Pensions and Other Post-retirement Benefits (Tables)

6 Months Ended

Mar. 31, 2018

Pensions and Other Post-retirement Benefits

Schedule of components of net periodic pension expense (benefit)

	Three Months Ended				Six Months Ended
	March 31,				March 31,
	2018		2017		2018		2017
	(in thousands)				(in thousands)
Interest cost	$	1,014	$	975	$	2,028	$	1,950
Expected return on plan assets		(1,386)		(1,299)		(2,772)		(2,598)
Recognized net actuarial loss		460		575		921		1,150
Net pension expense	$	88	$	251	$	177	$	502