444		)
Amortization of prior service cost	43			16
Recognized actuarial loss	2,359			1,833
	$	2,371		$	2,201

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

	For the Three Months Ended
	March 31, 2020			March 31, 2019
	(In thousands)
Interest cost	$	35		$	50
Amortization of prior service credit	(509		)	(509		)
Recognized actuarial gain	(19		)	(96		)
	$	(493	)	$	(555	)