Pension Plans (Tables)

6 Months Ended

Mar. 31, 2017

Pension Plans

Components of net periodic pension cost (benefit)

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

	Six Months Ended				Three Months Ended
	March 31,				March 31,
	2017		2016		2017		2016
Service cost	$	302	$	310	$	151	$	152
Interest cost		3,518		4,540		1,759		2,279
Expected return on plan assets		(6,400)		(6,775)		(3,201)		(3,303)
Amortization of actuarial loss		1,822		912		912		499
Administrative expenses		94		86		47		45
Net pension benefit	$	(664)	$	(927)	$	(332)	$	(328)