Employee Benefit Plans

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Employee Benefit Plans

Employee Benefit Plans

Net periodic benefit income from the Company's pension plans included the following components:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Service cost	$	3,043	$	3,012	$	9,185	$	8,919
Interest cost	17,915		20,942		53,783		62,732
Expected return on plan assets	(38,755)		(38,550)		(116,345)		(115,483)
Amortization of prior service cost	172		173		516		519
Amortization of actuarial loss	12,465		11,130		37,430		33,340
Net periodic benefit income	$	(5,160)	$	(3,293)	$	(15,431)	$	(9,973)

Service cost is recorded in selling, administrative and other expenses in the condensed consolidated statements of income (loss) while all other components are recorded within other non-operating (income) expenses. Pension benefits also include amounts related to supplemental retirement plans.