Pension Plans (Tables)

6 Months Ended

Mar. 31, 2020

Pension Plans

Components of net periodic pension cost (benefit)

The components of net periodic pension cost (benefit) are as follows (in thousands):

	Three Months Ended				Six Months Ended
	March 31,				March 31,
	2020		2019		2020		2019
Service cost	$	164	$	150	$	329	$	299
Interest cost		1,507		1,921		3,038		3,831
Expected return on plan assets		(2,946)		(3,034)		(5,892)		(6,043)
Amortization of actuarial loss		968		534		1,969		1,062
Administrative expenses		83		97		169		194
Net pension benefit	$	(224)	$	(332)	$	(387)	$	(657)